IT-550F Standard model. Designed for field use. Stores 130 sets of data . IT-550L Dual beam model. Designed for laboratory use. IT-550S Spot focus model. Designed for laboratory use and equipped with target indicator.
-50-500° Temperature measurement range. Target Size: Model IT-550F: 24mm at a 1 meter distance. Model IT-550L: 24mm at a 1 meter distance. Model IT-550S: 2.5mm at a 0.5 meter distance. Dustproof and splashproof: IP-54 (based on IEC529 (1989)). Response Time: IT-550F and IT-550L = 1.6 seconds; IT-550S = 0.7 seconds. For IT-550F only: 130 data points may be stored in memory. Spectral Response: 8-16μm. Detector/optical lens: thermopile/silicon.