6
DO340-1
TA466 Two-pole Voltage Detector
Copyright © 2020 Pico Technology Ltd. All rights reserved.
User’s Guide
3.8. Continuity check
Perform this operation in power-off mode.
Place the two test probes at the terminals of the item you want to check and press the test button .
A continuity resistance of less than 100 Ω is indicated by:
• A red backlight on the display.
• A rapidly pulsating audible signal.
A continuity resistance of more than 100 Ω will cause the voltage detector to show no indication.
3.9. Pocket lamp function
Press the test button.
3.10.
Battery replacement
Make sure that the device is disconnected from all voltage sources.
The battery must be replaced when the correct operation check (self-test) fails.
1.
Use a Pozidriv screwdriver to undo the three screws on the bottom cover.
2.
Remove the bottom cover.
3.
Insert two AAA batteries (LR03: 1.5 V), make sure you observe the polarity indicated on the
battery holder.
4.
Replace the bottom cover. Take care to reposition the joint before you tighten the three screws.
5.
Secure with an adequate torque (about 0.75 Nm).
Note 1: Remove the batteries if the voltage detector will be unused for a longer period of time.
Note 2: The batteries have an expiration date indicated on the body. Replace them before they
expire.
