99.9 250 250
1. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value.Press the OUTPUT button again disconnect the output terminals.
- max.1 1000. Reading the test
voltage has suppressed zero band +/- VDC. Maximum allowed working voltage is
from range 000 depending set resistance. Maximum safe test voltage which allowed apply the output terminals.00 99.0 999.M 000 1500
100.99 000 000
20.0 299. Calibrator measures the test voltage when resistance set range from to
300.0 1000. Calibrator calculates and displays test current.0 the test voltage not measured.
During function change, output terminals are always disconnected. Switching the resistance value under test voltage is
allowed limited voltage range.
User Manual v16 15
. Sign “n/a“ is
displayed instead reading the display line. Test current value calculated according to
formula Itest Utest where set resistance value and Utest measured test voltage.00 99.
- Test current. 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)
10.9 000 000
1. Green LED goes off and the information
field the display shows the following off symbol .
Fig.0 499._________________________________________M191 Insulation Tester Calibrator
4.00 99.
Calibrator measures continuously test voltage even when output terminals are OFF.
- Applied test voltage. The internal voltmeter has one range kV.
MEATEST, s.4 HVR High resistance source mode
The calibrator basic function High resistance source mode (HVR).99 50
100. This value test voltage sourced UUT and connected the calibrator
output terminals.00 19.r.9 000 000
500.9 000 000
300.99 000 000
100.0 999. Displayed value
varies depending set main resistance value range 000 V. HVR mode
Following information are displayed the display:
- Set resistance value O.999 000 000
10.000 9.0 000 000
Tab II.999 000 000
10.0 GO. the mode any resistance value range
from 1TO can set and connected the output terminals.000 9.o. range from 300
