Apogee's infrared radiation scoring system includes the following models:

SI-111Standard field of view infrared radiometer

SI-121Narrow field infrared radiometer

SI-131Ultra narrow field infrared radiometer

SI-1H1Horizontal field of view infrared radiometer

SI-411： SDI-12 standard field of view infrared radiometer output

SI-421： SDI-12 output narrow field infrared radiometer

SI-431： SDI-12 Output Ultra Narrow Field Infrared Radiometer

SI-4H1： SDI-12 Output Horizontal Field Infrared Radiometer

SI-111

Product Introduction:

SI-111It is a voltage output sensor without amplifying analog signals, with a field of view angle of 22 ° 30 'and a response time of 0.6 seconds. The sensor includes an IP68 marine grade stainless steel cable connector, which is located at the head of the sensor, simplifying sensor disassembly and replacement, and making it easy to maintain and recalibrate.

Typical applications:

l Temperature measurement of plant canopy for estimating plant water status;

l Temperature measurement of road surfaces used to determine icing conditions;

l Temperature measurement of land surface (soil, vegetation, water, snow) used for energy balance research.

Technical parameters:

Ø Sensitivity 60uV/℃

Ø Thermopile output, with a voltage of -3.3mV to 3.3mV corresponding to a temperature of -55 ℃ to 55 ℃. The output thermistor ranges from 0 to 2500mV (Typical, depending on input voltage)

Ø Excitation voltage 2500mV (typical)

Ø Measurement range -60 ℃ -110 ℃ Calibration uncertainty (-20 ℃ -65 ℃) 0.2 ℃; When the temperature of the target and detector is within 20 ℃, the calibration uncertainty (-40 ℃ -80 ℃) is within 0.5 ℃. When the temperature difference between the target and detector is more than 20 ℃, the measurement repeatability is less than 0.05 ℃

Ø Stability (long-term drift): When the germanium filter is kept clean, the annual slope change is less than 2%

Ø Response time 0.6 s (when the detector signal reaches 95% of the time)

Ø Field of view 22 degrees and a half

Ø Spectral range of 8 to 14 µ m; Atmospheric Window

Ø Operating environment -55 ℃ to 80 ℃; 0 to 100% relative humidity (non condensing)

Ø Diameter 23 millimeters, length 60 millimeters

Ø Mass 190 grams (including 5-meter lead)

Ø Cable 5m four core shielded twisted pair TPR jacket (high water resistance, high UV stability, flexibility under cold conditions), can be attached with cable

Ø Warranty for 4 years

Manufacturer: Apogee, USA