SYS31 series three-phase multi-function standard electric energy meter-Energy meter-Haiyan Xingchuang Electronics Co., Ltd

1.1 The measurement range is wide, the voltage is 40V-480V, and the current is 0.001A-100A.
1.2 Strong measurement function, with three-phase four-wire active power, three-phase three-wire active power, three-phase four-wire sinusoidal reactive power, three-phase three-wire sinusoidal reactive power, three-phase four-wire 90o cross-phase reactive power, three-phase three-wire 60o phase-shifting reactive power .
1.3 Configure the liquid crystal display interface, through five buttons, respectively display the voltage, current, phase, frequency, active power and reactive power and other electrical parameters of each phase.
1.4 Equipped with RS-232 communication port, it can be directly connected with PC computer, provide measurement data to PC computer, and provide communication protocol, which can be controlled by PC computer to implement automatic measurement.

parameter name	main indicators
Input range (V)	60, 120, 240, 480
Input range (V)	40～480
input load	≤0.5mA (480V)
Overload capacity (V)	600
Input range (A)	100, 50, 25, 10, 5, 2.5, 1, 0.5, 0.25, 0.1, 0.05, 0.025
Input range (A)	0.001—120
input load	≤0.2mΩ (100A—0.25A)≤0.3Ω (0.25A—0.01A)
Overload capacity (A)	150
Input range (Hz)	45～65
level of accuracy	Class 0.02, Class 0.05, Class 0.1 (PF≥0.5)
Active power	0.02%, 0.05%, 0.1% (PF≥0.5)
reactive power	0.05%, 0.1%, 0.2% (PF≥0.5)
Active energy	0.02%, 0.05%, 0.1% (PF≥0.5)
reactive energy	0.05%, 0.1%, 0.2% (PF≥0.5)
Display content	Three-phase four-wire (Uan, Ubn, Ucn) / three-phase three-wire (Uab Ubc Uca) Three-phase current (Ia Ib Ic) Active power (P) / Apparent power (S) / Reactive power (Q) Power factor ( Pf) / phase angle (θ) / frequency (F)
Display digits	6 bits
Pulse frequency	FH= CH.p/3600(Hz) FL= FH/10000
output level	TTL
Operating Voltage	220V±10% , 50HZ±5%
Operating temperature	5～40℃
humidity	≤85%