Calibrating Temperature Instruments (AIC03)

This lesson demonstrates basic procedures for checking the calibration of thermocouples and RTDS.

Prerequisites

This lesson is designed for participants familiar with the basic principles of calibration including calibration procedures, common instrument errors, and the standards for instrument performance. An understanding of algebra is also recommended.

Description

This lesson teaches basic procedures for checking the calibration of thermocouples and RTDS, as well as for calibrating temperature instruments including thermocouple transmitters and RTD transmitters. Procedures using thermocouple and RTD tables are presented in addition to calibration steps using a digital temperature calibrator.

Objectives

Identify common test equipment used as measurement standards for calibration of temperature instruments. Property set up and connect the measurement standards for calibration of temperature instruments. Identify the proper thermocouple or RTD table for the sensor in the loop and use the tables in calibration. Check the calibration of thermocouples and RTDs. Calibrate an analog electronic temperature transmitter whose input is provided by a thermocouple or an RTD. State safety precautions for calibrating temperature instruments in the field.