DM72-PQH Three Phase Digital Combination Meter
Basic Info
Model No.: DM72-PQH
Product Description
2. High quality approval, competitive price
3.Can programm
4.Range In: -9999~9999
5.ISO9001 C
Description: Intelligent digital instrument be used in electricity grids , automation control system to measure voltage ,current ,active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , High accuracy, Reliable performance, Strong isolation, Anti-Vibration. Performance Characteristics High-precision measure three-phase voltage,three-phase current,active power,reactive power ,apparent power,power factor ,frequency. LED or LCD display , Local data query Current Conversion Ratio is programmable. Support RS-485 communication Modbus-RTU treaty. Support DI DO AO Auxiliary Power Supply :AC/DC 80V-270V, AC220V,AC380V,AC100V Various shape can be choosed.
Accuracy of measurement | |
Voltage | 0.5 degree |
Current | 0.5 degree |
Active power | 0.5 degree |
Reactive power | 0.5 degree |
Power factor | 0.5 degree |
Frequecy | ±0.02Hz |
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Signal Input | |
Mode of connection | single-phase ,three-phase three-wire,three-phase four-wire |
Rated voltage | AC57.7V ,AC 100V,AC220V,AC380V |
Rated current | AC1A ,AC5A |
Overload | Voltage:1.2 times 2 times /1 second(instantaneous) |
| Current:1.2 times 10 times /5 second(instantaneous) |
Power dissipation | Voltage:less than 1VA/phase ;Current :less than 0.4VA/phase |
Impedance | Voltage:more than 300kΩ:Current:Less than 20mΩ |
Frequency | 45-65Hz |
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APS |
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Operating Range | AC/DC 80V-270V ,AC220V,AC380V,AC100V,DC48V,DC24V |
Power dissipation | Less than 4VA |
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Function Module |
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Communication interface | No. 1 RS-485 communications,Modbus-RTU treaty |
| Baud rate:1200-9600bps ,the default value is 2400bps |
DI | support 4 dry contacts |
DO | support 3 relay output,capacity AC250V/5A DC30V5A |
Transmitting Output | support 1 AO :0/4-20mA or 0-5/10V |
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Environment |
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Working environment | -10°C- +55°C |
Storage Temperature | -25°C- +70°C |
Relative Humidity | ≤93%, No corrosive gas places |
Altitude | ≤2500m |
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Security |
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Insulation Resistance | >100mΩ |
ACW | AC 2KV |
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EMC |
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ESD | grade 4 |
EFT | grade 4 |
Surge impact | grade 4 |
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Dimension |
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Frame dimension | 120*120; 80*80; 96*48; 96*96; 80*80; 48*48; 120*60; 160*80 |
Hole dimension | 111*111; 76*76; 92*45; 92*92; 68*68; 45*45; 114*56; 152*76 |
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Product Categories : Digital Combination Meter
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