Kikusui TOS5050A, Руководство по эксплуатации

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4-8 TOS5051A/5050A
[7] HIGH VOLTAGE terminal
This terminal is for the high line of the tester output. The output voltage is delivered
between this terminal and the LOW terminal. On the TOS5051A, this terminal
serves both AC and DC test modes.
• Never touch the HIGH VOLTAGE terminal when in the TEST-ON status
(status in which the DANGER lamp lights or the “TEST” message
appears).
[8] LOW terminal
This terminal is for the low line of the tester output. This terminal is directly con-
nected to the tester chassis.
[9] DANGER lamp
This red lamp illuminates to indicate that the test voltage is being delivered. It
remains illuminated as long as the test voltage remains in the output circuit.
• When the DANGER lamp is illuminating, never touch the HIGH VOLTAGE
terminal, test leads, DUT, or other charged objects.
[10] Analog voltmeter
The VOLTAGE display (analog voltmeter) indicates directly the output terminal
voltage. On the TOS5051A, the voltmeter serves both AC and DC modes.
[11] Zero adjustment of analog voltmeter
This is the mechanical zero adjustment of the analog voltmeter. Before making a
zero adjustment, be sure that the POWER switch is OFF.
[12] CUTOFF CURRENT keys
These keys are used to increment/decrement the cutoff currents (reference currents
for pass/fail judgment). The keys are enabled when the tester is in the READY sta-
tus (“READY” is lit) and the “KEYLOCK” message is OFF. They are disabled
when in the TEST-ON status (“TEST” is lit) or when the tester is delivering the
result of PASS/FAIL judgment (when “PASS” or “FAIL” lights).
There are two cutoff currents, upper cutoff current and lower cutoff current. You can
select either cutoff current with the UP/LOW key and increment/decrement the
selected cutoff current with the
keys.
If you press either key alone, the rate of increment/decrement follows the basic res-
olution shown below. If you press it together with the SHIFT key, the rate of incre-
ment/decrement is ten times the basic resolution.
Model Measuring Range
TOS5051A 0 kV to 5 kVAC 0 kV to 5 kVDC
TOS5050A 0 kV to 5 kVAC —
WARNING
WARNING