| General Specifications |
| Measuring functions |
3-pole earth ground resistance, 2-pole AC resistance of a conductor, Interference voltage |
| Intrinsic error |
Refers to the reference temperature range and is guaranteed for one year |
| Measuring rate |
2 measurements/second |
| Battery1 |
One 9 volt alkaline (LR61) |
| Battery condition |
LO-BAT is displayed if voltage drops below 6.5 V |
| Voltages |
Between jacks H/C2 and E/C1 |
250 Veff maximum (effective voltage) |
| Between jacks S/P2 and E/C1 |
250 Veff maximum |
| Climatic class |
VDE/VDI 3540 RZ (conforming to KWG as per DIN 40040, 4/87) |
| Temperature performance2 |
Working |
-10°C to +50°C (+14°F to +122°F) |
| Operating |
0°C to +35°C (+32°F to +95°F) |
| Storage |
-20°C to +60°C (+68°F to +140°F) |
| Reference |
+23°C ±2°C (+73°F ±4°F) |
| Temperature coefficient |
±0.1% of range per degree Kelvin |
| Safety |
IEC/EN 61010-1, 600 V CAT II, pollution degree 2 |
| Dimensions |
113 x 54 x 216 mm (4.5 x 2.1 x 8.5 in), including holster |
| Weight |
850 g (1.9 lb), including standard accessories, volume approximately 600 cm3 |
| Electrical Specifications |
| Maximum deviations |
E1 Influence factor |
Position |
| E1 Deviation influence |
0% |
| E2 Influence factor |
Supply voltage |
| E2 Deviation influence |
0% |
| E3 Influence factor |
Temperature E3 |
| E3 Deviation influence |
2.3% |
| E4 Influence factor |
Serial interference voltage (20 V) |
| E4 Deviation influence |
0.6% |
| E5 Influence factor |
Probe- and auxiliary probe resistance |
| E5 Deviation influence |
10% |
| Test voltage |
3.7 kV |
| Protection type |
IP 40; IEC/EN 60529 |
| Electromagnetic compatibility |
Emission |
IEC/EN 61326 Class B |
| Immunity |
IEC/EN 61326 Annex C |
| RE resistance measurement |
Measuring method |
Current-voltage measurement with improved cross-talk attenuation, no compensation of measuring lead resistance, with probe (3-pole) or without probe (2-pole), as per IEC/EN 61557-5 |
| Open circuit voltage |
23 to 24 V AC |
| Short circuit current |
> 50 mA AC |
| Measuring frequency |
128 Hz |
| Maximum permissible overload |
250 Veff |
| Measuring time |
8 seconds (average from when START is pressed) |
| Limit input |
Tester retains set value even if instrument is turned off (assuming battery power supply is sufficient) |
| Automatic changeover of resolution |
RH |
< 7 kΩ |
| Resolution |
0.01 Ω |
| RH |
< 50 kΩ |
| Resolution |
0.1 Ω |
| RH |
> 50 kΩ |
| Resolution |
1 Ω |
| Interference voltage display DC + AC |
Vmax |
30 Veff |
| Common mode rejection |
> 80 dB at 50 Hz and 60 Hz |
| Ri |
680 kΩ |
| Measuring uncertainty |
< 10% for pure AC and DC signals |
| Measuring Range |
| 0.15 Ω to 20 Ω |
Resolution |
0.01 Ω |
| Display range |
0 to 19.99 Ω |
| 200 Ω |
Resolution |
0.1 Ω |
| Display range |
20 to 199.9 Ω |
| 2 kΩ |
Resolution |
1 Ω |
| Display range |
200 to 1999 Ω |
| Intrinsic uncertainty |
±(6% of measured value + 5D) |
| Operating uncertainty IEC 615573 |
±(18% of measured value + 5D) |
