Including 4.75 in. dia high-grade aluminum surface, Model CL1600 calibrates and verifies surface probe readings from 25–450°C. Built around PID temperature controllers, compact bench top device comes complete with RS232 communication, cable, free measurement and control software, 5-point NIST Traceable Calibration Certificate, and operator’s manual.RoHS-compliant, rugged unit is suited for scientific, research, and calibration service industries.