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| Customization: | Available |
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| Task: | Adjust |
| Structure: | Combination |
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<1>. NPEXA-GM31 isolated safety barriers provide power to transmitters in hazardous area, then isolate and transmit current or voltage signal to safe area by detecting the current in circuit.
<2>. They support HART digital signal transmission.
<3>. Input, output and power supply, 3 terminals are galvanically isolated from each other, own the advantages of low power consumption and quick response.

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Explosive-proof grade: [Ex ia Ga]IIC |
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Input |
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| Permissible input signal from hazardous area |
DC current signal |
| Input impedance | Approx 75Ω |
| Inputresistance | 1KΩ |
| Output | |
| Output signal | Current: 0(4)mA~20mA; 0mA~10mA; Voltage: 0(1)V~5V; 0V~10V; |
| Output load capacity |
0(4)mA~20mA: ≤550Ω; 0mA~10mA: ≤1.1KΩ; |
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Distribution output voltage (If needed) |
Open circuit voltage≤26V; Full load 20mA output voltage≥16V; |
| Other Parameters | |
| Accuracy | ±0.1%F.S. |
| Temperature drift | ≤30ppm/ºC |
| Response time | ≤2mS |
| Power supply | 18~32V DC (Recommend 24V DC) |
| Power consumption | 1.3W (24V power supply,20mA single output); 1.8W (24V power supply,20mA double output); |
| Insulation resistance | ≥100MΩ (between input-ouput-power) |
| EMC | IEC61326-3 |
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Ambient Conditions |
Operating temperature range: -20~+60ºC |
| Relative humidity: 10%~90%RH (40ºC) | |
| Operating atmosphere pressure: 80~106kPa | |
| Storage and delivery temperature: -40~+80ºC | |



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