Capable of measuring temperatures up to 2500°F (1371°C), OS550 Series of infrared thermometer/transmitters offers a choice of temperature ranges, backlighted LCD, and three analog outputs (1 mV/degree, 4-20 mA, or 0-5 vdc). The signals from the µP-based thermometers can be feed directly into panel meters, recorders, temperature/process controllers, etc. The unit also boasts of: dual display for indicating current plus min., max., average, or differential temperatures; 250-ms response time; visual and audible high/low alarm; and optional RS-232 interface.