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Apogee Instruments’ infrared radiometers combine high accuracy, durability, and low cost.

 

Accurate Measurements
Calibrated to a custom black-body cone with a measurement uncertainty of ±0.2 C from -30 to 65 C when the sensor (detector) temperature is within 20 C of the surface (target) being measured. Radiometers are only sensitive from 8 to 14 µm (atmospheric window) to minimize the influence of water vapor and CO2 on the measurement.

 

Field of View Options
Four field of view (FOV) options, including: three circular and one horizontal aperture. Custom FOVs available upon request.
Apogee Instruments IRR sensors come in different field of view options.

 

Rugged Housing
Anodized aluminum body with fully-potted electronics. The radiation shield reduces thermal fluctuations.

 

Output Options
Analog and digital output options are available. Analog versions include un-amplified and amplified voltage outputs. Digital versions include SDI-12 communication protocols. Sensor is also available attached to a hand-held meter with digital readout.

Typical Applications
Plant canopy temperature measurement for use in plant water status estimation, road surface temperature measurement for determination of icing conditions, and terrestrial surface (soil, vegetation, water, snow) temperature measurement in energy balance studies.

Mounting
The AM-210 mounting bracket is designed to orient sensors at varying angles to satisfy all applications. Bracket can be mounted to a mast or pipe, while accomocdating the sensor.

 

Warranty and Support
All Apogee products are backed by an industry-leading four year warranty and outstanding customer support.

   

 

Case Studies

Forecasting Ice Formationsy

Forecasting Ice Formations
Forecasting ice formation on road surfaces using infrared radiometers on a mobile system.
Read More >

 

Hydrology

Hydrology
Measuring ground surface temperature to measure snow runoff.
Read More >

 

Temperature Free-Air Controlled Enhancement T-FACE

Temperature Free-Air Controlled Enhancement T-FACE
Simulating warmer conditions by applying a heat treatment to open-field plant canopies. Infrared radiometers provide the data and control the heated plot temperatures.
Read More >

View all Case Studies >

 

Need help choosing a sensor?

  Technical Information
Technical Information
Find knowledge base articles, manuals, FAQs, technical support, and more.
 
+ What field of view do I need for my application?
Field of View (FOV) is widely dependent on the application. Essentially, you want to select a FOV model that only “sees” what you want the temperature of. A simple FOV calculator for determining target dimensions based on infrared radiometer model, mounting height, and mounting angle, is available on the Apogee website and in the app store.
+ Do I need to order a sensor to go with my meter?
No. All Apogee meters (MO, MP, MQ, MI, and MU series) either have sensors built into the meter or attached via two meters of cable. If you order a sensor only (SI, SO, SP, SQ, and SU series) you will need to have your own datalogger (or, depending on the sensor, a voltmeter) to collect information form the sensor.
 

spec sheets
Specification Sheets

 

 

Brief Overview of Infrared Radiometers
 

 

Principles of Surface Temperature Measurement
 

 

Infrared Radiometers

 


Models

For other temperature sensor options click here.