Operation Manual

Please read this manual thoroughly before use and keep it for later reference.

Three Years Warranty

Customer Service: support@venlabtools.com

Company: YH Consulting Limited
UK REP Address: C/O YH Consulting Limited Office 147, Centurion House, London Road, Staines-upon-Thames Surrey, TW18 4AX

Safety Statement

⚠️ Warning:

To avoid possible electric shock or personal injury, please strictly observe the following specifications:

• Do not use the product if there is a crack or damage in the instrument shell and the tip of the probe.
• Always first test the voltage tester on a known circuit to make sure it works!
• Take care when testing voltages above 30V AC, as there is a danger of electric shock from such voltages.
• Do not put the device in more than 1000V.
• When checking uninsulated contacts, hold the tester and make sure your fingers are behind the anti-slip guard.
• ATTENTION: Even without indication, the voltage could still be present. The voltage detector indicates the effective voltage when a supply voltage generates enough intensive electrostatic field. If the field is very weak, the voltage detector can't detect the existence of voltage.

Product Overview

• 1 Probe (NCV sensor)
• 2 Laser Pointer
• 3 Flashlight
• 4 Signal Indicator
• 5 High / Low Signal Indicator
• 6 Power Button
• 7 Sensitivity Switch (High / Low Sensitivity)
• 8 Lighting / Laser Switch
• 9 Battery Cover

Diagram Description: A pen-like device is shown with numbered components: 1. Probe (NCV sensor), 2. Laser Pointer, 3. Flashlight, 4. Signal Indicator, 5. High/Low Signal Indicator, 6. Power Button, 7. Sensitivity Switch, 8. Lighting/Laser Switch, 9. Battery Cover.

Operation

Power on/off

1. Press the power button (⏻), a beep sounds and the power indicator lights up.
2. Press the power button again and the tester will turn off. After 5 minutes of non-use, it will automatically shut down to save power.

Sensitivity switch [H/L]

1. When the tester is turned on, it is in low sensitivity mode (48~1000V).
2. Briefly press the key to enter the high sensitivity mode (12~1000V), the key will light up at this time.

AC voltage detection

1. Keep the tester's tip near the AC voltage. When a voltage is detected, a beep sounds and the signal indicator will be lit.
2. The yellow light is bright with a weak signal while the red light is bright with a strong signal. The beeping will become faster or slower with the signal intensity.

Note: Prior to each use, test on a known live circuit to verify tester functionality!

Identify null and live wire

1. Keep the individual cables as far away from each other as possible and read the signals. The neutral wire and live wire should be distinguished by the detected signal intensity.
2. The live wire causes stronger signals and the neutral causes weaker signals.

Note: It is recommended to activate the high sensitivity mode during identification.

LED flashlight / Laser [T/A]

1. Short press the key to turn on/off the flashlight (?).
2. Long press the key to turn on/off the laser pointer (▶️).

Note: After 1 minute, it will automatically turn off the flashlight or laser to save power.

Low battery indicator

1. When the battery voltage is less than 2.4V, the test pen will automatically shut down.
2. Before shutting down, the buzzer beeps three times, and the red light flashes three times. Please replace the battery immediately after this happens.

Battery replacement

1. Rotate the battery cover off the body, remove the batteries, and insert the positive terminal of the new battery toward the tip of the tester.
2. Rotate the cap to the body until it is fully seated. Before locking, do not use the tester to test the electricity to avoid electric shock.

Diagram Description: The device is shown with battery compartments labeled "+AAA-" and "+AAA-".

Technical specifications

Cleaning

Only use a soft, slightly damp cloth to clean the device, never use chemicals or abrasives, alcohol, ammonia or cleaners containing solvents to clean the tester. Make sure that the device is completely dry before use.