ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
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(AC)
Voltage precision range: 6V~600V
Current precision range: 20mA~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
