Chroma 19572 User Manual page 22

Ground Bond Tester 19572 User's Manual
If you press the [START] button and the current meter shows readings but the DANGER
indicator is still off, it means the indicator may be failure. Turn the instrument off and
replace it immediately, then return the malfunction device to Chroma or dealer for repair
and services.
There are four types of AC INPUT power source used in this instrument
■
Switch the voltage selector on the rear panel to the correct position according to the
voltage used locally. Ensure the AC power source is same as marked on the power switch
that located on the rear panel, and the fuse is changed to the appropriate one when plug in
the power cord. Following table lists the fuses for the voltage used:
Mark
100
120
220
240
The fuse should conform to the voltage used and replace it when the power cord is
unplugged to avoid electric shock. Use a flat screwdriver to pull open the fuse holder inside
the power socket, remove the existing fuse and insert the new one, then plug in the power
cord.
WARNING
Be sure to use correct fuse when changing it, or it may cause danger
easily.
This instrument operates in AC power source
■
If the power source is unstable in the range selected, it may cause the instrument to act
abnormally or inaccurately. Please use appropriate equipment such as power regulator to
convert it to applicable power source.
Storage
■
The normal temperature range is 0°C ~ 40°C, 80% RH. The operation may incorrect if
over the range. The storage temperature is–10ºC ~ 60°C, 90% RH. If you are not
planning to use it for a long period of time, pack it with the original box for storage. For
the sake of correct test and safety of this instrument, make sure not to store it in a place
with direct sunlight or high temperature, also away from shaky, damp and dusty area.
Warming up
■
This instrument activates at power on; however, in order to meet the accuracy specified in
the specification, please warm it up for 15 minutes or above.
3-2
Center Voltage
100V
120V
220V
240V
Range
90V ∼ 110V
110V ∼ 130V
200V ∼ 240V
220V ∼ 250V
Fuse
10A Slow/250V
10A Slow/250V
5A Slow/250V
5A Slow/250V