Product Information

PA-4071 is a kind of thermistor and thermocouple isolator that can convert one circuit of thermistor or thermocouple signal produced at site to two circuits of 0/4-20mA or 0/1-5V. With cold-end compensation function, it is a smart isolator. Product features: 1. Power indicator lamp (green) 2. Input, output, and power supply complete isolation;

Technical Parameters:

1. Number of channels: one in and two out; 2. Power supply: 18-30VDC; 3. Consumption power: ＜2W; 4. Input signal: Pt100, Cu50, Cu100 thermistor; K, S, E, B, R, T, J, N thermocouple; Note: the analog type and measuring range are specified by customers. 5. Thermistor: Exciting voltage: 2.5V; Long-wire compensation: 200Ω (wire resistance). 6. Cold-end compensation accuracy: ±1℃ (-40-85℃); 7. Output signal: 4-20mA/1-5V; 8. Response time: ＜1s (0-90%) (TYP); 9. Ripple: ＜10mVrms; 10. Transmission error: 0.2% final value; 11. Temperature coefficient: 50ppm/K measured value / 100Ω load; 12. Insulation resistance: over 100MΩ at 500VDC; 13. Voltage withstand strength: 1500VAC/min; 14. Electromagnetic compatibility: meet the requirements of GB/T18268 industrial equipment application (equivalent to IEC61326-1); 15. Operating temperature: -10℃-+60℃; 16. Operating humidity: ＜90%RH (no condensate water); 17. Shell material: PC flame-resistant; 18. Weight: about 100g; 19. Boundary dimensions (thickness x width x height): 15x101x123mm.