Industrial Temperature Calibration, Course Outline

Class size is limited to just 25 people, so register today to reserve a seat!

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Hart Temperature School Faculty

When we say you’ll learn from experts, we mean it. Our faculty includes leading experts from Hart Scientific in temperature metrology, electronics, primary standards, and instrumentation.

We also draw on current and former temperature metrologists from various national labs. Our faculty is not only knowledgeable, they all know how to teach and make your learning experience effective and enjoyable.

“The course was very informative, with enough technical content—yet not overbearing.”

This one is about fundamentals. We’ll explore the theory and practice of temperature measurement and calibration across an accuracy range of 1 °C to 0.1 °C. In this class we go directly to the center of industrial temperature calibration and accuracy issues. We focus on practical applications and hands-on experience with classroom discussion of the theory behind the technique.

We’ll show you how to calibrate thermocouples, thermistors, PRTs, LIG thermometers, and anything else you can think of. We’ll explain how to properly use heat sources such as dry-wells and portable baths to achieve the accuracy you need with the least amount of anxiety over your technique.

Whether you’re new to temperature calibration or you’ve been performing field calibrations for years, you’ll go home more confident and ready to expand your role in calibration.

Course length: 2½ days
Class size: 25

Day 1 – Introduction to Temperature Calibration

Overview

ITS-90, international agreements
Terminology review
Traceability & hierarchy (from factory floor to NIST)

Unit Under Test Fundamentals

Learn the types, characteristics and limitations of thermometers
Thermometer configurations (switches, surface probes, etc.)
Other components

Calibration Methods

Simulators
Reference heat sources
Reference thermometers
Hands-on calibrations

Day 2 – Calibration Accuracy

Introduction to Accuracy (Uncertainty)

How accuracy is determined
Error sources
Special cases and challenges
Demonstration—automated calibration
Quality issues—ISO 25, Z540, reports, record-keeping

Calibration Equipment

Learn the characteristics and applications
Standards – what is suitable as a reference and why

Case Studies

Day 3 – Demonstrations

Math applications
Introduction to high-precision equipment
Panel discussion of current temperature calibration issues
Q&A with the experts
Lab tour and additional demonstrations
Add on two additional days of complete hands-on experience with Hart baths, dry-wells, thermometer readouts, and software.

Course	Industrial Calibration	Temperature Metrology	ITS-90 Seminar
Qualifications and Prerequisites	None	Some experience in sensor calibrations	Some experience with comparison calibration techniques; some familiarity with the ITS-90
Typical Uncertainties Discussed	±5°C to ±0.1°C	±0.5°C to ±0.005°C	±0.1°C to ±0.001°C
Coverage of Fixed Points	Brief introduction to water triple point cells; demonstration of mini TPW cells.	Theory, demonstrations, and hands-on experience with water triple point cells.	Theory of all ITS-90 fixed points; demonstrations of TPW freeze and tin and gallium realizations.
Who Should Come	Anyone new to temperature metrology and anyone performing in-field calibrations of working sensors—typically using portable calibrators—with or without reference thermometers.	Those responsible for calibrating in-field standards. Metrologists who do not work heavily with ITS-90 fixed points, but who seek lower uncertainties through comparison calibrations.	Metrologists responsible for calibrating SPRTs or other laboratory standards. Those seeking the lowest possible uncertainties through comparison or fixed-point calibrations.

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