The OMEGA CL3512A handheld calibrator is two meters in one. It is a temperature calibrator, or thermocouple calibrator, that simulates type J/K/T/E thermocouple signals. Each signal is adjustable by using the coarse and fine dials. The CL3512A can also be used as a dual-type J/K/T/E input thermocouple thermometer. Features include a large, 3-1/2-digit display with backlighting and display selections of HOLD, °C/°F, and 0.1°/1°.