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Apogee SI-411 Precision Infrared Temperature Sensor
Apogee SI-411 Precision Infrared Temperature Sensor
Product details

Product Overview

SI-411 has SDI-12 digital output. The sensor has a field of view of 22 ° half angle and a response time of 0.1 seconds. Typical applications include plant canopy temperature measurement for estimating plant water status, road surface temperature measurement for determining icing conditions, and land surface (soil, vegetation, water, snow) temperature measurement in energy balance research.

Product parameters

Input voltage 4.5 to 24 V DC
Current consumption 0.6 mA (static), 1.3 mA (working)
Calibration uncertainty (-20 to 65 ° C) 0.2 ° C, when the target and detector temperatures are within 20 ° C
Calibration uncertainty (-40 to 80 ° C) 0.5 ℃, when the temperature difference between the target and detector is greater than 20 ℃
Measurement repeatability less than 0.05 ℃
Stability (long-term drift): The germanium filter maintains a slope change of less than 2% annually under clean conditions
The response time is 0.6 seconds, and the detector signal reaches 95% of the time after a step change; The fastest data transmission rate of SDI-12 circuit is 1 second
Field of view 22 ° half angle
Atmospheric window with spectral range of 8 to 14 μ m
Operating environment -55 to 80 ℃, 0 to 100% relative humidity (non condensing)
Size 23mm diameter, 60mm length
Mass 190 g (with 5 m wire)
A 5-meter four core cable, shielded twisted pair. Additional cables can provide multiples of 5 meters. Shandu Ping Rubber
Sheath (high water resistance, high UV stability, flexibility under cold conditions)

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Successful operation!

Successful operation!

Successful operation!