ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Number of measurement channels: Four voltage channels, four current channels
Measuring range:
Voltage: 0-900V
Current:
Small clamp: diameter 8mm，5A/25A(standard)
Medium clamp: diameter 50mm，100A/500A(Optional)
Large clamp: diameter 125×50mm，400A/2000A(Optional)
Phase angle: 0.000－359.999°
Frequency: 42.5－69Hz
Measuring step:
Voltage: 0.001V
Current: 0.0001A
Phase angle: 0.001°
Power: active power 0.01W、reactive power 0.01Var
Frequency: 0.0001Hz
Voltage measurement accuracy: ≤0.1%
Current measurement accuracy: ≤0.3%
Phase angle measurement accuracy: ≤0.1°
Power measurement accuracy: ≤0.5%
Frequency measurement accuracy: ≤0.01Hz
Harmonic analysis times: 2－64 times
Harmonic voltage measurement error:
Harmonic content＞1% Nominal value：≤1%RD
Harmonic content＜1% Nominal value：≤0.05%FS
Harmonic current measurement error
Harmonic content＞3% Nominal value：≤1%RD
Harmonic content＜3% Nominal value：≤0.05%FS
Three phase voltage unbalance error: ≤0.2%
Three phase current unbalance error: ≤0.5%
Voltage fluctuation accuracy: 5%
PST measurement time: 10min
PLT measurement time: 2h
PST/PLT measurement error: ≤5%
Screen: 1280×800、True color LCD
Charging Power:
AC220V±15%
Frequency 45Hz-65Hz
Standby timing: ≥10h
Host Power: ＜4VA
Insulation:
1) The insulation resistance between the voltage, current input terminal and the housing ≤100MΩ.
2) Withstand 1.5KV (valid value) with power frequency onoperating power input and the shell, which lasts oneminute.
Working temperature: -20℃～50℃
Relative humidity: 0-95% No condensation
Size: 280mm×210mm×58mm（L×W×H）
Weight: 2kg
