Technical Papers

Manual Title Description

Sensor Performance in Burns SWE

Based on design and construction, different sensors perform differently when use with the Burns SWE, Sanitary Elbow Thermowell.  This paper present the impact of sensor choice on achieving a measurement that truly represents the process of interest.

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Surface Sensor Time Response Test method

NEW!   This paper describes the method used to establish comparative time response performance values for various surface sensors as well as characteristics to consider to achieve effective and confident temperature measurements utilizing surface sensors.

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Important Installation Considerations

This paper outlines important issues regarding the installation of a surface mounted temperature sensor.

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Temperature is Key to Brewing Success

Temperature measurement is a key process control variable when creating a Craft Brew at Steel Toe Brewing.

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Optimization Check-Lists

Convenient Check lists to improve your measurement accuracy or determine if it's time to replace the sensor.

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Resistance vs. Temperature Tables

Resistance vs. Temperature Tables for common alpha values and ice point resistances.  Covers the temperature ranges from -200°C to 500°C (-330°F to 900°F)

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RTD Performance Verification

Measurement confidence can be ensured by incorporating a program for Periodic RTD Performance Verification.  This paper will present Why and How to develop a program that meets your measurement confidence needs.

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3 Wire RTD Cable Imbalance Error & Solutions

RTDs with three wire systems and long length cables have unique lead wire resistance considerations.  This paper discusses the influence and methods to minimize the accuracy impact.

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True Lifecycle Cost of a Resistance Temperature Detector

How RTD selection criteria impacts accuracy and operating performance. Proper selection should align with the process conditions, expectations, and installation, for lowest lifecycle cost.

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Matched Transmitters

How to improve measurement accuracy by matching the transmitter with a PRT.

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Understanding Calibration Uncertainty

This guide provides an abbreviated description of the methodology used to calculate the calibration uncertainties that are included on the calibration reports provided by Burns Engineering.

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Sources of Error: Part 1, Interchangeability

This is the first paper in a series on error sources that affect the accuracy of industrial PRTs. This paper covers the topic of interchangeability, defines what it means, and gives information on the magnitude of the error and some ways to reduce the error from this source.

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Sources of Error: Part 2, Insulation Resistance

This paper discusses how insulation resistance (IR) affects the accuracy of PRTs. Information is provided on acceptable levels for IR as well as estimating the magnitude of the error due to low IR. Some suggestions are given on how to reduce the likelihood of encountering IR problems.

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Sources of Error: Part 3, Stability

This paper discusses PRT stability, it defines what it means, gives examples of the magnitude of this error and what can be done to reduce the error from this source.

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Sources of Error: Part 4, Repeatability

This is the fourth installment in a series on error sources that affect the accuracy of industrial PRTs. This paper covers the topic of repeatability, defines what it means, and gives information on the magnitude of the error and some ways to reduce the error from this source.

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Sources of Error: Part 5, Hysteresis

This is the fifth installment in a series on error sources that affect the accuracy of industrial PRTs. This paper covers the topic of hysteresis, defines what it means, and gives information on the magnitude of the error and some ways to reduce the error from this source.

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As Found Calibration Data

This paper discusses why the resistance at the triple point of water (RTPW) is considered the most important piece of information obtained during calibration of a Secondary Standard PRTs, and how the change in the RTPW can be used to estimate changes at other temperatures.

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Small Diameter Lines

Different methods for using a PRT to measure the temperature of fluids in lines from .5 to 4 inches are compared. Advantages and disadvantages are given for each method.

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Using an Ice Bath to Approximate the Triple Point of Water

The resistance of a Secondary Standard Platinum Resistance Thermometer (SSPRT) at the Triple Point of Water (TPW) is one of the most important performance criteria for proper monitoring and use of the thermometer.  In this paper, two methods for approximating the TPW resistance measurement using an ice bath and provides a detailed uncertainty analysis to show what level of uncertainty can be achieved.

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Approximating the TPW Presentation

Presentation given to NCSLI at the 2008 Workshop & Symposium in Orlando, FL

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Best Practices for RTD Installation

RTD installation approach will influence the accuracy of the measurement.  This technical paper offers practical insights to minimizing the potential accuracy robbing influences.

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