Hart Scientific 4181 Overview
The Hart Scientific 4180/4181 infrared calibrator features a large, six inch target designed to accommodate the field of view and calibration geometry requirements of common infrared thermometers that will not accurately test with smaller targets. The Hart Scientific 4180 infrared calibrator has a temperature range from 15C to 120C while the 4181 infrared calibrator has a temperature range from 35C to 500C.