Linshang LS236 Coating Thickness Gauge User Guide

Linshang LS236 Coating Thickness Gauge

Product Information

Specifications

• Probe tip: Wear-proof ruby tip
• Measuring principle: Magnetic and eddy current
• Probe type: Dual-use for iron and aluminum
• Measuring range: Customizable
• Resolution: Customizable
• Accuracy: Customizable
• Unit: Customizable
• Measuring interval: 0.5 seconds
• Minimum measuring area: Customizable
• Minimum curvature: Customizable
• Minimum substrate thickness: Customizable
• Display: Dual display design
• Power supply: Customizable
• Operation temperature range: -40°C to 50°C
• Storage temperature range: -50°C to 60°C
• Gauge size: 100 x 60 x 24 mm
• Weight (with battery): 80g

Product Usage Instructions

Power On/Off

• To power on the gauge, short press the power button. The version number, serial number, and last recorded data will be displayed.
• To power off, long press the button or wait for the gauge to automatically shut down after 3 minutes of inactivity.

Device Setting

• In the off state, long press the button for 3 seconds to enter the setting interface.
• Short press the button to select settings, long press for confirmation, and follow the on-screen instructions to set the language to Chinese, English, Russian, or Turkish.

Frequently Asked Questions (FAQ)

Q: Can the gauge measure non-magnetic coatings on non-metallic substrates?

A: No, the gauge is designed to measure non-magnetic coatings on metal substrates and non-conductive coatings on non-magnetic substrates.

Q: How often should the probe tip be replaced?

A: The wear-proof ruby probe tip is designed for long-term use and may not require frequent replacement. However, it is recommended to inspect the tip regularly for any signs of wear and replace if necessary.

Q: Is calibration required before using the gauge?

A: No, calibration is not required. Simply perform zero adjustment before taking measurements.

Please read this manual carefully before using it and reserve it for reference.

 Product Introduction

The coating thickness gauge is professionally used for measuring the thickness of car paint. The car body shell material is generally metal materials such as iron, and aluminum and non-metallic materials such as carbon fiber, plastic, etc. The coating thickness gauge can measure the car paint thickness on iron and aluminum substrates. Moreover, it can identify not only non-metal car bodies but also the ferrous putty layer as well as the galvanized iron. The gauge has two displays on the front and the top separately. The two displays simultaneously display the test data. When measuring different positions of the car body, it is convenient to view the test data. Among them, the front display uses LCD, and LCD ensures that the test results are visible under strong light. The top display uses OLED, OLED ensures normal display in a low- temperature environment of -40°C. It also features a 3-color backlight display.

Standards for the product:

• DIN EN ISO 2808 Paints and Varnishes-Determination of Film Thickness
• JJG-818-2005 Verification Regulation of Magnetic and Eddy Current Measuring Instrument for Coating Thickness
• GB/T 4956-2003 Non-magnetic Coatings on Magnetic Substrates-Measurement of Coating Thickness-Magnetic Method
• GB/T 4957-2003 Non-conductive Coatings on Non-magnetic Basis Metals-Measurement of Coating Thickness-Eddy Current

Parameters

Features

1. No calibration, just zero adjustment.
2. Simple operation by pressing one button.
3. Fast measurement, 0.5s measuring interval.
4. The dual display design displays the measured value simultaneously. It is convenient to view the test data in real-time when measuring at different angles.
5. Using LCD and OLED as display devices simultaneously, LCD ensures that the test results are visible under strong light and OLED ensures normal display in a low-temperature environment of -40°C.
6. The device can identify the ferrous putty as well as the galvanized iron substrate. It also features a 3-color backlight display.
7. Wear-proof ruby probe tip for long-term use.
8. Dual-use probe for both iron and aluminum. The gauge can automatically identify the substrate and switch measurement mode rapidly.
9. Fe”, “NFe”, and “Fe/NFe” three measurement modes can be set.
10. The gauge can measure the non-magnetic coating thickness on metal substrates and the non-conductive coating thickness on non-magnetic substrates.
11. Using advanced digital probe technology, these sensors are unsusceptible to interference and provide excellent measuring accuracy. Even temperature change will not affect measurement and data remain stable to ensure a very good reproducibility over the complete measuring range.

Operation

Power on/off

Power on:

• Short press the power button to turn on the gauge. Display the version number and serial number, then the recorded data of the last measurement are displayed after the gauge is turned on.

Power off:

• Long press the button to shut down the gauge, or the gauge will automatically shut down in 3 minutes without any operation.

Device setting

• In the off state, long press the button for 3s to enter the setting interface. After entering the setting interface, if there is no operation for more than 20 s, the gauge will automatically shut down.
• Short press the button can select the settings; Long press the button for 3 seconds and less than 5 seconds to confirm the settings; long press the button for 5 seconds, and the gauge exits the setting and shuts down and the setting is invalid.

Language settings

• The instrument is available in Chinese, English, Russian, and Turkish.
• Setting method: In the main setting interface, short press the power button to select the “Language” option, long press the button for 3 seconds to confirm the selection, short press the button again to select the desired language, long press the button for 3 seconds to confirm the selection, and return to the main setting interface.

Measurement modes selection

• There are three measurement modes: Ferrous substrate measurement (Fe), Aluminum substrate measurement (Al), and Auto identification (Fe/Al). Under normal circumstances, it is enough to use Fe/Al auto identification mode.
• This model features the identification of the ferrous putty and galvanized iron substrate. When the measurement substrate is settled, you can select Fe or Al as the fixed measurement mode.
• Setting method: In the main setting interface, select the “mode” option by short-pressing the power button, and long-pressing the button for 3 seconds to confirm the selection. Shortly press the button to select the measurement mode.
• And long press the button for 3s to confirm the selection and back to the main setting interface.

Unit setting

• The device can be set to the metric or imperial unit, and the factory default is metric.
• Setting method: In the main setting interface, shortly press the button to select “Unit”.
• Long press the button for 3s to confirm and then enter the unit selection interface. Shortly press the button to select your unit and long press the button for 3s to confirm and back to the main setting interface.

Exit

• In the main setting interface, short press the power button to select “Exit”, long press the button for 3 seconds to confirm, and enter the measurement interface

Zero adjustment

• A zero adjustment is required when using the gauge for the first time, after inserting new batteries, working with different materials, or ambient temperature changes.
• We strictly recommend carrying out the reference check on the uncoated original substrate, due to the difference of magnetic and conductive properties of the material, some measurement deviation will be caused.
• If this is not possible, please use the zero reference plates supplied by Linshang technology, there are Fe plate and NFe plate, please choose correctly according to the measuring materials.
• Measuring the plate or uncoated original substrate, a measured value will be displayed on the gauge, please make sure the probe tip is placed perpendicularly and evenly on the surface.
• Hold the probe still, long press the button for 3s, and the gauge will display “zero reference place probe (as shown in the below picture).
• After hearing a buzzer sound, the gauge will display “Lift off probe at least 15 cm” (as shown in the below picture), release the button, and lift the probe away from the plate (substrate) for at least 15 cm.
• The zero adjustment is completed when there is the buzzer sound again, and the LCD screen displays 0.0.
• After the zero adjustments are completed, place the standard film on the plate (substrate), if the measurement value is stable and the deviation from the standard value is within ±3μm, the gauge can be used normally.
• Note: After the zero adjustment is completed when repeating measurements on the same spot, the reading may not always be 0μm, due to surface roughness, dirt, scratches, etc. It might cause variances.
• The operation of the gauge should be correct and proficient; otherwise, it will lead to instability of the measured values.

Measurement

1. Hold the non-slip groove with your fingers.
2. Press the probe against the tested object’s surface vertically. Keep the probe stable, do not tilt or shake. Measurement value will appear on the display with buzzer alerts.
3. To continue the measurement, you can lift the probe away from the object to be measured, and then follow step 2) again.
4. When the device identifies the ferrous putty, the interface of the device will prompt: “Ferrous putty”. When the device identifies the galvanized iron, the screen displays ‘ FeZn ‘.
5. A different color backlight according to the measured thickness:
   • White backlight: The measured paint thickness is between 30um-170um;
   • Yellow backlight: The measured paint thickness is between 170um-350um or <30um;
   • Red backlight: The measured paint thickness is >350um.

Check measurement records

• In measurement mode, short press the button to check historical data. The gauge stores 9 sets of data.
• When more than 9 sets of data are stored, the earliest recorded value is automatically deleted, and “No.1” is the last test data.
• Recorded data will not be lost after powering off.

APP Operation

• The coating thickness gauge is equipped with built-in Bluetooth communication, which can be connected to the gauge through the mobile app.

Mobile APP installation and use

1. Mobile APP installation: Scan the QR code on the cover with your cell phone’s browser or the system’s scanning function, and follow the instructions to download and install coating thickness gauge software; iPhones can be installed by searching for ” Coating Thickness Gauge” in the App Store. After installation, the icon of “Coating Thickness Gauge” will appear on the desktop of your cell phone as shown in the picture below.
2. Connect the device: Open the APP. If there is no bound Bluetooth device, then enter the Bluetooth setting interface. Click “Start Searching”, prompt “Searching for device… ” and list the available Bluetooth devices that are searched; click the “Stop Searching” button to stop searching for Bluetooth devices. Selecting the gauge serial number will bind the selected gauge (prompt: each gauge has a unique serial number).
3. After the connection is successful, it will automatically enter into the main measurement interface and a Bluetooth icon will be displayed at the bottom right of the gauge screen. If the APP has a bound Bluetooth device, automatically search and connect the bound Bluetooth device. When the connection is successful, it will automatically enter the “Measure” interface.

Precaution

1. The device must be zero adjusted respectively with the iron-base and aluminum-base zero adjustment plates. Otherwise, there may be abnormal identifications of the ferrous putty and galvanized iron substrate.
2. Some car bodies may be misjudged as iron-zinc car bodies due to the base material.
3. It is strictly forbidden to slide the probe on the surface of the car body; otherwise, both the car paint and the device will be damaged.
4. Please ensure that the paint surface of the car body is clean. Dust, dirt and other foreign objects on the surface will affect the measurement accuracy.
5. When the device displays “Low Battery”, batteries should be replaced.

Packing list

Service

1. The gauge has a one-year warranty. If the gauge works abnormally, please send the whole gauge to our company for maintenance.
2. Provide users with spare parts and lifelong maintenance services.
3. Provide the users with the gauge calibration service.
4. Free technical support for the long term.

• Manufacturer: Shenzhen Linshang Technology Co., Ltd.
• Website:www.linshangtech.com
• Service hotline: +86-755-86263411
• Email:sales21@linshangtech.com

References

• Transmission Meter | UV Light Meter | Coating Thickness Gauge - Linshang

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