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SI-431-SS digital infrared temperature sensor/SDI-12/14 ° viewing angle
Digital SDI-12 output, 14 ° half angle field of view
Product details
The SI-431-SS high-precision infrared temperature sensor uses an optical germanium lens and is based on the principle of non-contact infrared temperature measurement. It can be used to estimate plant moisture status, plant canopy temperature, road surface temperature, and land surface (soil, vegetation, water, snow) temperature in energy balance research.
SI-431-SS consists of a thermopile (used to measure surface temperature) and a thermistor (used to measure the sensor's own temperature), both temperature probes are placed inside an aluminum conduit.
SI-431-SS adopts digital SDI-12 output, 14 ° half angle field of view, and is equipped with M8 standard interface for easy cable replacement and connection to Apogee AT-100 recorder.
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SIL-411 |
SIL-4H1 |
SI-411-SS |
SI-421-SS |
SI-431-SS |
SI-4H1-SS |
SI-4HR-SS |
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type |
Commercial grade |
Research grade |
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cable |
5mTail fiber |
5mDistance from the probe25cmPlace beltM8Interface, tail fiber |
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INPUT VOLTAGE |
5.5~24V DC |
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Average Current Consumption |
1.5mA(Static),2.0mA(Dynamic) |
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output |
SDI-12 |
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Field of view (half angle) |
22° |
32° Horizontal 13° Vertical |
22° |
18° |
14° |
32° Horizontal 13° Vertical |
16° Horizontal 5° Vertical |
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Uncertainty（1） |
0.2℃ |
0.3℃ |
0.2℃ |
0.3℃ |
0.5℃ |
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Uncertainty（2） |
0.2℃ |
0.3℃ |
0.2℃ |
0.3℃ |
—— |
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Uncertainty（3） |
0.5℃ |
0.6℃ |
0.5℃ |
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—— |
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response time |
0.6Second（95%） |
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repeatability |
<0.05℃ |
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Long-term Drift |
<2%/year |
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spectral range |
8~14µm |
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work environment |
-50℃~80℃，0~100% RH |
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size |
long60mm, diameter23mm |
long76mm, diameter23mm |
long60mm, diameter23mm |
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weight |
190g |
219g |
190g |
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pour |
（1）：0 ~50℃, target and detector ΔT < 20℃ （2）：-30℃~65℃, target and detector ΔT < 20℃ （3）：-40℃~80℃, target and detector ΔT > 20℃ |
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