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| Brand | Campbell |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SI-111 |
| Instrument Type | Fixed-Mount Infrared Radiometer |
| Measurement Range | -40 to 70°C |
| Accuracy | ±0.2°C (-10 to 65°C), ±0.5°C (-40 to 70°C) |
| Consistency | ±0.1°C (-10 to 65°C), ±0.3°C (-40 to 70°C) |
| Repeatability | ±0.05°C (-10 to 65°C), ±0.1°C (-40 to 70°C) |
| Spectral Response | 8–14 µm |
| Field of View | 22° half-angle |
| Response Time | <1 s |
| Operating Environment | -55 to 80°C, 0–100% RH |
| Excitation Voltage | 2.5 VDC |
| Thermopile Output | 60 µV/°C (ΔT between target and sensor body) |
| Thermistor Output | 0–2500 mV |
| Signal Channels | One differential (thermopile), one single-ended (thermistor) |
| Dimensions | 2.3 cm (diameter) × 6 cm (length) |
| Weight | 190 g |
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