99 000 000
20.9 250 250
1.000 9.0 499. range from 300.Press the OUTPUT button again disconnect the output terminals.00 99.0 1000. This value test voltage sourced UUT and connected the calibrator
output terminals.99._________________________________________M191 Insulation Tester Calibrator
4.999 000 000
10. Maximum safe test voltage which allowed apply the output terminals.0 999.4 HVR High resistance source mode
The calibrator basic function High resistance source mode (HVR).99 000 000
100. The internal voltmeter has one range kV. Reading the test
voltage has suppressed zero band +/- VDC. Test current value calculated according to
formula Itest Utest where set resistance value and Utest measured test voltage.0 299.00 19.
- max.M 000 1500
100.0 GO.
- Test current.
During function change, output terminals are always disconnected. Displayed value
varies depending set main resistance value range 000 V.000 9. 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. Switching the resistance value under test voltage is
allowed limited voltage range. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value.0 999. Sign “n/a“ is
displayed instead reading the display line. Green LED goes off and the information
field the display shows the following off symbol .
- Applied test voltage.
Fig.r.1 1000. the mode any resistance value range
from 1TO can set and connected the output terminals.0 the test voltage not measured.
User Manual v16 15
.999 000 000
10.
Calibrator measures continuously test voltage even when output terminals are OFF.9 000 000
1.00 99.99 50
100.
MEATEST, s.9 000 000
500.9 000 000
300.o. HVR mode
Following information are displayed the display:
- Set resistance value O.00 99. Calibrator calculates and displays test current.0 000 000
Tab II. Calibrator measures the test voltage when resistance set range from to
300. Maximum allowed working voltage is
from range 000 depending set resistance
