| Insulation resistance measurement | ||
| Test voltage (dc) | Range (dc) | 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 |
|
10000 V (1555 only) |
< 200 kΩ 200 kΩ to 200 GΩ 10 GΩ to 2 TΩ > 2 TΩ |
unspecified 5 % 20 % unspecified |
| Bar graph range | 0 to 1 TΩ | |
| Insulation test voltage accuracy | -0 %, +10 % at 1 mA load current | |
| Induced ac mains current rejection | 2 mA maximum | |
| Charging rate for capacitive load | 5 seconds per μF | |
| Discharge rate for capacitive load | 1.5 s/μF | |
| Leakage current measurement | Range: 1 nA to 2 mA | Accuracy: ± (5 % + 2 nA) |
| Capacitance measurement | Range: 0.01 uF to 15.00 μF | Accuracy: ± (15 % rdg + 0.03 μF) |
| Timer | Range: 0 to 99 minutes |
Resolution Accuracy: Setting: 1 minute Indication: 1 second |
| Live circuit warning |
Warning Range: 30 V to 660 V ac/dc, 50/60 Hz |
Voltage Accuracy: ± (15 % + 2 V) |
| General specifications | |
| Display | 75 mm x 105 mm |
| Power | 12 V lead-acid rechargeable battery, Yuasa NP2.8-12 |
| Charger Input (AC) | Charger Input (AC) 85 V to 250 V ac 50/60 HZ 20 VA |
* This Class II (double insulated) instrument is supplied with a Class 1 (grounded) power cord.
The protective earth terminal (ground pin) is not connected internally. The extra pin is for added
plug retention only.
| Dimensions | 170 mm x 242 mm x 330 mm (6.7 in x 9.5 in x 13 in) |
| Weight | 3.6 kg (7.94 lb) |
| Temperature (operating) | -20 ºC to 50 ºC (-4 ºF to 122 ºF) |
| Temperature (storage) | -20 ºC to 65 ºC (-4 ºF to 149 ºF) |
| Humidity | 80 % to 31 ºC decreasing linearly to 50 % at 50 ºC |
| Altitude | 2000 m |
| Enclosure sealing | IP40 |
| Input overload protection | 1000 V ac |
| Input overload protection | 1000 V ac |
| Electromagnetic compatibility | EN 61326 |
| Certifications |
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| Safety compliance | CAT III 1000 V, CAT IV 600 V |
| Pollution degree | 2 |


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