99 000 000
20.1 1000.4 HVR High resistance source mode
The calibrator basic function High resistance source mode (HVR). Green LED goes off and the information
field the display shows the following off symbol .00 99.
During function change, output terminals are always disconnected.00 19. Displayed value
varies depending set main resistance value range 000 V._________________________________________M191 Insulation Tester Calibrator
4.0 1000. HVR mode
Following information are displayed the display:
- Set resistance value O.99 000 000
100.0 GO.9 000 000
500.00 99. The resistance partial ranges, absolute voltage limits and maximum applicable
test voltage when the resistance switched over are shown the table:
Resistance range (fi) Vmax Absolute test voltage
(V)
Vo Maximum test voltage for
overswitching (V)
10.999 000 000
10.
- max. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value.r. Maximum allowed working voltage is
from range 000 depending set resistance.
Fig. Calibrator calculates and displays test current.9 000 000
300.
User Manual v16 15
.0 999.0 the test voltage not measured.
- Applied test voltage. Reading the test
voltage has suppressed zero band +/- VDC. This value test voltage sourced UUT and connected the calibrator
output terminals. Maximum safe test voltage which allowed apply the output terminals.
Calibrator measures continuously test voltage even when output terminals are OFF. Test current value calculated according to
formula Itest Utest where set resistance value and Utest measured test voltage.9 250 250
1. Calibrator measures the test voltage when resistance set range from to
300. the mode any resistance value range
from 1TO can set and connected the output terminals. The internal voltmeter has one range kV.0 299. Sign “n/a“ is
displayed instead reading the display line.99 50
100.000 9.
MEATEST, s. range from 300.0 999.M 000 1500
100.9 000 000
1.o.0 000 000
Tab II.
- Test current.999 000 000
10.00 99.Press the OUTPUT button again disconnect the output terminals.0 499.99.000 9. Switching the resistance value under test voltage is
allowed limited voltage range
