10 TECHNICAL SPECIFICATIONS
Accuracy is calculated as [% rdg + (dgt number * resolution)] at 23 ± 5°C,< 80%RH
DC VOLTAGE
Range
10 600V
AC TRMS VOLTAGE
Range
10 600V
INSULATION RESISTANCE – INTRINSIC UNCERTAINTY (AT THE REFERENCE CONDITIONS)
Range
0.01M 0.19M (**)
0.20M 199G
0.20M 499G
0.20M 999G
0.20M 1.99T
0.20M 4.99T
0.20M 9.99T
(*) Load Capacitive < 1nF
(**) Outside range indicated by IEC/EN61557
INSULATION RESISTANCE– OPERATING UNCERTAINTY (COMPLIANCE WITH IEC/EN61557-1)
Range
0.01M 0.19M (**)
0.20M 199G
0.20M 499G
0.20M 999G
0.20M 1.99T
0.20M 4.99T
0.20M 9.99T
(*) Load Capacitive < 1nF
(**) Outside range indicated by IEC/EN61557
GENERATED VOLTAGE (*)
Test mode
FIX
ADJUSTABLE
RAMP
(*) Test voltage compliance with IEC /EN 61557-2
TEST CURRENT
Test voltage
100 5000V
(*) Automatically controlled test current.
TEST TIME
Setting range
5s – 99min 59s
Resolution
1V
Resolution
1V
Test voltage
Resolution
100V
100V
250V
500V
1000V
2500V
5000V
Test voltage
Resolution
100V
100V
250V
500V
1000V
2500V
5000V
Nominal test voltages
100V, 250V, 500V, 1kV, 2.5kV, 5kV
100 1000V, step 25V
1000 5000V, step 50V
100 1000V, step 25V
1000 5000V, step 50V
Accuracy
(2.0rdg+2 dgt)
Accuracy
(2.0rdg+2dgt)
(5rdg+3dgt) if
1%rdg
(20rdg+3dgt) if
(12rdg+3dgt) if
1% rdg
(20rdg+3dgt) if
Test current
1mA Test current 3mA (*)
Resolution
EN - 28
HT7051 - HT7051N
Protection against overloads
CAT IV 600V to earth
Protection against overloads
CAT IV 600V to earth
Accuracy (*)
(5rdg.+7dgt)
Uncertainty (*)
(12rdg+7dgt)
Test
Voltage
Rmis
5
nA
Test
Voltage
Rmis
5
nA
Accuracy
-0%, +10% + 15V
1s