Apogee Infrared Radiometers
Non-contact infrared radiometers systems for measurement of surface temperatures.
Available in two grades (research and commercial with ± 0.2°C and ± 0.5°C accuracy respectively) and a variety of outputs, the Apogee infrared radiometers are NIST traceable with an included calibration certificate.
The research grade sensors have 5 fields of view (three circular and two horizontal), and the commercial grade has a single field of view.
Capable of measuring plant canopy temperatures, as well as the temperatures of surfaces such as roads, soils, water and snow, the applications of the infrared radiometers are varied.
Field of View Details
Field of View | Geometry and angle of view |
Horizontal | Wide 32° half-angle field of view in the horizontal direction with a 13° half-angle field of view in the vertical direction |
Standard | 22° half-angle field of view |
Narrow | 18° half-angle field of view |
Ultra-Narrow | 14° half-angle field of view |
Road Surface | Dedicated road/footpath surface sensor with a 10° field of view |
Field of view and Output combinations
Field of view | Voltage/Analogue | SDI-12 | RS232/RS485 | Kit with meter |
Horizontal |
SI-1H1-SS (RG) / SIF-1H1-SS (RG, High Speed) |
SI-4H1-SS (RG) / SIL-4H1 (CG) | SI-5H1-SS | MI-2H0 (RG) |
Standard |
SI-111-SS (RG) / SIF-111-SS (RG, High Speed) / SIL-111 (CG) |
SI-411-SS (RG) / SIL-411 (CG) | SI-511-SS | MI-210 (RG) |
Narrow |
SI-121-SS (RG) / SIF-121-SS (RG, High Speed) |
SI-421-SS (RG) | SI-521-SS | MI-220 (RG) |
Ultra-Narrow |
SI-131-SS (RG) | SI-431-SS (RG) | SI-531-SS | |
Road Surface | SI-4HR-SS (RG) | SI-5HR-SS |
*CG denotes Commercial Grade, RG denotes Research Grade.
Full technical specifications can be found on the Apogee Instruments Website
Details on the following accessories can be found on the Apogee Accessories page:
- AM-220 Mounting bracket for the Apogee Research-Grade Infrared System
- AM-250 Commercial Infrared Radiometer Mounting Bracket, to mount the commercial infrared radiometer to poles or posts for accurate measurements.
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