23
Figure 8. HT-PR test settings
Adjustments
High Voltage Level
This procedure controls the high voltage level used in the dielectric withstand test. It is specified
by safety agency personnel. Most safety agencies will allow a shorter test (usually 1 sec. vs. 1
min.) if the voltage is increased by 20%. The HT-PR is factory set for 1200 volts AC or 1700
DC, a voltage level used for the one second test for many types of equipment. Consult the safety
agencies for the required voltage level for the type of equipment being tested. If a different
voltage level is required, use this procedure to set it.
1.
Defeat the
Ground Check
by turning the rear panel switch to the Off position.
2.
Set the Test Time to at least 30 seconds, use the procedure
of the High Voltage Test
Time
.
3.
Connect the HT-PR to a correctly rated source of supply and turn the power switch to the
I or ON position. Push the
RESET
button. The yellow
TEST
indicator should light,
indicating that the HT-PR is ready to test.
4.
For the HT-3000PR use the AC/DC button to select the type of output voltage.
5.
Make sure there are no test leads connected to the Tester. Push the
TEST
button.
6.
After the
TEST
button is pressed, the voltage will ramp and hold. Set the
Voltage
Adjust
control on the rear panel (see figure 4) to the desired voltage.
7.
If tamperproof operation is desired, we suggest placing a calibration-style label over the
voltage adjust hole.
8.
Check the position of the
Ground Check
switch, and adjust the test time to the desired
value using the procedure
of the High Voltage Test Time
.
Figure 9. Voltage display in test mode with ground defeate
Summary of Contents for HT-2000PR
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