Vitrek V4 – Electrical Safety Tester USER MANUAL
8
3. PRECAUTIONS BEFORE OPERATION
3-1. Unpacking the Instrument
The product has been fully inspected and tested before shipping from the factory. Upon receiving the
instrument, please unpack and inspect it for any damage that may have occurred during transportation. If
any sign of damage is found, notify the carrier and Vitrek or your distributor immediately.
3-2. Safety Notice
Work Place Safety
The work place must be isolated from routine traffic and when high voltage testing is in process, a
warning signal should be provided.
Checking the Line Voltage
The instrument can be connected to any kind of line voltage shown in the table below. Before connecting
the power plug to an AC line outlet, make sure the voltage selector on the rear panel is set to the correct
position corresponding to the line voltage. CAUTION: Damage to the instrument may occur if it is
connected to the wrong AC line voltage.
WARNING. To avoid electrical shock the power cord protective grounding conductor must be
connected to ground.
When line voltage is changed, install the required fuses shown as below:
Line voltage
Range
Fuse
Line voltage Range
Fuse
100V
120V
90-110V
108-132V
T 7.0A
250V
220V
230V
198-242V
207-250V
T 7.0A
250V
WARNING. To avoid personal injury, disconnect the power cord before removing the fuse holder.
Operator’s Precaution
(1) Because of the extreme high output voltage and current of the breakdown tester, only a qualified person
should operate the tester in order to avoid fatal electric shock.
(2) On-the-job training is required for the operator to use the tester efficiently and safely.
(3) The operator should be prohibited from wearing metal jewelry, etc in order to avoid an electrical shock.
(4) A person with a heart condition or who wears a pacemaker must not operate the tester.
Safe, Secure Testing
The earth ground contact of the power cord must be properly connected in accordance with instructions.
The return lead must be connected to the tested object first before high voltage testing. Do not handle the
alligator test leads while high voltage is applied. Also, when using the optional HV probe do not touch the
exposed conductive tip of the test probe during testing. Provide full control the power supplied to the
tester by means of a carefully placed on/off switch or remote power control device.
WARNING: During testing, do not touch the test object or any other connected objects.
3-3.Environment
The normal ambient temperature range of this instrument is from 0° to 40°C (32° to 104°F). Operation of
the instrument above this specific temperature range may cause damage to the circuits.
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