Testing Fluorescent Lamps - Amprobe LT-10 User Manual

• Operating time: one second ON, one second OFF for maximum five
cycles and wait for 1 minute before taking another measurement.

Testing Fluorescent Lamps

Lamp test with antenna
1. Attach the antenna to the test probe and make sure the switch is locked
and secured.
2. Pull the antenna to the desired length up to 48".
3. Touch the surface of the light bulb with the tip of the antenna.
• To boost the test signal, install the adapter plate.

Do not touch the live parts with the antenna.
4. Press and hold down the LAMP TEST button
• The fluorescent bulb is good if lit during lamp test
• The fluorescent bulb is bad if not lit during lamp test
• If the fluorescent bulb is lit during the lamp test, but does not
function when installed in the light fixture, the spiral wound
filament, the starter or the ballast may be faulty.

To avoid electric shock, do not touch ANY part of antenna
during lamp or voltage tests. Touching antenna during these tests
affects tester sensitivity.
Figure 4: Lamp test against glass
surface in light fixture with the
antenna
8