Sinuo SN8721 ເຄື່ອງໃຊ້ໄຟຟ້າ ທົດສອບເຄື່ອງວັດແທກພະລັງງານ ສຳລັບການວັດແທກພະລັງງານ (600V)

Measuring channel: Single phase

Measuring 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

Connection: No short-circuit plate, support four-wire remote measuring connection

Input impedance:

voltage:around 2MΩ

current:around 4mΩ

Full scale peak value factor: 1.6

Voltage rated measuring range: 600V

Current rated measuring range: 20A(ACDC)

Voltage precision range: 6V~600V

Current precision range: 1mA~1A/20A

Voltage/current precision: ±(0.1%×display value+0.1%×measuring range)(45Hz≤f≤65Hz)

Active power precision: ±(0.1%×display value+0.1%×measuring range)(45Hz≤f≤65Hz)

Active power measuring range:

22mW(PF=0.1)~4.4kW(PF=1)@220V(1A/20A)

0.44W(PF=0.1)~4.4kW(PF=1)@220V(20A)

Active power resolution: 0.01W

Power factor precision range: ±(0.1～1)

Power factor resolution: 0.001

Frequency measuring range: 45Hz≤f≤65Hz

Frequency measuring precision: ± (0.1%×display value) (voltage amplitude shall be over 10% of the measuring range)

Electric energy range: 0～99999MWh

Electric energy precision: ± (0.1%×display value+0.1%×measuring range)

Extension uncertainty: Voltage, current, power, frequency, electric power ≤0.30%

Electric energy time: 999H 59M 59S

Electric energy time precision: ± (0.05%×display value)

Voltage/current variation: 0.1～1000.0

Data update cycle: 0.25,0.5,1[s]

Alarm function: 5 groups, voltage, current, power upper/lower limit, threshold value setting

Control interface: RS-232 (optional RS-485), I/O (optional)

Outside dimension: 213(W, front plastic case) ×88(H, front plastic case) ×386(D, include binding post) mm

Opening dimension: 210(W)×85(H) mm

Base height: 15 mm

Weight: Around 3kg

Power consumption: Around 10VA