Test current value calculated according to
formula Itest Utest where set resistance value and Utest measured test voltage.
Fig.
- max. The internal voltmeter has one range kV.9 000 000
300.000 9.0 1000.Press the OUTPUT button again disconnect the output terminals.00 99. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value.
MEATEST, s.
- Test current.
During function change, output terminals are always disconnected. range from 300.M 000 1500
100.0 GO.00 19.9 000 000
500._________________________________________M191 Insulation Tester Calibrator
4.0 the test voltage not measured. Maximum safe test voltage which allowed apply the output terminals.
User Manual v16 15
.0 999. Reading the test
voltage has suppressed zero band +/- VDC. Calibrator calculates and displays test current. Switching the resistance value under test voltage is
allowed limited voltage range.000 9.0 499.r.1 1000. Maximum allowed working voltage is
from range 000 depending set resistance.9 000 000
1.00 99.99 000 000
100.4 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 .9 250 250
1.0 999. Displayed value
varies depending set main resistance value range 000 V.99 50
100. Sign “n/a“ is
displayed instead reading the display line.0 000 000
Tab II. HVR mode
Following information are displayed the display:
- Set resistance value O.00 99. 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.o. 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
10.999 000 000
10.0 299.99.
- Applied test voltage. This value test voltage sourced UUT and connected the calibrator
output terminals.
Calibrator measures continuously test voltage even when output terminals are OFF.99 000 000
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