Infrared Radiometers High accuracy, non-contact surface temperature measurement
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.
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 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, phenotyping, phenomics, 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-220 mounting bracket is designed to orient sensors at varying angles to satisfy all applications. Bracket can be mounted to a mast or pipe, while accommodating the sensor.
Warranty and Support All Apogee products are backed by an industry-leading four year warranty and outstanding customer support.
Case Studies
High Throughput Field Phenotyping Multi-sensor System Infrared radiometer measures canopy temperature on a multi-sensor system for high throughput field phenotyping in soybean and wheat breeding. Read More >
Hydrology Measuring ground surface temperature to measure snow runoff. Read More >
Weather Information Service Engine Project (WISE) SI-111 Infrared Radiometers measure building surface temperature as part of Weather Information Service Engine (WISE) Project. Read More >
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.
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