0 299.99 50
100.9 000 000
500.000 9. Calibrator measures the test voltage when resistance set range from to
300.00 99.
- Test current. Displayed value
varies depending set main resistance value range 000 V. Sign “n/a“ is
displayed instead reading the display line.4 HVR High resistance source mode
The calibrator basic function High resistance source mode (HVR).r. Calibrator calculates and displays test current.99. Green LED goes off and the information
field the display shows the following off symbol .
Fig.M 000 1500
100.0 499.99 000 000
100.999 000 000
10. Maximum safe test voltage which allowed apply the output terminals. This value test voltage sourced UUT and connected the calibrator
output terminals. Switching the resistance value under test voltage is
allowed limited voltage range.
- max. 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)
10.000 9.9 250 250
1.o.9 000 000
1.00 99.0 GO. Reading the test
voltage has suppressed zero band +/- VDC. The internal voltmeter has one range kV.0 000 000
Tab II.0 1000. the mode any resistance value range
from 1TO can set and connected the output terminals._________________________________________M191 Insulation Tester Calibrator
4.
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.0 999. range from 300.999 000 000
10.99 000 000
20.0 999. HVR mode
Following information are displayed the display:
- Set resistance value O.
During function change, output terminals are always disconnected. Maximum allowed working voltage is
from range 000 depending set resistance.1 1000.Press the OUTPUT button again disconnect the output terminals.00 99.
User Manual v16 15
. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value.00 19.
- Applied test voltage.9 000 000
300.0 the test voltage not measured.
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