| Channel |
Single-phase |
| Measurement parameters |
Voltage U, current I, active power P, reactive power Q, apparent power S, power factor λ, phase angle Φ, voltage frequency f, electric energy Wh, electric energy time Time |
| Wiring |
Common ground short circuit between voltage/current terminals (not removable), only support Ammeter internal connection @ |
No short circuit, support four-wire method # long-distance measurement wiring |
| Input impedance |
Voltage: approx. 2MΩ
Current: approx. 4mΩ (20A), approx. 80mΩ (1A) |
| Full range peak factor |
1.6 |
| Rated voltage |
600V |
| Rated current |
1A/20A |
20A |
| Voltage precision |
6V~600V |
| Current precision |
10mA~1A/20A |
200mA~20A |
| * Voltage/current precision * |
± (0.1%× display +0.1%×range) (DC, 45Hz≤f≤1kHz) |
± (0.1%× display +0.1%×range) (45Hz≤f≤65Hz) |
| * Active power precision * |
± (0.1%× display +0.1%×range) (DC, 45Hz≤f≤1kHz) |
± (0.1%× display +0.1%×range) (45Hz≤f≤65Hz) |
| Active power range |
22mW (PF=0.01)~4.4kW (PF=1)@220V (1A/20A)
4.4W (PF=0.01)~4.4kW (PF=1)@220V (20A) |
| Active power resolution |
0.01W |
| Power factor precision |
±(0.01～1) |
±(0.1～1) |
| Power factor resolution |
0.001 |
| Frequency range |
DC，45Hz≤f≤4kHz |
45Hz≤f≤65Hz |
| Frequency precision |
± (0.1%× display) (voltage amplitude should be greater than 10% of range) |
| Electric energy range |
0～99999MWh |
| Electric energy precision |
± (0.1%× display +0.1%×range) |
| Expansion error |
Voltage, current, power, frequency, electric energy ≤0.30% |
| Electric energy counting |
H: 999 Min.: 59 Sec.: 59 |
| Electric energy counting accuracy |
± (0.05%× display) |
| Voltage/ current variable ratio |
0.1～1000.0 |
| Data update cycle |
0.25，0.5，1[s] |
| Alarm |
5 groups, voltage, current, power upper/lower limit, threshold |
| Control interface |
RS-232 (Optional RS-485), Digital (Optional) |
| Dimension |
213 (W, front molded case)×88 (H, front molded case)×386 (D, including terminal) mm |
| Opening |
210(W)×85(H) mm |
| Foot height |
15 mm |
| Machine weight |
Approx. 3kg |
| Whole power consumption |
Approx. 10VA |