ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Input characteristics
Voltage measuring range: 0～200V～800V, automatic cutting gear.
Current measurement range
Clamp transformers (three types): 5A / 25A (standard)
100A / 500A (optional)
400A / 2000A (optional)
Phase angle measuring range: 0 ~ 359.99°.
Frequency measurement range: 45 ~ 55Hz.
Voltage channels: three-channel (UA、UB、UC).
Current channels: three-channel (IA、IB、IC).
Maximum harmonic analysis times: 63 times.
Maximum continuous storage period in 1 minute interval: 18 months.
Accuracy
Measurement of electrical parameters section:
Voltage: ± 0.2%
Frequency: ± 0.01Hz
Current, power: ± 0.5%
Phase: ± 0.2°
Power quality section:
Fundamental voltage tolerance: ≤0.5% F.S.
Fundamental current tolerance: ≤1% F.S.
Phase between fundamental voltage and current measurement error: ≤0.2°
Percentage of harmonic voltage measurement error: ≤0.1%
Percentage of harmonic current measurement error: ≤0.2%
Three phase voltage unbalance error: ≤0.2%
Voltage deviation error: ≤0.2%
Voltage fluctuation error: ≤0.2%
Working temperature: -10℃ ~ +40℃
Charging Power: 220V AC, 45Hz-55Hz frequency
Host Power: ≤3VA
Battery maximum working time: ≤10 hours
Insulation:
The insulation resistance between the voltage, current input terminal and the housing ≤100MΩ.
Withstand 1.5KV (valid value) with power frequency on operating power input and the shell, which lasts one minute.
Size: 320mm × 240mm × 130mm
Weight: 2.0Kg
