| Items | Specifications | |
|---|---|---|
| Model | NFAT141 (*6) | NFAR181 |
| Number of input channels | 16, isolated | 12, isolated |
| Input signal | TC: JIS C1602, IEC60584 Type J, K, E, B (*1), R, S, T, N JIS C1602:1981, IEC60584:1977 Type J, K, E, B (*1), R, S, T IEC60584:1977 Type N mV: -100 to 150 mv, -20 to 80 mv |
RTD: JIS C 1604, IEC 60751 Pt100 (three-wire type) JIS C 1604:1989, IEC 60751:1986 Pt100 (three-wire type) JIS C 1604:1989 JPt100 (three-wire type) |
| Switching input signals | TC/mV can be set individually for CH1 to CH16. | — |
| Allowable input voltage | ±5 V | ±5 V |
| Withstanding voltage | Between input and system: 1500 V AC for 1 minute (*7) |
Between input and system: 1500 V AC for 1 minute |
| Accuracy | Thermocouple inputs: ±0.03% of full scale (for -20 to 80 mV) mV inputs: ±0.032% of full scale (for -100 to 150 mV) |
±0.03% of full scale (for 0 to 400 Ω) |
| Allowable total resistance of signal source plus wiring |
1000 Ω or less | 40 Ω or less (wiring resistance per wire)(*2) |
| Effect of allowable signal source resis tance (1000 Ω) |
±20 μV | — |
| Reference junction compensation accuracy |
Within ±1°C (*3, 4) | — |
| Measurement current | — | 1 mA |
| Temperature drift | Thermocouple inputs: Max. ±30 ppm/°C mV inputs: Max. ±32 ppm/°C |
Max. ±30 ppm/°C |
| Data refresh cycle | 1sec | |
| Burn-out | All channels can be set together. Setting: Not available/available (UP/DOWN) detection time: 60 seconds |
|
| Maximum current consumption | 450 mA(5 V DC) | 450 mA (5 V DC) |
| Weight | 0.2 kg | |
| External connection | Pressure clamp terminal, MILconnector cable (*5)(*7) |
Pressure clamp terminal |
