| Model |
NFAR181 |
| Number of Input Channels |
12, Isolated |
| Input Signal |
Thermocouple (TC), mV, RTD (Pt100, JPt100) |
| Types of Thermocouples |
J, K, E, B, R, S, T, N (IEC 60584, JIS C1602) |
| RTD Types |
Pt100 (three-wire), JPt100 (three-wire) |
| Allowable Input Voltage |
±5 V |
| Withstanding Voltage |
1500 V AC (between input and system, for 1 minute) |
| Input Resistance |
2 MΩ or more (Power ON/OFF) |
| Accuracy (Thermocouple Inputs) |
±0.03% of full scale (for -20 to 80 mV) |
| Accuracy (mV Inputs) |
±0.032% of full scale (for -100 to 150 mV) |
| Accuracy (RTD Inputs) |
±0.03% of full scale (for 0 to 400 Ω) |
| Allowable Signal Source Resistance |
1000 Ω or less |
| Reference Junction Compensation |
Within ±1°C |
| Measurement Current |
1 mA |
| Temperature Drift |
±30 ppm/°C (Thermocouple), ±32 ppm/°C (mV inputs) |
| Data Refresh Cycle |
1 second |
| Burn-out Detection |
Available with 60-second detection time |
| Maximum Current Consumption |
450 mA (5 V DC) |
| Weight |
0.2 kg |
| External Connection |
Pressure clamp terminal, MIL connector cable |
