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มิเตอร์ไฟฟ้า LoRaWAN มิเตอร์วัดไฟ 1 เฟส ไฟฟ้ากระแสสลับทางเดียว

Specifications

Voltage 0·5% of range maximum
Current  0·5% of nominal
Frequency  0·2% of mid-frequency
Power factor 1% of unity (0.01)
Active power (W) ±1.0% of range maximum
Reactive power (VAr) ±1.0% of range maximum
Apparent power (VA) ±1.0% of range maximum
Active energy (Wh) Class 1 IEC 62053-21
Reactive energy (VARh) ±1.0% of range maximum
Total harmonic distortion 1% up to 31st harmonic
Response time to step input  1s, typical, to >99% of final reading, at 50 Hz