Lamp test with the probe
1. Touch the surface of the light bulb or the lamp socket with the probe.
Do not touch energized parts with the probe.
Do not touch the lamp socket during test. This could lead to faulty
test results and cause electric shock.
2. 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.
Do not touch the live parts with the probe.
Figure 5: Lamp test
against socket with
the probe
Using Sodium Lamp Antenna (LT-10-EUR only)
Install the sodium lamp test antenna onto the Lamp Tester and make sure
the switch is locked and secured. Verify lamp test function on a known lamp
and/or on the identical lamp model both before and after use to ensure the
instrument is in good working condition.
Note: The level of lamp response/illumination from one lamp type to
another or from one brand to another may vary.
Do not touch the live parts with the lamp test probe. Keep the fingers
behind the hand guard while TEST button is pressed.
Sodium lamp antenna tests:
• Low pressure sodium vapor bulbs
• High prossure sodium vapor bulbs
• Neon bulbs
• Mercury vapor bulbs
• Halogen metal vapor bulbs
9
Figure 6: Lamp test
against glass surface
with the probe