OM210 iSmartEV Oscilloscope Multimeter

iSmartEV OM210 Product Information

The iSmartEV OM210 is a new energy test equipment developed by
SmartSafe. It integrates oscilloscope and multimeter functions and
needs to be used together with detection tools such as the iSmartEV
P01. The device can measure voltage signals, analyze electronic
signal forms, and judge whether a part is good or not, and whether
the circuit is complete by simple measurement.

Composition

The iSmartEV OM210 consists of the following components:

(Less than 400ma) current input terminal 4 COM Negative common
terminal 5 V/ Voltage/Resistance and other input terminals
2| Handle|
3| Power Indicator| Red flashing indicates insufficient power; If the red light is
normally on, it indicates that charging is in progress; A constant
green light indicates that the battery is normal or fully
charged.
4| State Indicator| Green light indicates normal operation.
5| Wireless Indicator| The red flashing indicates that the wireless connection is in
progress; The green light indicates that the wireless connection is
normal.
6| Indicator| Green light indicates normal operation.
7| CH1| Oscilloscope Channel 1
8| CH2| Oscilloscope Channel 2

Product Usage Instructions

1. Ensure that the device is fully charged before use.

2. Connect the iSmartEV OM210 to the detection tool (such as
   iSmartEV P01).

3. Use the oscilloscope function to measure voltage signals and
   analyze the form of electronic signals. Observe the waveform of the
   whole signal to judge automobile electronic equipment and circuit
   failure. The oscilloscope scanning speed is far greater than the
   frequency of the automobile signals, usually 5~10 times of the
   measured signal. The automobile oscilloscope can not only capture
   circuit signals quickly but also display these waveforms at a
   slower speed, so as to observe and analyze at the same time. It can
   also store and record the tested signal waveform and observe the
   fast signal that has occurred through playback, which greatly
   facilitates fault analysis.

4. Use the multimeter function to measure voltage, current, and
   resistance. The multimeter can judge whether a part is good or not
   and whether the circuit is complete by simple measurement.

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Copyright Information
Copyright © 2021 by SHENZHEN SMARTSAFE TECH CO.,LTD. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of SMARTSAFE. Neither SMARTSAFE nor its affiliates shall be liable to the purchaser of this unit or third parties for damages, losses, costs, or expenses incurred by purchaser or third parties as a result of: Accident, misuse, or abuse of this unit, or unauthorized modifications, repairs, or alterations to this unit, or failure to strictly comply with SMARTSAFE operating and maintenance instructions. SMARTSAFE shall not be liable for any damages or problems arising from the use of any options or any consumable products other than those designated as Original SMARTSAFE Products or SMARTSAFE Approved Products by SMARTSAFE. All information, specifications and illustrations in this manual are based on the latest information available at the time of printing. SMARTSAFE reserves the right to make changes at any time without prior written or oral notice.

Trademark Information

is a registered trademark of SHENZHEN SMARTSAFE TECH CO.,LTD. in China and other countries. All other SMARTSAFE trademarks, service marks, domain names, logos, and company names referred to in this manual are either trademarks, registered trademarks, service marks, domain names, logos, company names of SMARTSAFE or are otherwise the property of SMARTSAFE or its affiliates. In countries where any of the SMARTSAFE trademarks, service marks, domain names, logos and company names are not registered, SMARTSAFE claims other rights associated with unregistered trademarks, service marks, domain names, logos, and company names. Other products or company names referred to in this manual may be trademarks of their respective owners. You may not use any trademark, service mark, domain

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name, logo, or company name of SMARTSAFE or any third party without permission from the owner of the applicable trademark, service mark, domain name, logo, or company name. You may contact SMARTSAFE by visiting the website at www.newsmartsafe.com, or writing to SHENZHEN SMARTSAFE TECH CO.,LTD., 3310, Building 11, Tianan Cloud Park, Bantian Street, Longgang District, Shenzhen, Guangdong, China, to request written permission to use Materials on this manual for purposes or for all other questions relating to this manual. To avoid personal injury, property damage, or accidental damage to the product, please read all the information in this chapter before using the product.

Safety Warning

Please read the following safety precautions carefully to avoid personal injury and damage to this product or other connected products. To avoid possible injury and danger, this product shall only be used within the specified range. Be careful when handling equipment. Do not drop, bend, puncture, insert foreign objects or place heavy objects on the device, which may damage the internal wearable components. Avoid fire or personal injury. Only authorized professional personnel shall perform maintenance. Connect and disconnect properly. Do not unplug when the probe or test end is connected to the voltage source. Before connecting the probe to to the circuit under test, please connect it to the Oscillograph Multimeter. Disconnect the probe from the circuit under test before disconnecting the probe from the test instrument. Use the correct probe. To avoid excessive current impact, use the correct rated probe for the measurement. Avoid circuit exposure. Do not touch any exposed connectors and components when the power is on. Do not operate the product when you suspect a malfunction. If you suspect

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a product malfunction, have it checked by qualified maintenance personnel. Keep ventilation. Keep your product properly ventilated. Do not operate in a humid environment. Do not operate in a flammable or explosive environment. Keep the surface of the product clean and dry. Do not disassemble or modify the equipment. The equipment is a sealed unit with no end-user serviceable parts inside. Only authorized maintenance agency or authorized technicians shall perform internal repairs. Attempting to disassemble or modify the unit will void the warranty. Do not attempt to replace the internal battery. Only authorized maintenance agency or authorized technicians shall replace the internal rechargeable batteries. Precautions for operation of automotive ECU. After the ignition switch is on, do not disconnect the vehicle’s internal electrical device at will to avoid damage to the ECU or equipment. Do not place magnetic objects close to the computer to avoid circuits and components failure in the ECU. Before performing welding work on the vehicle, disconnect the ECU system power first. When performing repair work close to computers or sensors, special care shall be taken to avoid damaging the ECU and sensors. When disassembling and installing programmable read-only memory, the operator shall wear a grounding metal band with one end wrapped around wrist and the other end clipped to the vehicle body, so as to avoid ECU circuit failure caused by static electricity. Ground the ECU harness connector reliably to avoid damage to the electronic components such as integrated circuits inside the ECU.

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Contents
1. Packing List ……………………………………………………………………………………… 1 2. Product Introduction …………………………………………………………………………. 2
2.1 Overview ……………………………………………………………………………………….. 2 2.2 Composition …………………………………………………………………………………… 3 2.3 Technical Parameters ……………………………………………………………………… 4 3. Oscilloscope Operation …………………………………………………………………….. 6 3.1 Preparation before measurement ……………………………………………………… 6
3.1.1 Start device and APP ………………………………………………………………. 6 3.1.2 Communication Setting ………………………………………………………….. 10 3.1.3 Automatic Calibration …………………………………………………………….. 10 3.1.4 Connection ……………………………………………………………………………11 3.2 How to operate ………………………………………………………………………………12 3.2.1 Select channel ……………………………………………………………………….12 3.2.2 Channel attributes and trigger setting ………………………………………. 12 3.2.3 Automatic Setting ………………………………………………………………….. 16 3.2.4 Menu Operation ……………………………………………………………………. 16 3.2.5 Car Test ………………………………………………………………………………. 19 3.2.6 Cursor Measurement …………………………………………………………….. 20 3.2.7 Quick save …………………………………………………………………………… 21 3.2.8 REF (Reference) Waveform …………………………………………………….21 4. Multimeter Operation ………………………………………………………………………..23 4.1 Preparation before measurement ……………………………………………………. 23 4.1.1 Start device and APP …………………………………………………………….. 23 4.1.2 Communication Setting ………………………………………………………….. 23 4.2 How to operate ………………………………………………………………………………24

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4.2.1 Voltage Measurement ……………………………………………………………. 24 4.2.2 Current Measurement ……………………………………………………………. 26 4.2.3 Resistance Measurement ………………………………………………………. 27 4.2.4 Diode Measurement ……………………………………………………………….28 4.2.5 On-off Measurement ……………………………………………………………… 28 4.3 Detection Examples ………………………………………………………………………. 29 4.4 Precautions ………………………………………………………………………………….. 30 5. Maintenance …………………………………………………………………………………….32 Warranty… ………………………………………………………………………………………….. 33

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1. Packing List

The following accessories are for reference only. Please consult from the local agency or check the package list supplied with this tool together.

No.

Name

Q’TY

Reference Picture

1

iSmartEV OM210

1

2

Power Adaptor

1

3

USB Cable (Type-B)

1

4 Oscilloscope Test Clip 2

5

Pin Kit

1

6

Crocodile Chuck Black

2

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Crocodile Chuck Red

2

Multimeter Test Lead Black

1

7

Multimeter Test Lead Red

1

8

User Manual

1

9

Packing List

1

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–

2. Product Introduction
2.1 Overview
iSmartEV OM210 is a new energy test equipment developed by SmartSafe, which integrates oscilloscope and multimeter functions. The tool needs to be used together with detection tool (such as iSmartEV P01).
The oscilloscope is mainly used to measure voltage signals and analyze the form of electronic signals. Automobile repair technicians can quickly judge automobile electronic equipment and circuit failure by observing the waveform of the whole signal. Oscilloscope scanning speed is far greater than the frequency of the such automobile signals, usually 5~10 times of the measured
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signal. The automobile oscilloscope can not only capture circuit signals quickly, but also display these waveforms at a slower speed, so as to observe and analyze at the same time. It can also store and record the tested signal waveform, and observe the fast signal that has occurred through playback, which greatly facilitates fault analysis.
The multimeter mainly measures voltage, current and resistance. It can judge whether the part is good or not and whether the circuit is complete by simple measurement.

2.2 Composition

No.

Name

Description

1 Fuse

*2 A

10A current input terminal

*3 mAA

Milliampere/Microampere (Less than 400ma) current input terminal

*4 COM

Negative common terminal

*5 V/

Voltage/Resistance and other input terminals

• Note: The above are related interfaces of multimeter function.

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6 Handle

7 Power Indicator

Red flashing indicates insufficient power; If the red light is normally on, it indicates that charging is in progress; A constant green light indicates that the battery is normal or fully charged.

8 State Indicator

Green light indicates normal operation.

9 Wireless Indicator

The red flashing indicates that the wireless connection is in progress; The green light indicates that the wireless connection is normal.

10 Indicator

Green light indicates normal operation.

11 CH1

Oscilloscope Channel 1

12 CH2

Oscilloscope Channel 2

1. When charging, use the power

adaptor and USB cable to charge the

Oscillograph Multimeter.

2. When transmitting data, use USB

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Communication/Charging cable to connect the Oscillograph

Jack

Multimeter and detection equipment.

Note: The detection equipment cannot

supply power to the Oscillograph Multimeter.

Please charge the Oscillograph Multimeter

before use.

14 Power Button

Press and hold this key to turn on/off.

2.3 Technical Parameters When used as oscilloscope:

Item

Specification Parameters

Number of Channels

2

Bandwidth

10MHz

Maximum Real-time

100Mbps

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Sampling Rate Time Base Range
Sampling Mode
Storage Depth Input Coupling Input Impedance Input Capacitance Vertical Sensitivity Vertical Resolution Maximum Input Voltage Probe Attenuation Coefficient Trigger Type Trigger Mode
Automatic Measurement

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1us/div10s/div, step by 1 ~ 2 ~ 5 times Common sampling, peak detection, average value
1M
DC, AC and Grounding
1M±2%
20pF (maximum)
2mV/div~5V/div 8bits
40V peak (DC + AC peak)
1X, 10X (probe support required)
Edge trigger, pulse width trigger Automatic, normal, single time Peak, AVG Value, Max Value, Min Value, Frequency, Cycle

When used as multimeter:
Item DC Voltage AC Voltage DC Current
AC Current

Specification Parameters
Automatic range, test range: ±600V
Automatic range, test range: ±600V
Automatic range, test range: ±10A (external sensors are required for large range currents)
Automatic range, test range: ±10A. Average value measurement (external sensors are required for large range currents)

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Resistor Diode On-off Detection

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Automatic range, test range: 0~6M 0~2.0V Sound when it is lower than 50

3. Oscilloscope Operation
3.1 Preparation before measurement
3.1.1 Start device and APP 1. Long press the Power button on the oscillograph multimeter to turn on the device. 2. Tap Oscilloscope in the main interface of “Toolbox” function of the detection tool (such as iSmartEV P01) to start the App.

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No.

Description

Operation Prompt

Menu

Include the following options:

Measure: provide 6 parameter measurement items.

Save: Set the save format and save path of

1

channel waveform. Show: Set the waveform display style.

Click once to expand the submenu. Click again to retract the submenu.

User Settings: Provide functions such as data

clearing, oscilloscope setting and automatic

calibration.

About: Display the specific information of the program.

Car Test

It provides various vehicle related test content Click once to expand the

2 (such as circuit, sensor, actuator, commnication submenu. Click again to retract

test, combined test) and corresponding test

the submenu.

connection methods.

3

Trigger Used to set trigger channel and trigger type.

Click once to expand the submenu to set channels and conditions. Click again to retract the submenu.

4 Horizontal Trigger Position Mark

Press and hold and drag left and right to adjust the horizontal trigger position.

5

Save
It can quickly save the measurement waveform of the currently opened channel.

To change the save path and file type, tap Menu -> Save to set.

6

Horizontal Setting Control the horizontal time base.

Click once to expand the horizontal time base option and select the appropriate time base value.

Single Trigger
7 Capture a trigger, complete the acquisition, and then stop.

8 Auto

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Click to enable the automatic range function. When the automatic range function is enabled, the oscilloscope will automatically set various parameters, including vertical scale, horizontal time base and trigger level. When the signal is connected, these parameters will change automatically, and there is no need to operate again after the signal changes. The oscilloscope will automatically recognize and make corresponding changes.

Wait/Run/Stop

Wait: All pre-triggered data has been obtained,

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and the oscilloscope is ready to receive the trigger.

Run: Indicates that the oscilloscope is running.

Stop: Stop collecting data.

Cursor Settings

Click to turn on/off the horizontal

measurement cursor switch. When it is turned

on, two reference lines named Y1 & Y2 will

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appear in the waveform display area of the screen.

Click once to enable the cursor measurement function. Click again to disable the function.

Click to turn on/off the vertical measurement

cursor switch. When it is turned on, two

reference lines named X1 & x2 will appear in the

waveform display area of the screen.

11 Connection Status Button

Click to search and connect devices, and “Connected” will be displayed after successful connection.

Channel 1 Setup Panel

12

Control the amplitude of the displayed signal. You can set the inversion, coupling mode and

When the channel is enabled,

click

/

once to

probe attenuation coefficient.

disable the channel and hide the

channel setting menu.

Channel 2 Setup Panel

Click it again to enable the

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Control the amplitude of the displayed signal. channel and expand the channel You can set the inversion, coupling mode and setting menu.

probe attenuation coefficient.

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14

REF (Reference) Channel Setting Set the reference channel.

15 Edge Trigger Level Identification 16 Channel 2 Voltage Scale

17

Channel selection button Click to select the target channel.

18 / or / Fine-tuning button

19 Horizontal Time Base

20 Measured Value Display Area

Channel 2 Mark

21

Indicate the reference point of the displayed waveform. If there is no mark, the channel is

disabled and will not be displayed.

Channel 1 Mark

22

Indicate the reference point of the displayed waveform. If there is no mark, the channel is

disabled and will not be displayed.

REF(Reference) Channel Mark

23

Indicate the reference point of the displayed waveform. If there is no mark, the channel is

disabled and will not be displayed.

iSmartEV OM210 User Manual
In the channel setting panel area, press and slide the screen up to call up the REF reference channel button, and click this button to call up the reference channel setting menu. Press and hold the icon to drag up and down to set the trigger level. Click+/- to adjust the interval value of channel 2 voltage scale. Click once to call up the channel (only the opened channels are displayed) selection pop-up window. Click again to close the window. When the horizontal cursor is turned on, the fine-tuning buttons are displayed as and . If the vertical cursor is turned on, the fine-tuning buttons are displayed as and .
It can be called up through Menu -> Measure.
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24 Waveform Display Area 25 Channel 1 Voltage Scale

Click+/- to adjust the interval value of channel 1 voltage scale.

3.1.2 Communication Setting
The main connection methods between the Oscillograph Multimeter and the detection tool are Wi-Fi communication and USB wired communication. Wi-Fi communication Click “Connect” to search for and connect the oscilloscope device. After successful connection, the detection device screen will show the connection status and the Wireless indicator on the Oscillograph Multimeter will light up in green.

USB communication When connecting the oscilloscope to the detection equipment via USB cable, the system will automatically switch to USB communication mode. At this time, the Wireless indicator on the Oscillograph Multimeter will be off.
3.1.3 Automatic Calibration The auto-calibration program optimizes the oscilloscope signal path with maximum measurement accuracy. The user can run this program at any time, but shall run it if the ambient temperature changes by 10°C or more. In order to calibrate more accurately, the oscilloscope must be powered on and warmed up for 20 minutes before auto-calibration. The calibration mainly includes the calibration of the analog channel, the trigger voltage in the trigger circuit and the horizontal baseline shift nonlinearity.
Note: During automatic calibration, please ensure that no signal is input to the input
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terminal of CH1/CH2, otherwise the instrument may be damaged.
Tap Menu -> User Settings -> Automatic calibration.

Click OK on the window below to start calibration, and the message “Calibration…Please wait.” will appear on the screen. When the automatic calibration is finished, the “Calibration Successful” pop-up box will appear on the screen. 3.1.4 Connection When testing sensor: 1. Connect the BNC connector end of the oscilloscope test clip to channel CH1/CH2 (select the channel number and quantity of channels as needed), connect the black connector of the other end to the black pin or black alligator clip, and connect the red connector to the other color pin or red alligator clip.
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2. Connect the black pin or black alligator clip to the ground wire port of the vehicle sensor, and connect the other color pin or red alligator clip connected with the red connector to the signal terminal of the vehicle sensor.

3.2 How to operate
3.2.1 Select channel The system channels are CH1 (channel 1), CH2 (channel 2) and REF (reference channel), please select channels as follows: A. Select channels with the channel button on the right side of the screen.

B. Click

to select target channel. This method is only applicable to

opened channels.

Note: Each channel and waveform is marked with a different color for better comparison

and distinction by users.

The oscilloscope can display multiple waveforms at the same time, but only one

waveform is allowed to be displayed on the top layer. The channel that is

displayed on the top layer is called the current channel, and it will be marked

with . The channel without this mark is not the current channel.

3.2.2 Channel attributes and trigger setting
1. Horizontal time base setting The horizontal time base setting allows you to set the horizontal axis unit scale time size (time base value). Click “6-horizontal setting” button to expand the time base options and select the appropriate time base value.

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If waveform capture has been stopped, the waveform can be horizontally enlarged or reduced by horizontal time base adjustment. 2. Channel setting panel The channel setting panel can be used to adjust the vertical scale and make other settings for the channel. Each channel has a separate settings panel, and each channel can be set up individually. Click the target channel to call up the channel setting panel.

Description of setting options:

Menu Option

Description/Settings

Trigger coupling is used to define which part of the signal passes

DC/AC Coupling Mode

through the trigger circuit. Channel coupling includes DC coupling and AC coupling.

DC: DC coupling. The DC component and AC component

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Inversion
Probe Type Vertical Scale Value

contained in the measured signal can pass through, and can be used to view waveforms as low as 0Hz without large DC offset.
AC: AC coupling. The DC signal of the measured signal is blocked and only the AC component is allowed to pass through, which can be used to view the waveform with large DC offset.
After the inversion switch is turned on, the voltage value of the displayed waveform is inverted. The inversion will affect the display of the channel. When the basic trigger is used, the trigger level needs to be adjusted to keep the waveform stable.
Select the attenuation coefficient of the probe. The attenuation coefficient changes the vertical scale of the oscilloscope so that the measurement result reflects the true voltage value at the probe.
Click +/- to adjust the vertical scale value (voltage value).

3. Trigger setting The trigger determines when the oscilloscope starts to acquire data and display waveforms. If the trigger setting is reasonable, it can convert unstable display or white screen into a meaningful waveform. When the oscilloscope starts to acquire the waveforms, it acquires enough data to draw the waveform to the left of the trigger point. While waiting for the trigger condition to occur, the oscilloscope continues to acquire data. After the trigger is detected, the oscilloscope continues to acquire enough data to draw the waveform to the right of the trigger point. Trigger means: set certain trigger conditions according to requirements, and when a certain waveform in the waveform stream meets this condition, the oscilloscope captures the waveform and its adjacent parts in real time and displays them on the screen. Click “3-Trigger” to access the following interface:

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This oscilloscope uses edge trigger, which is the most common and effective trigger method, and the majority of Apps use this trigger method to trigger the waveform. Edge trigger means that the trigger is identified by finding the specified edge (rising edge, falling edge) and voltage level on the waveform. When the voltage of the signal under test changes in the same direction as the setting and its value changes to the same as the trigger voltage, the oscilloscope is triggered and captures the waveform.

Menu Option Source
Trigger

Description/Settings Select the channel source of the trigger signal. Level: Set the amplitude level that the signal must cross during waveform acquisition. Rise: Triggered at the rising edge. Drop: Triggered at the dropping edge. Close: Turn off the trigger mode.
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In this trigger mode, the user can directly drag the edge trigger level icon to set the trigger level.

3.2.3 Automatic Setting
The oscilloscope has automatic setting function, which can set the oscilloscope to display waveforms in the best way automatically. Click Auto, the system automatically adjusts the horizontal and vertical calibration of the oscilloscope, the coupling, type and position of the trigger, and other settings, so as to obtain a stable waveform display.

3.2.4 Menu Operation
1. Measure The oscilloscope provides 6 types of parameter automatic measurement functions. Click to select measurement function. All selected measurement functions are displayed to the left of the Clear button. The corresponding values are displayed at the bottom of the screen.

To remove the measurement function, click again.

Menu Option

Description/Settings

Cycle

The time between the threshold intermediate values of two consecutive, homogeneous edges.

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Frequency

The reciprocal of the period.

Peak

The voltage value from the peak to the lowest point of the waveform.

Max value

The voltage value from the highest point of the waveform to GND (ground).

Min value

The voltage value from the lowest point of the waveform to GND (ground).

AVG value

The arithmetic average over the entire waveform or selected area.

The following figure explains the meaning of some measurement items, for reference only.

Click Clear to close all measurement items. 2. Save The save option is used to save the waveform of the channel. Click Save and the screen will display as below:
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First select the measurement channel, then select the measurement type WAV or CSV, then modify the name and save, and finally select to save to R1/R2. The saved files can be called by REF (reference) channel for reference and playback. 3. Show The show option is used to set the brightness of the waveform, coordinate axis display intensity, etc. The coordinate types include Full, Grid, Cross-hair and Frame.
4. User setting The user setting options can set clear data, waveform display automatic
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calibration and oscilloscope parameter save and restore, etc. Click User Settings, the screen will display as follows:

Option Description:

Menu Option

Description/Settings

Clear Data Clear the saved data and user settings.

Oscilloscope Settings

Users can use the “Save” function to save the system setting parameters. The “Restore” function allows users to call the previously saved system settings to avoid duplicate settings.

Automatic Calibration

Automatic calibration can optimize the oscilloscope signal path with maximum measurement accuracy.

5. About Information about display App and firmware version.

3.2.5 Car Test
There are buttons for various vehicle related test content (including Circuit, Sensor, Actuator, Communication test and Combined test) in the “Car test” option. After the user selects the test content as required, the oscilloscope will automatically set the corresponding parameters to achieve the purpose of rapid setting. After selecting the function, please perform the wiring test according to the prompt in the small box on the right.

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3.2.6 Cursor Measurement The “Cursor” option can be used to assist with measurements. Turn on the cursor and place the cursor on the measurement point to read out the waveform measurement value. There are horizontal cursor and vertical cursor, horizontal cursors display horizontal lines to measure vertical parameters and vertical cursors display vertical lines to measure horizontal parameters. Click cursor option / , two horizontal Y1&Y2/ vertical cursor X1&X2 measurement lines will appear in the interface, click on the relevant line and drag to move the line position. Click the “Cursor” option again, the function will be closed and the auxiliary lines will disappear.
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Note: Reading: Indicates the difference between two cursor positions.
Voltage reading after Y1, Y2: Indicates the position of the activated cursor in the horizontal cursor relative to the current channel identification point. Time reading after X1, X2: Indicates the position of the activated cursor in the vertical cursor with respect to the trigger point. 1/X: Frequency.

3.2.7 Quick save
The “Quick Save” option can quickly save the measurement waveform of the currently opened channel. The oscilloscope can save the waveform of analog channel or mathematical channel to the local, the file type can be WAV or CSV. The oscilloscope provides two reference channels, which can be called to load WAV type files to the reference channel and open the reference channel to display the reference waveform. The relevant settings can be found in “Menu”.

3.2.8 REF (Reference) Waveform
The oscilloscope provides REF channel for displaying reference waveform. Users can load the previously saved waveform file into the reference channel by calling, and compare it with the actual waveform to find out the difference.

1. If the previous waveform file is saved in R1, click the button under “R1 Reference Waveform” as shown in the figure below to call up the list of saved waveform (R2 reference waveform operation is the same as R1 reference waveform).

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2. Click the reference waveform to be viewed to display the waveform on the screen, and click the blank area of the screen to hide the reference waveform list.

Click ON/OFF button to display/hide reference waveform.
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4. Multimeter Operation

4.1 Preparation before measurement
4.1.1 Start device and APP 1. Long press the Power button on the Oscillograph Multimeter to turn on the device. 2. Tap Multimeter in the main interface of “Toolbox” function of the detection tool (such as iSmartEV P01) to start the App.

4.1.2 Communication Setting The main connection methods between the Oscillograph Multimeter and the detection tool are Wi-Fi communication and USB wired communication. Wi-Fi communication Click Not connected to search for and connect the multimeter device. After successful connection, the detection device screen will show the connection status and the Wireless indicator on the Multimeter will light up in green.
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USB communication When connecting the multimeter to the detection equipment via USB cable, the system will automatically switch to USB communication mode. At this time, the Wireless indicator on the Oscillograph Multimeter will be off.
4.2 How to operate
Prepare the required red and black multimeter test leads, and find the multimeter measurement ports on the top of the tool.
The multimeter can measure voltage, current, resistor, diode and on-off. Different measuring objects have different connection methods. 4.2.1 Voltage Measurement The connection method for measuring DC voltage is the same as that for measuring AC voltage. 1. Select “DC Voltage” or “AC Voltage” and the corresponding range.

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2. Insert one end of the black multimeter test lead into the “COM” end and one end of the red multimeter test lead into the “V/” end. 3. Connect the black and red test leads to the power supply or load under test. Keep contact stable. 4. Tap Start, the value will be displayed on the screen.
Warning: The head of the multimeter test lead is metal. During the measurement, do not touch it with hands, otherwise it will not only affect the measurement results, but also may cause electric shock.
Option Description: Numerical waveform mode: Display the measurement results in the form of numerical value and waveform.
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Numerical mode: Display the measurement results in numerical mode. Waveform mode: Display the measurement results in waveform mode.
: Open the saved waveform file. : Save the measurement results of the current screen as a waveform file. 4.2.2 Current Measurement The connection methods for measuring DC current and AC current are the same. 1. Select “DC current” or “AC current” and the corresponding range.
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2. Insert one end of the black multimeter test lead into the “COM” end. If the current is greater than 400mA, insert one end of the red multimeter test lead into the “A” end. If the current is less than 400mA, insert one end of the red multimeter test lead into “mA A” end. 3. Connect the black and red test leads to the circuit under test. Keep contact stable. 4. Tap Start, and the value will be displayed on the screen. 4.2.3 Resistance Measurement 1. Select “Resistor”.
2. Insert one end of the black multimeter test lead into the “COM” end and one
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end of the red multimeter test lead into the “V/” end. 3. Connect the black and red test leads to the metal parts at both ends of the resistance. Keep the contact between the test lead and the resistance stable. 4. Tap Start, and the value will be displayed on the screen.
Note: During the measurement, you can touch the resistance by hand, but do not touch both ends of the resistance at the same time, which will affect the measurement accuracy.

4.2.4 Diode Measurement
The multimeter can also measure light emitting diodes and rectifying diodes. The multimeter test lead position is the same as the voltage measurement. 1. Select “Diode”.

2. Insert one end of the black multimeter test lead into the “COM” end and one end of the red multimeter test lead into the “V/” end. 3. Connect the red test lead to the positive electrode of the diode and the black test lead to the negative electrode. Keep the contact between the test lead and the diode stable. 4. Tap Start, and the forward conduction voltage reading of the diode will be displayed on the screen.
4.2.5 On-off Measurement 1. Select “ON/OFF”.
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2. Insert one end of the black multimeter test lead into the “COM” end and one end of the red multimeter test lead into the “V/” end. 3. Connect the red and black test leads to the circuit under test. 4. Tap Start, the measurement results will be displayed on the screen. If the resistance of the circuit under test is 50, the buzzer will sound; If the resistance of the circuit under test is 610, 0.L will be displayed on the screen.
4.3 Detection Examples
Detection of knock sensor (1) Detection of knock sensor resistance Turn the ignition switch to the “OFF” position, disconnect the lead connector of the knock sensor, and detect the resistance between the knock sensor connecting terminal and the housing via resistance measurement, which should be (non- conductive). If it is 0 (conductive), the knock sensor must be replaced. For magnetostrictive knock sensor, the resistance measurement can also be used to detect the coil resistance. The resistance value shall meet the specified value (Refer to the maintenance manual of the corresponding model for specific data). Otherwise, the knock sensor must be replaced. (2) Inspection of knock sensor output signal Unplug the connecting plug of the knock sensor and check the voltage between
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the knock sensor connecting terminal and the grounding with the “AC voltage” measuring gear when the engine is idling. There should be pulse voltage output. If not, the knock sensor must be replaced.

Detection of cooling water temperature sensor
(1) Resistance detection of cooling water temperature sensor On-vehicle inspection: Turn the ignition switch to OFF position, remove the cooling water temperature sensor wire connector, and test the resistance value between the two terminals of the sensor via resistance measurement. The resistance value is inversely proportional to the temperature (negative temperature coefficient), and shall be less than 1K when the engine is hot. Single piece inspection: Unplug the cooling water temperature sensor wire connector, and then remove the sensor from the engine. Place the sensor in the water in the beaker, heat the water in the beaker, and measure the resistance value between the two terminals of the water temperature sensor under different water temperature conditions via resistance measurement. Compare the measured value with the standard value. If it does not meet the standard, the water temperature sensor should be replaced. (2) Output signal voltage detection of cooling water temperature sensor Install the cooling water temperature sensor and plug the wire connector of the sensor. When the ignition switch is turned to the ON position, test the sensor output voltage signal from the two terminals of the water temperature sensor wire connector. The measured voltage value shall change inversely with the cooling water temperature. When the cooling water temperature sensor harness is disconnected and the ignition switch is turned on, the voltage should be about 5V.

4.4 Precautions
1. The head of the multimeter test lead is metal. Do not touch it with hands during measurement, otherwise it will not only affect the measurement results, but also cause electric shock.

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2. Before the measurement, calibrate the measuring range and the jack inserted by the test lead, and then carry out the measurement after there is no error. 3. If the measured value cannot be estimated before measurement, the highest range shall be used for measurement first, and then the appropriate range shall be selected according to the measurement results. 4. It is strictly prohibited to switch the range when measuring high voltage or large current to prevent arcing and burning the switch contacts. To shift gears, the metal contacts must be disconnected first. 5. It is strictly prohibited to measure the resistance when the circuit under test is live to avoid damaging the instrument. 6. When measuring DC power, select appropriate gear. For different components, the current is different. You can refer to the marked parameters of components to switch gears. During measurement, it is connected to the circuit in series, and then measured one by one. The voltage of the branch can be disconnected first. In particular, it is forbidden to connect the multimeter in parallel in the circuit, which will not only damage the multimeter but also cause casualties.

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5. Maintenance

Note: To avoid damage to the oscilloscope or probe, do not expose it to mist, liquids or solvents. Cleaning Check the Oscillograph Multimeter and probe frequently in accordance with the requirements of operating conditions, clean the external surfaces of the instrument as follows. 1. Use a lint-free cloth to clean the outside of the Oscillograph Multimeter and probe from floating dust. 2. Use a soft cloth moistened with water to clean the oscilloscope.
Note: To avoid damaging the surface of the Oscillograph Multimeter or probe, do not use any corrosive reagents or chemical cleaning reagents.

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Warranty
This WARRANTY applies only to customers and dealers who have purchased SmartSafe products through normal procedures.
Within one year from the date of delivery, SmartSafe Company shall guarantee the defects of its electronic products caused by materials or processes. Damage of the equipment or components caused by abuse, unauthorized modification, use for purposes other than the design of the product, or failure to operate in the way specified in the instruction shall not be covered by this warranty.

Disclaimer The warranty mentioned above may supersede any other warranty.

Order notification
The replaceable parts and optional parts can be ordered directly from the suppliers authorized by SmartSafe. Please specify when ordering:
· Quantity ordered · Part number
· Part name
Customer Service Center
If the equipment needs to be repaired, please send the equipment to SmartSafe, together with the purchase invoice and problem description. If the equipment is within the scope of the warranty, SmartSafe offer free maintenance; If the equipment is outside the scope of the warranty, SmartSafe will charge for maintenance and return freight. Address of SmartSafe Company 3310, Building 11, Tian ‘an Yungu Industrial Park, Bantian Street, Longgang District, Shenzhen, Guangdong, China. Postcode: 518110

Statement: The Company reserves the right to change the product design and specifications without prior notice. The appearance and color of the object may be different from that shown in the instruction manual. The object shall prevail. We have tried our best to make all the descriptions in the book accurate, but there are still some inaccuracies. If you have any doubt, please contact the distributor or after-sales service center. The company will not assume any consequences caused by misunderstanding.

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References

• ADAS Calibrations, Wheel Alignment Tools, Car Diagnostic Tools, Injector Cleaning - SmartSafe 易检车服

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