CL540ZA thermocouple simulators from Omega Engineering Inc., Stamford, CT, can be used to check and calibrate all thermocouple instruments. The simulators work with Type J, K, T, E, R, S, B, N, G, C, D, L (J-DIN), U (T-DIN), and P (Platinel II) thermocouples and offer ±(0.015% of reading + 0.006 mV) accuracy, ±0.25°C cold-junction compensation, and –25°C to 60°C operating temperature range. Millivolt range is –13.000 to 80.000 mV. You can set any value within 0.1° with the adjustable digital potentiometer dial and store any three temperatures for instant recall with the selector switch. You can also connect directly to the thermocouple inputs of smart transmitters, PLCs, controllers, and multichannel recorders and verify their outputs or displays.
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