velleman LABPSHH01 Haandheld Switching Mode Lab Power Supply User Manual

velleman LABPSHH01 Haandheld Switching Mode Lab Power Supply User Manual

PRODUCT OVERVIEW

Introduction

To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized company for recycling.
This device should be returned to your distributor or to a local recycling service. Respect the local environmental rules.

If in doubt, contact your local waste disposal authorities.

Thank you for choosing Velleman! Please read the manual thoroughly before bringing this device into service. If the device was damaged in transit, do not install or use it and contact your dealer.

Safety Instructions

splashing and dripping liquids. Never put objects filled with liquids on top of or close to the device.
**| DO NOT disassemble or open the cover under any circumstances. Touching live wires can cause life- threatening electroshocks. There are no user-serviceable parts inside the device. Refer to an authorized dealer for service and/or spare parts.
**| Always disconnect mains power when device not in use or when servicing or maintenance activities are performed. Handle the power cord by the plug only.
| Keep this device away from dust and extreme temperatures.
| Protect this device from shocks and abuse. Avoid brute force when operating the device.
****| Do not use the device when damage to housing or cables is noticed. Do not attempt to service the device yourself but contact an authorised dealer.

General Guidelines

Refer to the Velleman® Service and Quality Warranty on the last pages of this manual.

• Familiarise yourself with the functions of the device before actually using it.
• All modifications of the device are forbidden for safety reasons. Damage caused by user modifications to the device is not covered by the warranty.
• Only use the device for its intended purpose. Using the device in an unauthorised way will void the warranty.
• Damage caused by disregard of certain guidelines in this manual is not covered by the warranty and the dealer will not accept responsibility for any ensuing defects or problems.
• Keep this manual for future reference.

Features

• handheld DC switching power supply
• large LCD display for voltage and current
• compact and lightweight design
• adjustable from 0.3-30 V, up to 3.75 A with maximum continuous power of 50 W
• works in constant voltage and current mode
• 2 built-in USB ports (2 x 2 A)
• short-circuit protection
• fuse-protected
• test leads not included

Quick Start

Overview

Refer to the illustrations on page 2 of this manual.

1. current setting
2. voltage setting
3. measured value
4. keypad
5. USB ports
6. DC outputs

Preparation

Connect the device to the mains to switch it on. The device will start the self-check process.

Keypad

to/from the memory bank.
V/A| Press V/A to switch between the current and voltage measurements.
**| Press the USB button to enter the USB power-charging mode. Adjust the voltage to 5.2 V and the current to 3 A. Press the OUT** button to use the device as power charger.

Press the USB button again to exit the function.

**| Press the OUT button to put the power supply in output status and read the current and voltage values on the display. Press again to exit the function.
**| Press the UP button to activate the backlight.
**| Press the DOWN button to deactivate the backlight.
**| Press the LEFT button to decrease the display contrast.
**| Press the RIGHT button to increase the display contrast.
SET| Press SET and adjust the values with the arrow keys. Press V/A** to switch between current and voltage.

Basic Operations

Voltage and Current Setting

1. Connect the device to the mains.
2. Press the OUT button to deactivate the output mode.
3. Press V/A to select the voltage or current mode.
4. Press the SET button to enter the setting mode.
5. Press or to select the digit, adjust the selected value with or .
6. Press SET to confirm your setting.

REMARK

It is possible to set the voltage or current once the outputs are valid. However, for the protection of the load, it is recommended to stop the output before voltage or current setting.

Due to the total power limit, current settings might be decreased automatically once the voltage setting is increased.

Checking the Output

Output Voltage Regulation

1. Connect the device to the mains.
2. Press V/A to switch to voltage mode.
3. Adjust to the desired value (from 1 to max. 30 V).
4. Press the OUT button to put the device in output mode.

Output Constant Current Mode

1. Connect the device to the mains.
2. Adjust the voltage to 30 V.
3. Connect the resistance (3 Ω/50 W) between the output terminals.
4. Press V/A to switch to current mode and adjust the various current values.
5. Press the OUT button to put the device in output mode and check the displayed current values.

Output Short-Circuit Protection

1. Connect the device to the mains.
2. Adjust the voltage to > 5 V and the current to > 1 A.
3. Press the OUT button to put the device in output mode.
4. Connect the output terminals

USB Charging Function

1. Connect the device to the mains.
2. Adjust the current to > 2.5 A.
3. Press V/A to switch to voltage mode.
4. Press the USB button to activate the USB output.
5. Press the OUT button to put the device in output mode.

Other Functions

Data Saving

1. Connect the device to the mains.
2. In setting mode, press the STORE/RECALL button to open the memory banks.
3. Select your memory bank with or .
4. Press SET to save the set values into the selected memory bank.

Recall Saved Data

1. In normal operating mode, press the STORE/RECALL button to open the memory banks.
2. Select your memory bank with or .
3. Press SET to load the selected memory bank.

Voltage and Current Calibration

Connect the output terminals to a 5-digit voltage meter, current meter or 3 Ω/50 W resistance.

1. Connect the output terminal to an external reference voltage or current meter.
2. Press V/A to switch to voltage or current mode.
3. Use the keys to adjust the displayed value to correspond with the reference voltage or current.
4. Press SET to confirm.

Cleaning and Maintenance

• Disconnect the device from the mains prior to maintenance activities.
• The power supply cables must not show any damage. Have a qualified technician maintain the device.
• Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.
• There are no user-serviceable parts, apart from the fuse. Contact your dealer for spare parts if necessary.
• Store the device in a dry, well-ventilated, dust-free room and keep it clean. Remove the power plug if the device is to be stored for a prolonged period of time.

Technical Specifications

• input
  voltage: 220-240 V~, 50/60 Hz
  current : 1 A

• output
  max. voltage: 0.3-30 V
  max. current: 0-3.75 A
  max. continuous power: 50 W

• line regulation (± % of output + offset)
  voltage: CV ≤ 0.01 % + 3 mV
  current: CC ≤ 0.01 % + 3 mA

• load regulation (± % of output + offset)
  voltage: CV ≤ 0.02 % + 3 mV
  current: CC ≤ 0.02 % + 3 mA

• measurement accuracy
  voltage: 10 mV
  current: 1 mA

• measured value accuracy @ 25 °C (± % of output + offset)
  voltage: ≤ 0.05 % + 5 mV
  current: ≤ 0.05 % + 5 mA

• measurement speed
  voltage: 100 ms/s
  current: 100 ms/s

• setting value accuracy @ 25 °C (± % of output + offset)
  voltage: ≤ 0.05 % + 5 mV
  current: ≤ 0.05 % + 5 mA

• ripple and noise (20 Hz-20 MHz)
  voltage: ≤ 10 mV rms/150 mV p-p
  current: ≤ 10 mV rms/150 mV p-p

• temperature coefficient @ 0-40 °C (± % of output + offset)
  voltage: ≤ 0.05 %
  current: ≤ 0.1 %
  dimensions: 185 x 88 x 38 mm
  weight: 370 g
  power cable: CEE 7/16 Euro plug type C to C7 connector
  power cable length: 1.20 m

Use this device with original accessories only. Velleman Group nv cannot be held responsible in the event of damage or injury resulting from (incorrect) use of this device. For more info concerning this product and the latest version of this manual, please visit our website www.velleman.eu. The information in this manual is subject to change without prior notice.

© COPYRIGHT NOTICE
The copyright to this manual is owned by Velleman Group nv. All worldwide rights reserved. No part of this manual may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the prior written consent of the copyright holder.

Velleman® Service and Quality Warranty

Since its foundation in 1972, Velleman® acquired extensive experience in the electronics world and currently distributes its products in over 85 countries.

All our products fulfil strict quality requirements and legal stipulations in the EU. In order to ensure the quality, our products regularly go through an extra quality check, both by an internal quality department and by specialized external organisations. If, all precautionary measures notwithstanding, problems should occur, please make appeal to our warranty (see guarantee conditions).

General Warranty Conditions Concerning Consumer Products (for EU):

• All consumer products are subject to a 24-month warranty on production flaws and defective material as from the original date of purchase.
• Velleman® can decide to replace an article with an equivalent article, or to refund the retail value totally or partially when the complaint is valid and a free repair or replacement of the article is impossible, or if the expenses are out of proportion.

You will be delivered a replacing article or a refund at the value of 100% of the purchase price in case of a flaw occurred in the first year after the date of purchase and delivery, or a replacing article at 50% of the purchase price or a refund at the value of 50% of the retail value in case of a flaw occurred in the second year after the date of purchase and delivery.

• Not covered by warranty:
  • all direct or indirect damage caused after delivery to the article (e.g. by oxidation, shocks, falls, dust, dirt, humidity…), and by the article, as well as its contents (e.g. data loss), compensation for loss of profits;
  • consumable goods, parts or accessories that are subject to an aging process during normal use, such as batteries (rechargeable, non-rechargeable, built-in or replaceable), lamps, rubber parts, drive belts… (unlimited list);
  • flaws resulting from fire, water damage, lightning, accident, natural disaster, etc.…;
  • flaws caused deliberately, negligently or resulting from improper handling, negligent maintenance, abusive use or use contrary to the manufacturer’s instructions;
  • damage caused by a commercial, professional or collective use of the article (the warranty validity will be reduced to six (6) months when the article is used professionally);
  • damage resulting from an inappropriate packing and shipping of the article;
  • all damage caused by modification, repair or alteration performed by a third party without written permission by Velleman®.
• Articles to be repaired must be delivered to your Velleman® dealer, solidly packed (preferably in the original packaging), and be completed with the original receipt of purchase and a clear flaw description.
• Hint: In order to save on cost and time, please reread the manual and check if the flaw is caused by obvious causes prior to presenting the article for repair. Note that returning a nondefective article can also involve handling costs.
• Repairs occurring after warranty expiration are subject to shipping costs.
• The above conditions are without prejudice to all commercial warranties.
  The above enumeration is subject to modification according to the article (see article’s manual).

Made in PRC
Imported by Velleman Group nv
Legen Heirweg 33, 9890 Gavere, Belguim
www.velleman.eu

References

• Velleman – Wholesaler and developer of electronics

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