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ZM-H Series Digital Power Factor Meter

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Product Description

  • brief introduction
  • technical parameter
  • Product size

Performance characteristics

1.High precision measurement of three- phase power factor .

2. To provide a nixie tube or liquid crystal display, local data query.

3. Current and voltage gain programmable settings.

4.?Support for RS- 485 communication, Modbus-RTU protocol.

5. Support for switching input, output, analog quantity transmitting output.

6. Auxiliary power supply: AC/DC 80V~270V, AC220V.

7. A variety of shapes, to meet the different req-uirements of ?the cabinet body electric circuit.

Technical index

Accuracy of measurement

Power factor 0.5


Signal input

Mode of connection of single-phase three-phase three wire.

◆Rated voltage AC 57.7V,AC 100V,AC 220V,AC 380V.

◆Rated current ?of AC 1A, AC 5A.

◆Overload voltage:1.2 times(Continued), 2 times/second(instantaneous);

current:1.2 times(Continued), 10 times/5 second(instantaneous) .

◆Power consumption voltage:<1VA/, current:<0.4VA/phase.

◆Impedance voltage:>300mKΩ, current:<20mΩ.

◆The frequency 45~65Hz.


Auxiliary power supply

◆Working range ofWorking range of AC/DC 80V~270V, AC220V, AC380V, AC100V,DC48V、DC24V.

◆Power consumption<4VA.


Function module

◆Communication interface 1 way RS-485 communication, Modbus-RTU protocol baud r ate:1200~9600bps, the default ?2400bps.

◆Switch input: support 4 stem node input.

◆The switch output: support 3 relay output, capacity: AC 250V/5A, DC 30V/5A.

◆Transmission output: support 1 analog output: 0/4~20mA or 0~5/10V.


Environment

◆Working temperature: -10℃~+55℃.

◆Storage temperature: -25℃~+70℃.

◆Relative humidity is less than 93%, no corrosive gas.

◆Elevation≤2500m.


Safety

◆Insulation resistance>100MΩ.

◆AC withstand voltage AC 2KV.


Electromagnetic compatibility

◆ESD level 4.

◆Electrical fast transient burst level 4.

◆Surge(impact) level 4.


External And Installation Size


Frame size(mm) : 120×120;80×80;96×48;
96×96;72×72;

Hole size(mm) : 111×111;76×76;92×45;
92×92;68×68;

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