ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Input features
Voltage measuring range: 0 ~ 200V ~ 800V, automatic cutting.
Current measuring range
Clamp type transformer (three types): 5A/25A (standard)
100A/500A (optional)
400A/2000A (optional)
Phase Angle measurement range: 0~359.99°.
Frequency measurement range: 45~55Hz.
Voltage channels: three channels UA、UB、UC).
Number of current channels: three channels (IA、IB、IC).
Maximum number of harmonic analysis: 63 times
Maximum continuous storage cycle of 1 minute interval: 18 months.
Accuracy
Electrical parameter measurement：
Voltage：±0.2%
Frequency：±0.01Hz
Current and power：±0.5%
Phase：±0.2°
Power quality:
Allowable error of fundamental wave voltage ≤ 0.5% F.S.
Allowable error of fundamental current: ≤ 1% F.S.
Measurement error of phase difference between fundamental wave voltageand current: ≤0.2°
Harmonic voltage contains rate measurement error: ≤ 0.1%
Harmonic current containing rate measurement error: ≤ 0.2%
Three-phase voltage unbalance error: ≤ 0.2%
Voltage deviation error: ≤ 0.2%
Voltage variation error: ≤ 0.2%
Operating temperature: -10℃~ +40℃
Charging power supply: AC220V, frequency: 45hz-55hz
Power consumption of host: ≤3VA
Maximum battery working time: ≤10 hours
Insulation:
Insulation resistance of the voltage and current input terminals to thechassis≤100MΩ
the power frequency between the input end of the working power supply and the housing is 1.5KV (effective value), and the experiment lasts for 1 minute.
Dimension: 320mm×240mm×130mm
Weight: 2.0kg
