Ht-instruments FULLTEST3 Manuel d'utilisateur Page 81

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FULLTEST 3
EN - 80
Insulation resistance (M)
DC test voltage
(V)
Display range
(M)
Resolution
(M)
Accuracy Overvoltage
protection
100
0.00 9.99
0.01
± (3% rdg. + 3 dgt)
CAT III 300 V
10.0 20.0
0.1
20.0 99.9
0.1
± 5% rdg.
250
0.00 9.99
0.01
± (3% rdg. + 3 dgt)
10.0 20.0
0.1
20.0 99.9
0.1
± 5% rdg.
100 250
1
500
0.00 9.99
0.01
± (3% rdg. + 3 dgt)
10.0 20.0
0.1
20.0 99.9
0.1
± 5% rdg.
100 500
1
1000
0.00 9.99
0.01
± (3% rdg. + 3 dgt)
10.0 20.0
0.1
20.0 99.9
0.1
± 5% rdg.
100 1000
1
Test voltage tolerance: (-0% +25%) of UN
Test current: > 1 mA (up to UN/1mA)
Short-circuit current: < 15 mA
Discharge: Internal resistance of 2 M (after finishing the measurement)
Detection of external voltage Yes
- UEXT lim = 10 V AC (between RISO+ and RISO- terminals
before measurement)
-
UEXT lim = 50 V AC (between RISO+ and RISO- terminals
during measurement)
- UEXT lim = 50 V AC approx. (between any RISO terminal
and GND)
- UEXT lim = -10 V DC (between RISO+ and RISO- terminals
during measurement)
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