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Standard energy meter

SYS31 three-phase multi-function standard table

SYS31 series of three-phase multi-function standard energy meter is the latest digital electronic technology to high-precision 16-bit A / D conversion chip, DSP high-speed processors and CPLD as the core of intelligent multi-function high-precision power measurement instruments. Its main features are: 1.1 measuring range width, voltage 40V-480V, current 0.001A-100A. 1.2 measurement function, with three-phase four-line active, three-phase three-wire active, three-phase four-wire sine reactive power, three-phase three-wire sine reactive power, three-phase four-line 90o cross-phase reactive power, three-phase three- The 1.3 configuration LCD display interface, through the five buttons, respectively, shows each phase of the voltage, current, phase, frequency, active power and reactive power and other electrical parameters. 1.4 configuration RS-232 communication port, can be directly connected with the PC, PC computer to provide measurement data to provide communication protocol, can be controlled by the PC computer, the implementation of automatic measurement.

技术指标/Technical indicators

parameter name

main indicators

Input characteristics

 

Input voltage

Input range(V)

60、120、240、480

Input range (V)

40~480

Input load

≤0.5mA (480V)

Overload capability (V)

600

Input Current

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 capability (A)

150

Input frequency

Input range (Hz)

45~65

Accuracy

grade

0.02、  0.05、  0.1    (PF≥0.5)

Power measurement accuracy

Active power

0.02%、    0.05%、   0.1%      (PF≥0.5)

Reactive power

0.05%、    0.1%、    0.2%      (PF≥0.5)

Energy measurement accuracy

Active power

0.02%、    0.05%、   0.1%      (PF≥0.5)


Reactive power

0.05%、    0.1%、    0.2%      (PF≥0.5)

Display

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位

Output energy pulse

Pulse frequency

FH= CH.p/3600(Hz)    FL= FH/10000 (Hz)

Output level

 TTL 

Operating Voltage

220V±10% , 50HZ±5%

Operating temperature

5~40℃

Humidity

≤85%


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