ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Power supply: AC57~450V, 50~60Hz
Power consumption: About 10VA
Ambient temperature: -20℃~+40℃ (accuracy assured)
Relative humidity (not condensing): 40%-95%
Dimension (L×W×H, mm): 249×154×58
Weight: 1.8Kg
Warm-up time: < 3 minutes
Battery endurance: 4 hours
LCD color display: 5.7”, 320×240 TFT
Communication port: RS 232
Safety
Declaration of conformity: CE conformed
Operation reference
Measuring ranges
Voltage: AC 30~480V
Current:
• Direct connection: 1A, 5A
• Via clamp-on CT’s: 5A, 20A (±0.2%, self adjusted), 100A, 500A, 1000A (±0.5%)
Frequency: 45~65Hz
Phase: -180º ~ +180º
Constant of pulse:
• 5A: FL=3.6×10⁴ P/KWh, FH=3.6×10⁷ P/KWh
• Others: FL=36000×5/rated current (P/KWh), FH=3.6×10⁷×5/rated current (P/KWh)
Harmonic measurement
Range: 2nd~51st, Accuracy: ±0.01% (compared to 100% fundamental wave)
Transformation ratio deviation: < ±0.5%
Voltage deviation: < ±0.01%
Frequency deviation: < ±0.01% (45-55Hz)
Influence of temperature: < ±5ppm/℃ (typical)
Variation in 24hrs.: < ±0.02% (class 0.1)
