ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Measurement range
Voltage: 0 ~ 200V ~ 800V, auto cutting
Current: CT: 5A/25A (standard); 100A/500A (optional); 400A/2000A (optional)
Phase angle: 0~359.99°
Frequency: 45~65Hz
Voltage channel: 3 channel (UA, UB, UC)
Current channel: 3 channel (IA, IB, IC)
Maximum harmonic analysis times: 63 times.
Maximum continuous storage period of 1 minute interval: 18 months.
Accuracy
Electrical parameter measurement section
Voltage: ±0.2%
Frequency: ±0.01Hz
Current, power: ±0.5%
Phase: ±0.2°
Power quality part
The fundamental voltage tolerance error: ≤0.5%F.S
Fundamental current tolerance error: ≤1%F.S.
Measurement error of phase difference between fundamental voltage and current: ≤0.2°
Harmonic voltage content measurement error: ≤0.1%
Harmonic current content measurement error: ≤0.2%
Three-phase voltage imbalance error: ≤0.2%
Voltage deviation error: ≤0.2%
Voltage variation error: ≤0.2%
Working temperature: -10℃~ +40 ℃
Charging power: AC 220V , 45Hz-55Hz
Host power consumption: ≤ 3VA
The maximum working time of the battery: ≤ 10 hours
Insulation:
(1) The insulation resistance of the voltage and current input terminals to the casing is ≤100MΩ.
(2)The working power input end is subjected to a power frequency of 1.5KV (effective value) between the outer casings, and it takes 1 minute to test.
Dimension: 320mm *240mm *130mm
Weight: 2kg
