Features:

1) To measure: voltage, current, active power, reactive power, power factor, frequency, Kwh, 4 quadrant energy, etc. Total 28 electrical parameters;

2) 3 lines 4 digit LED to show the above value. For DW9E model, additional 1 line 8 digit to show the KWH separately;
3) Two On-Off input / output, with remote control and measure function;

4) Isolation between input and output signal;

5) True effective value measuring;

6) Two alarm output for voltage, current, power factor, active power, reactive power;

7) Transformed analog output 4-20mA  for voltage, current, active power, reactive power, frequency, power factor;

8) With RS485 communication function (Modbus RTU protocol);

9) With power down memory function for KWH / KvarH.

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Features：

1) 3 lines 4 digit LED display, easy to read;

2) To measure voltage, current, power factor, active power, reactive power, apparent power, HZ, KWH;

3) With up to 2 relay alarm output, alarm value set freely;

4) For AC signal, display true effective value;

5) With PT and CT value setting in software menu;

6) Some model with 4-20mA analog current output;

7) Some model with RS485 communication function.

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Features:
1) To measure true effective value (for AC signal);
2) To measure voltage, current, power factor, active power, reactive power, appearant power and Kwh;

3) Two relay alarm output, alarm value set freely;

4) Some model with 4-20mA analog current output;

5) Some model with RS485 communication function.   
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Features:

1) Measure each phase voltage / ampere of 3 phase electricity;

2) 3 lines 4 digit LED display, easy to read;

3) With two alarm output, easy & useful to monitor each phase;

4) Some model with 4-20mA transform current  output and RS485 communication function.

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Features:
1) For voltage input and below 1A current input, both AC and DC signal can be input to one meter;

2) Multi range in one meter, with high cost effective;

3) For 5A current input model, with CT setting menu, meter can measure current up to 9999A.

4) Accuracy:0.5%FS, for AC signal meter displays true effective value; 
5) With 2 relay alarm output, alarm value set freely;

6) Some model with DC4-20mA analog output;
7) Some model with RS485 communication function.
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Features:  
1) 8-bit micro processor, 5 digit LED display, range up to 19999, sampling rate 2.5 times / second, high accuracy;  
2) Optional model for measuring different signal, such as AC/DC voltage and current;

3) With software menu to set High and Low alarm output value, and CT value for current input above 5A;  

4) Some models with thumb switch setting, 3 relay alarm output, 4-20mA analog output and RS485 communication function. For 4-20mA output, the zero and full point can be set freely,
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Features:
1) Default power supply 220/110V;

2) Sampling rate: 2.5times/s; 

3) Zero point adjustable;

4) Wide display range: +/- 1999;

5) Some model with 4-20mA analog output function;     
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Features:

1) Sampling rate: 2.5 tims/s;

2) Dimension: 48Hx96Wx50L mm;

3) Display range: +/-1999;

4) With external zero point and span adjustor on the front panel.

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Features：
1) Default power supply 220/110V, 12-30VAC/DC should be special ordered;
2) High accuracy & good performance;

3) Sampling rate: 2.5 times/S;

4) Display range: +/-1999. 
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