Cleaning - Voltcraft Vc331 Bedienungsanleitung

10 Cleaning

Risk of electric shock! Disconnect the product from any input signals
and switch the power OFF before cleaning.
Important:
– Do not use aggressive cleaning agents, rubbing alcohol or other chemical
solutions. They damage the housing and can cause the product to malfunc-
tion.
– Do not immerse the product in water.
■
Clean the product with a clean, lint-free, antistatic cloth. Lightly moisten if
needed.
■
Check to make sure the clamp mating surface is clean. Trapped dirt or debris
can result in measurement errors.
54
1. Set the rotary switch to: NCV.
à
"NCV" and "EF" will appear on the dis-
play.
2. Place the sensor tip near the conductor.
à
If AC voltage is present, the tri-colour
LED will light and a beep will sound.
3. If the detected voltage increases:
à
the beeping will get faster.
à
the tri-colour LED changes from
green → yellow → red.
4. Switch the power OFF after use.