ELECTRICAL SAFETY TESTER
USER MANUAL
17
Output voltage or current for each step
A C : Output voltage (0.100~ 5.000 kV)
D C : Output voltage (0.100~ 6.000 kV)
I R : Output voltage (50V/100V/500V/1000V)
G B : Output current (3.00~42.00A)
Output
Voltage/Current
C N T : Output current (100mA)
The status of tester includes:
M E N U : Browse and check steps of test.
E D I T : Edit parameters
S A V E : Save parameters
ERROR : The setting parameters are incorrect whilst saving.
U T I L : Browse and check system utility.
R E A D Y: Ready for test
TEST: Testing
P A S S : The result of test is pass
F A I L : The result of test is fail
S T O P : Stop the test
R M T : Tester is under remote operation with a PC
Status
E r r : Tester receives an incorrect command from a PC
ARC
If the ARC function is enable, the sign “＊” means that there
is ARC during test.
Lower and upper limit of measurement
I m a x / I m i n : Current measurement limit (ACW & DCW)
Measurement
Limit
R m a x / R m i n : Resistance measurement limit(IR&GB&CNT)
Ramp time and test time
A C : Ramp (000.0~999.9s)
Test (000.5~999.9s)
D C : Ramp (000.0~999.9s)
Test (000.5~999.9s)
I R : Test (001.0~999.9s)
G B : Test (000.5~999.9s)
Ramp/Test
Time
C N T : Test (000.5~999.9s)
time
voltage
ramp
test
time
ELECTRICAL SAFETY TESTER
USER MANUAL
18
CHANNEL
Hi: 00
Lo: 00
Set the Scanner Box to output and return function
through the setting of Hi and Lo. If the setting is
Hi=01 and Lo=02, that means the high voltage is
output from CH1 and return from CH2. If Hi and Lo
are set to 00, that means no signal is sent to Scanner
Box.
＊ When the measured load becomes capacitive, the test time must be
extended.
＊ Ramp Time
Ramp Time setting provides a fast and safe way to detect short circuit
or faulty wiring of your Device Under Test.
GPT/GPI-700A monitors the voltage level during the first stage of
Ramp Time to find out short condition. If the voltage still remains
less than 50V after 0.1s, GPT/GPI-700A cuts off the output and
displays the message “Short”. Therefore the short current will be shut
off before it grows beyond Imax, the current limit setting.
When checking GPT/GPI-700A current accuracy, if the DUT has less
than 2Mohm input impedance, turn off the Ramp Time setting.
GPT/GPI-700A may shut down the voltage taking the low impedance
as a sign of short circuit.
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