Inspection Before Use
Visual check of device and conductor being measured
Operation check
1
Is the sensor cracked or
damaged?
2
Is the insulation on the
cord damaged?
3
Do all the LEDs light up
for 1 second after the
device is powered on
(p. 35)?
4
Is the insulation of
the conductor being
measured damaged?
Inspection complete
34
Check Item
No
No
Yes
No
Yes
Do not use if damage is
present, and return the
device for repair. This
may cause an electric
shock.
Yes
The device is broken
and should be repaired
if the LEDs do not
No
light up or if all LEDs
continue to flash.
Do not clamp the
conductor to avoid an
Yes
electric shock.
Action