Menu
Apogee Instruments, Inc.
  • Home
  • Products
    • Quantum (PAR & ePAR) Sensors / Meters
    • Pyranometers
    • PAR, Daily Light Integral, and Photoperiod Meters
    • Oxygen Sensors
    • Chlorophyll Concentration
    • Infrared Radiometers
    • Spectroradiometers
    • Temperature Sensors
    • NDVI Sensors
    • PAR Meters for Aquariums
    • UV Sensors
    • Guardian CEA Multi-Sensor Monitor
    • Photometric Sensor
    • Net Radiometer
    • Cloudburst Weighing Precipitation Gauge
    • microCache Bluetooth Micro Logger
    • Barometric Pressure
    • Solar Energy PV Monitoring
    • Accessories
    • Pyrgeometers
    • Red - Far-red and PAR-FAR Sensors
    • Aspirated Radiation Shield
    • Humidity Probes
    • Refurbished Products
    • Radiation Frost Detector
    • Replacement Cables
    • Calibration Services
  • ABOUT US
    • Contact Us
    • ISO 9001:2015 Certification
    • International Distributors
    • Careers
    • Apogee News
    • Newsletters
    • Company History
    • Event Calendar
    • Leadership Team
    • Apogee Cares
    • Our Founder - Dr. Bruce Bugbee
    • Wholesale Application
    • Customer Satisfaction Survey
  • Integrators
  • Support
  • Sign In / Register
  • Search
  • International Distributors
  • My Cart (0)
    Your cart is empty

Infrared Radiometers

Apogee infrared radiometers offer high accuracy, non contact surface temperature measurements.
High-accuracy, non-contact surface temperature measurements for environmental applications in harsh conditions
Depending on the accuracy required for your application, Apogee offers several research-grade sensors with ± 0.2 C uncertainty and a lower-priced commercial-grade sensor with ± 0.5 C uncertainty.
High-Accuracy Measurements
All Apogee IR sensors are NIST traceable and include a calibration certificate. Sensors are calibrated to a custom blackbody cone. Research-grade sensors feature 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. Commercial-grade sensors have a measurement uncertainty of ± 0.5 C from 0 to 50 C when the sensor is within 20 C of the surface. 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
Research-grade sensors come in five fields-of-view, which includes three circular and two horizontal apertures. Commercial-grade sensors comes in two fields-of-view, one circular and one horizontal aperture.
Image comparing infrared radiometer fov options side-by-side
Image comparing infrared radiometer fov options
Typical Applications
Both radiometers can be used to measure plant canopy temperature for use in plant water status estimation. The radiometers are also used in phenotyping and phenomics of different plants. They can additionally be utilized to monitor road surface temperature to determine ice conditions and to measure terrestrial surface (soil, vegetation, water, snow) temperature in energy balance studies.
Mounting
Research-grade and commercial-grade sensors use the AM-250 bracket. The bracket is designed to orient the radiometers at various angles for different applications. Brackets can be mounted to a mast or pipe.
Image of the SI-111 Research-Grade infrared radiometer close up
Image of the SIL-411 Commercial-Grade infrared radiometer close up
Image of an infrared radiometer used in robot vineyard monitoring
Output Options
Handheld Meter Options:
Standard Field of View: MI-210
Narrow Field of View: MI-220
Horizontal Field of View: MI-2H0

Research-Grade Sensor Outputs:
Unamplified voltage outputs: SI-111, SI-121, SI-131, SI-1H1
SDI-12: SI-411, SI-421, SI-431, SI-4H1, and SI-4HR
Modbus: SI-511, SI-521, SI-531, SI-5H1, and SI-5HR

Commerical-Grade Sensor Outputs:
Unamplified voltage outputs
SDI-12: SIL-411 and SIL-4H1
Rugged Housing
All sensors have a rugged shield to reduce rapid thermal fluctuations and contains fully-potted electronics. Research-grade sensor radiation shields are made with powder-coated aluminum and a polished interior for lower emissivity. Commercial-grade sensor radiation shields are made with rugged, polished, UV-resistant ASA plastic.
High-Quality Cable
Research-grade pigtail lead sensors feature an IP68, marine-grade stainless-steel cable connector (approximately 30 cm from the head) to simplify sensor removal for maintenance and recalibration. The cable features a shielded, twisted-pair wire with a TPR jacket for high water resistance, UV stability, and flexibility in cold conditions. Commercial-grade pigtail lead sensors have the same high-quality cable, but they do not have a stainless-steel connector.
Image of infrared radiometer with cable connector located 30 cm from the head.
Warranty and Support
All Apogee products are backed by an industry-leading four-year warranty and outstanding customer support.
Learn more about the infrared radiometer specifications.

Specs Table

Learn More
Watch videos to learn more about our infrared radiometers.

Videos

Learn More
Apogee Instruments infrared radiometer case studies.

Case Studies

Learn More
Product support information for infrared radiometers.

Support Info

Learn More
  • Infrared Radiometer Support

Shop by brand

  • Apogee

Shop by price

  • $0.00 - $215.00
  • $215.00 - $424.00
  • $424.00 - $632.00
  • $632.00 - $841.00
  • $841.00 - $1,049.00
AA-100: Protective Carrying Case
Quick View

AA-100: Protective Carrying Case

$29.00
AM-250: Angle Commercial-Grade Infrared Radiometer Mounting Bracket
Quick View

AM-250: Angle Commercial-Grade Infrared Radiometer Mounting Bracket

$35.99
AL-050 Magnetic Angle Locator
Quick View

AL-050 Magnetic Angle Locator

$22.00
AC-100: Communication Cable
Quick View

AC-100: Communication Cable

$99.00
AB-100: Meter Battery
Quick View

AB-100: Meter Battery

$6.50
AC-421 SDI-12 to USB Converter
Quick View

AC-421 SDI-12 to USB Converter

$159.00

Compare Products

Subscribe to Our newsletter

About Apogee Instruments, Inc.

Address:
721 West 1800 North
Logan, UT 84321
United States of America

Hours: Monday-Friday 8 AM- 5 PM MST

Main Line / Order Status: (435) 792-4700
or sales@apogeeinstruments.com

Technical Sales and Support: (435) 245-8012
or techsupport@apogeeinstruments.com

Support

  • Technical Sales & Support
  • Recalibration & Repairs
  • FAQs & Alerts
  • Software Downloads
  • Datalogger Programs
  • Mobile Apps
  • Submit a Software Bug Report
  • Unit Conversions
  • RoHS, REACH, and PROP65 Statement
  • Sign In / Register
  • Wishlists
  • Sitemap

Product Information

  • Product Catalog
  • Case Studies
  • Product Manuals
  • Specification Sheets
  • Technical Drawings

Purchase

  • Ordering Information
  • Shipping
  • Quote Request
  • Returns & Warranty
  • Policies
  • International Distributors
  • Distributor Center
  • Wholesale Application
  • Integrators
  • Customer Satisfaction Survey

Company

  • Contact Us
  • Upcoming Infrared Radiometer Webinar
  • Company History
  • Our Founder, Dr. Bruce Bugbee
  • Apogee Cares
  • Apogee News
  • Apogee Newsletters
  • Event Calendar
  • Leadership Team
  • Careers
  • ISO 9001:2015 Certification
© Apogee Instruments, Inc.

Search in Apogee Instruments, Inc.

Cart Checkout
  • products
    • Quantum (PAR & ePAR) Sensors / Meters
    • Pyranometers
    • PAR, Daily Light Integral, and Photoperiod Meters
    • Oxygen Sensors
    • Chlorophyll Concentration
    • Infrared Radiometers
    • Spectroradiometers
    • Temperature Sensors
    • NDVI Sensors
    • PAR Meters for Aquariums
    • UV Sensors
    • Guardian CEA Multi-Sensor Monitor
    • Photometric Sensor
    • Net Radiometer
    • Cloudburst Weighing Precipitation Gauge
    • microCache Bluetooth Micro Logger
    • Barometric Pressure
    • Solar Energy PV Monitoring
    • Accessories
    • Pyrgeometers
    • Red - Far-red and PAR-FAR Sensors
    • Aspirated Radiation Shield
    • Humidity Probes
    • Refurbished Products
    • Radiation Frost Detector
    • Replacement Cables
    • Calibration Services
  • About Us
    • Contact Us
    • ISO 9001:2015 Certification
    • International Distributors
    • Careers
    • Apogee News
    • Newsletters
    • Company History
    • Event Calendar
    • Leadership Team
    • Apogee Cares
    • Our Founder - Dr. Bruce Bugbee
    • Wholesale Application
    • Customer Satisfaction Survey
  • Integrators
  • Support
  • Account
    • Sign In / Register
    • Wishlists
    • Returns
More Info