ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Display model: LED
Measure item: Ratio errors & Phase errors of the low-voltage PT & CT
Rated voltage: 22.5mV, 150mV, 200mV, 225mV, 1.5V, 1.625V, 2V, 3.25V, 4V, 6.25V
Multiplier: 1/3, 1/2, 1/√3, 1
Accuracy class: ±2%
Operation range: (20%-120%) Un
Frequency: 50/60Hz
Ratio error range: ±0.001% ~ ±19.99% (Two positions: 1.999%, 19.99%)
Minimum resolution: 0.001%
Phase error range: 0.1' ~ ±900' (Two positions: 90.0', 900')
Minimum resolution: 0.1'
Alarm Function: Provided the sound & light alarm function when the polarity is abnormal or the ratio is inconsistent.
Input Load:
On Standard side: ＞10MΩ, COφ = 1.0
On Test Object side: ＞10MΩ, COφ = 1.0
Communication Interface: Provided the RS232 serial communication interface
Power supply: AC 220V ±10%
Power consumption: < 20VA
