Apogee Instruments - SI-111 Research-Grade Infrared Radiometer

Brand: Apogee Instruments

The Apogee SI-111 research-grade infrared radiometer measures plant canopy and leaf temperature without contact (+/-0.2 C) for accurate VPD and plant water status. Choose the output.

All versions share the same research-grade standard-FOV detector; only the output differs.

Available Options

• Unamplified analog (SI-111-SS)
• SDI-12 digital output (SI-411-SS)
• Modbus digital output (SI-511-SS)

Key Features

• Non-contact canopy temperature, 8-14 um window
• Research-grade +/- 0.2 C uncertainty
• Powder-coated aluminum shield, NIST-traceable
• Made in the USA and backed by Apogee's industry-leading warranty and support.

Ideal Applications

• Canopy temperature for VPD and crop steering
• Plant water-status and stress detection
• Phenotyping and greenhouse research