| Resistance measurement |
|
|
| Test voltage 250 V |
|
0.05 MΩ to 250 MΩ |
| Test voltage 500 V |
|
0.05 MΩ to 500 MΩ |
| Test voltage 1000 V |
|
0.05 MΩ to 1000 MΩ |
| Measuring accuracy |
|
0.05 MΩ to 1000 MΩ ± (5% + 5) |
| Open circuit voltage |
|
Test voltage ± 10 % |
| Test current |
|
0.9 mA to 1.1 mA |
| Short-circuit current |
|
< 1.8 mA |
| AC voltage measurement |
|
0 V to 440 V ± (2% + 3) @ 1 V |
| DC voltage measurement |
|
0 V to ± 440 V ± (2% + 3) @ 1 V |
| Measurement of small resistances |
|
0.01 Ω to 200 Ω ± (2% + 5) |
| Frequency measurement |
|
20 Hz to 100 Hz - for reference only |
| Test of RCDs |
|
|
| Working voltage |
|
220V ± 10 % |
| Test current |
|
10mA / 30mA / 100mA / 300mA / 500mA |
| Switch-off time ranges |
|
|
| 0 to 2000 ms ± (5% + 5) |
|
@ 1/2 x nominal value of the residual current |
| 0 to 500 ms ± (5% + 5) |
|
@ 1 x nominal value of the residual current, |
| |
|
Selective RCD |
| 0 to 300 ms ± (5% + 5) |
|
@ 1 x nominal value of the residual current |
| 0 to 40 ms ± (5% + 5) |
|
@ 5 x nominal value of the residual current |
| RCD tripping current measurement |
|
Increasing current test: 10 mA / 30 mA / |
| |
|
100 mA / 300 mA / 500 mA ± 10 % |
| RCD automatic test |
|
Yes |
| Phase sequence test |
|
100 V to 440 V / 45 Hz to 65 Hz |
| Continuity measurement of |
|
|
| protective and equalizing conductors |
|
0 Ω to 199 Ω ± (2% + 5) |
| |
|
Measuring current > 20 mA @ 0 to 2 Ω |
| Line impedance measurement (L-N) |
|
0.05 Ω to 1.99 Ω ± (5% + 5) |
| |
|
2 Ω to 19.99 Ω ± (5% + 5) |
| |
|
20 Ω to 2000 Ω ± (5% + 5) |
| |
|
Measuring current - 20 A / 20 ms |
| |
|
Measuring range of prospective short-circuit |
| |
|
current - 0 to 26 kA |
| Short circuit loop impedance |
|
|
| measurement (L-PE) |
|
0.05 Ω to 1.99 Ω ± (5% + 5) |
| |
|
2 Ω to 19.99 Ω ± (5% + 5) |
| |
|
20 Ω to 2000 Ω ± (5% + 5) |
| |
|
Measuring current - 20 A / 20 ms |
| |
|
Measuring range of prospective short-circuit |
| |
|
current - 0 to 26 kA |
| Automatic change of ranges |
|
Yes |
| RS-232 |
|
No |
| USB |
|
No |
| Operation temp |
|
0 °C to 40 °C |
| Permissible relative humidity |
|
≤ 85 % (non-condensing) |
| Power supply |
|
8 x 1.5V, type AA/LR6/FR6 battery |
| Weight |
|
1.1 kg |
| Dimensions |
|
210 x 175 x 90 mm |
| Manufacturer / Brand |
|
UNI-T |
