0 499.999 000 000
10._________________________________________M191 Insulation Tester Calibrator
4. The internal voltmeter has one range kV. range from 300.
MEATEST, s.0 999.0 000 000
Tab II.00 99.Press the OUTPUT button again disconnect the output terminals. Calibrator measures the test voltage when resistance set range from to
300.0 999.
- Test current. Maximum safe test voltage which allowed apply the output terminals.o.0 GO.1 1000.
During function change, output terminals are always disconnected.0 299. the mode any resistance value range
from 1TO can set and connected the output terminals.9 000 000
1.4 HVR High resistance source mode
The calibrator basic function High resistance source mode (HVR).r.99 000 000
20. Test current value calculated according to
formula Itest Utest where set resistance value and Utest measured test voltage.
Fig.9 000 000
500.0 1000. Sign “n/a“ is
displayed instead reading the display line.999 000 000
10.00 99.M 000 1500
100.
User Manual v16 15
.0 the test voltage not measured.
- max. Reading the test
voltage has suppressed zero band +/- VDC.000 9.
- Applied test voltage.00 99. HVR mode
Following information are displayed the display:
- Set resistance value O.00 19.9 000 000
300.99 000 000
100.000 9.99 50
100.
Calibrator measures continuously test voltage even when output terminals are OFF. Calibrator calculates and displays test current. Green LED goes off and the information
field the display shows the following off symbol .9 250 250
1. Maximum allowed working voltage is
from range 000 depending set resistance. Switching the resistance value under test voltage is
allowed limited voltage range.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. This value test voltage sourced UUT and connected the calibrator
output terminals. Displayed value
varies depending set main resistance value range 000 V. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value
