Fluke 1550C - Page 18

1550C/1555
Calibration Manual
10
The capacitance reading is obtained by pressing  after a test has started.
Table 3. Insulation Accuracy Test
UUT Display Limits
Step Voltage Range Resistance
Minimum Maximum
1 250 V 0.1 μF 0.055 0.145
2 500 V 250 kΩ 237 kΩ 263 kΩ
3 500 V 1 GΩ 0.95 GΩ 1.05 GΩ
4 500 V 100 GΩ 80 GΩ 120 GΩ
5 1 kV 1 GΩ 0.95 GΩ 1.05 GΩ
*6 2.1 kV 1 μF 0.82 1.18
7 2.5 kV 1 GΩ 0.95 GΩ 1.05 GΩ
8 5 kV 1 GΩ 0.95 GΩ 1.05 GΩ
9 5 kV 100 GΩ 95 GΩ 105 GΩ
10 5 kV 1 TΩ 0.80 TΩ 1.20 TΩ
11 5 kV 5 MΩ 4.75 MΩ 5.25 MΩ
**12 10 kV 1 GΩ 0.95 GΩ 1.05 GΩ
**13 10 KV 200 GΩ 190 GΩ 210 GΩ
**14 10 KV 2 TΩ 1.6 TΩ 2.4 TΩ
**15 10 KV 10 MΩ 9.5 MΩ 10.5 MΩ
** 1555 only
* Use “Programmable Test Voltage” mode by pushing .