Technical Specifications
| Model | SRE3274 |
| Technical Specifications | |
| Number of input points | 4 |
| Input type | Resistance thermometer |
| Power supply polarity protection | Supported |
| Maximum sustainable voltage | 30V DC |
| Bus 5VDC current consumption | 165mA |
| Input range |
Resistance thermometer type (select one): Pt-100Ω,1000Ω(α=3850PPM,3920PPM, 3850.55PPM,3916PPM,3902PM) ; Ni-100Ω,1000Ω(α=6720PPM,6178PPM) ; |
| Measurement principle | Sigma -Delta |
| Data word | -32768~+32767 |
| Resolution | |
| Temperature | 0.1℃/0.1℉ |
| Voltage | --- |
| Resistance | 15-bit + sign bit |
| Measurement conversion time | Less than 400ms |
| Common-mode rejection | More than 125dB, AC120V |
| Cable length (compensating conductor) | Maximum 30m |
| Conductor loop resistance | Maximum 100Ω |
| Input impedance | ≥1MΩ |
| Basic error | ≤0.1%FS |
| Consistency | 0.05%FS |
| Cold junction error | --- |
| Isolation | |
| Between channels and buses | Existent |
| Between power supply and bus | Existent |
| Between channel and power supply | Existent |
| Display indicator | Power supply green LED display |
| System power diagnosis and warning | Supported |
| Environmental conditions | Operating temperature: -20~60°C, Relative Humidity: 5%~90% (non-condensing) |
| Storage temperature | -40~60 °C |
| Dimensions (L × W × H) | 15×100×80 （mm） |