HT instruments HT7052 - Manual (Page 36)

HT7052
EN - 34
10 TECHNICAL SPECIFICATIONS
Accuracy is given as [%rdg + (number of dgt) * resolution] at reference indicated in § 0
INSULATION RESISTANCE MEASUREMENT
Measurement range Resolution Accuracy
120k   999k 1k
(5.0rdg + 3dgt)
1.00M   9.99M 0.01M
10.0M   99.9M 0.1M
100M   999M 1M
1.00G   9.99G 0.01G 
10.0G   99.9G 0.1G
100G   999G 1G
1.00T   10.00T 0.01T (15.0 rdg + 3 dgt)
FS value of insulation resistance is defined as: RFS = 1G  * Utest [V]
Nominal test voltage: 500  10kV DC
Current capability of test generator: > 1mA
Short-circuit test current: 5mA  10%
Automatic discharge of tested object: yes
Measurement range test voltage Resolution Accuracy
0  9999V 1V (3.0 rdg + 3V)
 10kV 0.1kV 3.0 rdg
Nominal test voltage: 500  10kV DC programmable in step of 25V
Accuracy of test voltage: -0 / +10% + 20V
Output power: 10W max
Measurement range test current Resolution Accuracy
0.00  9.99nA 0.01nA
(5.0 rdg + 0.05nA)
10.0  99.9nA 0.1nA
100  999nA 1nA
1.00  9.99A 0.01A
10.0  9.99A 0.1A
100  999A 1A
1.00  5.50mA 0.01mA
Noise current rejection (resistive load)
Filter option Maximum current @ 50Hz (mA rms)
Fil0 1.5
Fil1
2.5
Fil2 4.5
Fil3 5
Diagram Test voltage – Resistance
0
2
4
6
8
10
12
0,1 1 10 100
[ M ]
[ k
V
]
Utest=10kV Utest=5kV