Ainuo Digital Power Meter Measurement parameters：I, Q, λ, f, Time, Pint
Voltage rated range：60.00V / 300.0V / 600.0V
Current rated range：400.0mA / 4.000A / 20.00A
Active power measurement accuracy：0.01W
Frequency measurement range：45Hz≤f≤66Hz
Interface：RS232(Option RS485, GPIB)、RS232(Option RS485, GPIB)
Ainuo Digital Power Meter Tested product:
Warm-up: more than 15min after starting
Temp.: 23±5℃; Humidity: 30%~75%RH; Power supply: AC 100V~240V, 45~65Hz
Temp. coefficient: 5~18℃ or 28~40℃, error plus ± (display ×0.06%)/℃
@ (Ammeter internal connection]
The voltmeter directly measures the supply voltage, connected with the measured product and the ammeter, with ammeter resistance divider measurement error.
# [Four-wire method]
For long-distance measurement (the measuring instrument is far away from the product under test, usually more than 10 meters), in order to eliminate the voltage drop on the test line, a four-wire connection method (two voltage lines, two current lines) with voltage lines directly connected with both ends of the product can be adopted.
Technical Parameters:
| Model | AN 8721P V3E | AN 8711J V3E |
| Channel | Single- phase | |
| Measu rement 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 Am meter internal connection | No short circuit, support four-wire method # long- distance measu rement 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) (45 Hz≤f≤ 65Hz) |
| Active power range | 22mW (PF= 0.01)~ 4.4 kW (PF=1)@ 220V (1A/20A) 4.4W (PF= 0.01)~ 4.4 kW (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 moulded case) ×88 (H, front moulded case)×386 (D, including terminal) mm | |
| Opening | 210(W)×85(H) mm | |
| Foot height | 15 mm | |
| Machine weight | Approx. 3kg | |
| Whole power consump tion | Approx. 10VA | |
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