Tenmars TM-291, User Manual

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3
5 Operation

Before use, the meter must be grounded. Please
choose one of the following two methods to ground the
meter:
1. The first method is connecting the meter's ground
socket with one end of the grounding wire of
accessory and connecting to the earth end of the
building with another end of the grounding wire, or
connecting to the electrical socket for earthing, or
clamping the earth end with a crocodile clip.
2. The second method is the operator wears the
anti-static wrist strap and connecting to the earth
end of the building with another end of the anti-static
wrist strap. Note that the anti-static wrist strap is not
an accessory and shall be prepared by yourself.

During the measuring for static voltage, please
fasten ceramic spacers on the fix-threads besides the
sensor. Keep the sensor from the area under test for 1
inch (2.54 cm).

Click the Power button.

Make sure the meter is grounded before operating.

Aim the sensor point to the area under test, keeping
your fingers away from the area under test as possible.

Read the value (static voltage value) on the LCD.

As completing a measurement, click the
button to lock the reading permanently to hold the
Warning
T h e m e t e r m u s t b e s e c u r e l y
g r o u n d e d d u r i n g m e a s u r i n g , a n d t h e
h o l d i n g
p o s i t i o n n o t c l o s e t o t h e
s e n s o r s o t o a v o i d t h e r i s k o f e l e c t r i c
s h o c k .