HT instruments HT7052 - Manual (Page 37)

HT7052
EN - 35
DAR, PI, DD MEASUREMENT
Measurement range Resolution Accuracy
0.01  9.99 0.01 (5.0 rdg + 2 dgt)
10.0  100.0 0.1 5.0 dgt
Capacitance range for DD test: 5nF  50F
INSULATION MEASUREMENT WITH STEP VOLTAGE
Measurement range test voltage Resolution Accuracy
2000  9999V 1V (3.0 rdg + 3V)
 10kV 0.1kV 3.0 rdg
Nominal test voltage: 2000  10kV DC programmable in steps of 125V
Accuracy of test voltage: -0 / +10% + 20V
WITHSTANDING VOLATGE DC
Measurement range test voltage Resolution Accuracy
500  9999V 1V (3.0 rdg + 3V)
 10kV 0.1kV 3.0 rdg
Measurement range leakage current Resolution Accuracy
0.000  0.009mA 0.001mA (3.0 rdg + 3 dgt)
0.01  5.50mA 0.01mA 3.0 rdg
Nominal test voltage: 500  10kV DC programmable in steps of 25V
Accuracy of test voltage: -0 / +10% + 20V
AC or DC VOLTAGE
Measurement range Resolution Accuracy
0  600V 1V (3.0 rdg + 4V)
Input impedance: 3M  10%
Voltage frequency Resolution Accuracy
0 e 45.0  65.0Hz 0.1Hz 0.2Hz
Frequency within 0 and 45Hz: displayed < 45Hz
Frequency > 65Hz: displayed > 65Hz
CAPACITANCE
Measurement range Resolution Accuracy
0.0  99.9nF 0.1nF
(5.0 rdg + 2 dgt) 100  999nF 1nF
1.00  50.0F 0.01F
Full-scale value of capacitance is defined as: CFS = 10 F * Utest [kV]
10.1 SAFETY STANDARDS
Instrument safety:
IEC/EN61010-1, IEC/EN61557-2
Measuring accessory safety: IEC/EN61010-031
Insulation: double insulation
Protection: IP44 (closed case)
Polluting level: 2
Overvoltage category: CAT IV 600V (to earth), max 600V between inputs
Maximum altitude: 2000m (6561ft)