1 1000. Calibrator calculates and displays test current. range from 300.M 000 1500
100. Test current value calculated according to
formula Itest Utest where set resistance value and Utest measured test voltage.
During function change, output terminals are always disconnected. The internal voltmeter has one range kV.9 000 000
500.Press the OUTPUT button again disconnect the output terminals.r.
User Manual v16 15
.00 99.00 19.0 499.000 9.99 000 000
20.99 000 000
100.0 the test voltage not measured._________________________________________M191 Insulation Tester Calibrator
4.00 99.9 000 000
300.o. Reading the test
voltage has suppressed zero band +/- VDC.00 99.99 50
100.0 1000. HVR mode
Following information are displayed the display:
- Set resistance value O.000 9.
- Applied test voltage. Displayed value
varies depending set main resistance value range 000 V.4 HVR High resistance source mode
The calibrator basic function High resistance source mode (HVR). 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)
10.0 GO.
Calibrator measures continuously test voltage even when output terminals are OFF.
- Test current. Switching the resistance value under test voltage is
allowed limited voltage range.0 000 000
Tab II. Green LED goes off and the information
field the display shows the following off symbol . Sign “n/a“ is
displayed instead reading the display line.99.0 999.
- max.0 299.0 999. the mode any resistance value range
from 1TO can set and connected the output terminals.
MEATEST, s. Maximum allowed working voltage is
from range 000 depending set resistance. Maximum safe test voltage which allowed apply the output terminals.999 000 000
10.
Fig.999 000 000
10.9 000 000
1. High resistance mode ranges
In HVR mode the calibrator display enables setting only the main resistance value.9 250 250
1. This value test voltage sourced UUT and connected the calibrator
output terminals. Calibrator measures the test voltage when resistance set range from to
300
