20
TOS7200
Precautions on Testing
Precautions for pausing tests
When changing test conditions, press the STOP switch once to take precautions. If you are
not going to resume the test soon or if you are leaving the Test area, be sure to turn-OFF
the POWER switch.
Items charged up to dangerous high voltages
Matters to be sure of after turning-off power
If you have to touch the DUT, test leadwires, HIGH terminal, and/or LOW terminal for re-
connections or other reasons, be sure of the following matter.
The DANGER lamp has gone out.
Warnings for remote control
Be extremely careful when operating the Tester in the remote control mode in which the
dangerous high test voltage is ON/OFF-controlled remotely. Provide protective means as
follows:
•
Provide means to assure that the test setup does not become the test voltage is being
delivered by inadvertent operation.
•
Provide means to assure that none can touch the DUT, test leadwires, HIGH terminal, and
LOW terminal when the test voltage is being delivered.
MEMORY
VOLTAGE
RESISTANCE
TIMER
MEMORY
VOLTAGE
RESISTANCE
TIMER
OUTPUT
POWER
switch
STOP
switch
WARNING
• Possible electric shock. Never touch a test leadwire, the DUT, the HIGH terminal, or the
LOW terminal during a test.
• The vinyl sheaths of the alligator clips of the test leadwires which are supplied
accompanying the Tester have no sufficient insulation for the high test voltages.
Never touch them when in test.
Alligator clip
Never touch this part.
