1550C/1555
Calibration Manual
20
Electrical Specifications
Product accuracy is specified for 1 year after calibration at operating temperatures of 0 °C
to 35 °C. For operating temperatures outside the range (-20 °C to 0 °C and 35 °C to
50 °C), add ±0.25 % per °C, except on the 20 % bands add ±1 % per °C.
Insulation
Test Voltage (DC) Insulation Resistance Range Accuracy (±reading)
250 V
<200 kΩ
200 kΩ to 5 GΩ
5 GΩ to 50 GΩ
>50 GΩ
unspecified
5 %
20 %
unspecified
500 V
<200 kΩ
200 kΩ to 10 GΩ
10 GΩ to 100 GΩ
>100 GΩ
unspecified
5 %
20 %
unspecified
1000 V
<200 kΩ
200 kΩ to 20 GΩ
20 GΩ to 200 GΩ
>200 GΩ
unspecified
5 %
20 %
unspecified
2500 V
<200 kΩ
200 kΩ to 50 GΩ
50 GΩ to 500 GΩ
>500 GΩ
unspecified
5 %
20 %
unspecified
5000 V
<200 kΩ
200 kΩ to 100 GΩ
100 GΩ to 1 TΩ
>1 TΩ
unspecified
5 %
20 %
unspecified
10,000 V
<200 kΩ
200 kΩ to 200 GΩ
200 GΩ to 2 TΩ
>2 TΩ
unspecified
5 %
20 %
unspecified
Bar graph range:
Insulation test voltage accuracy:
Induced ac mains current rejection:
Charging rate for capacitive load:
0 to 2 TΩ
-0 %, +10 % at 1 mA load current
2 mA maximum
5 seconds per μF
Discharge rate for capacitive load: 1.5 s/μF