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Category: Force Calibration Standards

How to use a Load Cell Tester Quickly Diagnose 5 Common Load Cell Issues

What is a Load Cell Tester (LCT) Morehouse LCT 100 Load Cell Tester is a stand-alone hand-held device that was specially designed for full troubleshooting of strain-gage-based load cells. When load cells have problems, identifying the nature of the problem becomes an urgent matter. A technician's time is valuable. The Load Cell Tester will save […]
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Load Cell Simulator Calibration Requirements to Calibrate my Digital Indicator: Is it Worth it? (ISO 376 and ASTM E74)

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Load Cell Simulator Calibration Requirements to Calibrate my Digital Indicator: Is it Worth it? We have been asked more frequently lately about the benefits of calibrating everything as a system versus calibrating the load cells and indicators separately and intermixing them using a calibrated load cell simulator. Being able to intermix any load cell and […]
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Understanding ISO 376 Morehouse Calibration Certificates

Understanding ISO 376 Morehouse Calibration Certificates Morehouse takes exceptional pride in complying with several published standards. We hold ourselves accountable, raise the standard, and put a lot of effort into making the world safer. We are writing this article to help those who might not understand the ISO 376 standard. We have conducted webinars and […]
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Easy to Use ASTM E74 Load Cell Selection Guide

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ASTM E74 Load Cell Selection Guide Download the spreadsheet for ASTM E74 load cell selection spreadsheet @ https://mhforce.com/wp-content/uploads/2022/05/ASTM-Load-Cell-Selection-Guide.xlsx Many people get confused with load cell specifications and what they mean. When a company says the load cell is accurate to 0.01 % of full scale, what does that mean? If calibrated using the ASTM E74 […]
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Load Cell Loading: Thread Engagement Errors

Load Cell Loading: Thread Engagement Errors Morehouse has covered this topic in previous videos and blogs. However, it is important enough to write another blog about thread engagement. Why is it important? In a typical female thread design, the modeling is done with “assumptions” on the thread engagement. A standard rule is to assume the […]
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How to Comply with ILAC P14 when Reporting Expanded Uncertainty

How to Comply with ILAC P14 when Reporting Expanded Uncertainty ILAC P14 is a mandatory policy document for calibration laboratories accredited to the ISO/IEC 17025 standard. How can a laboratory ensure that expanded uncertainty is reported in compliance with ILAC Policy Measurement Uncertainty in Calibration, ILAC P14? In ILAC P14, section 5 relates to calibration […]
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Understanding the Calibration Coefficients for Load Cells and Other Force-Measuring Devices

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What Calibration Coefficients Do ASTM E74, ISO 376, and other standards may use calibration coefficients to characterize the performance characteristics of continuous reading force-measuring equipment better. These standards may use higher-order fits such as a second or third-order fit (ISO 376) or ASTM E74 allows higher-order fits up to as high as a 5th-order. Both […]
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ASTM E74 and Accuracy Statements: Why an Accuracy Statement Does Not Belong on Every Calibration Certificate

ASTM E74 and Accuracy Statements: Why an Accuracy Statement Does Not Belong on Every Calibration Certificate - Intro   The current ASTM E74-18 standard is the title Standard Practice for Calibration and Verification for Force-Measuring Instruments. Here at Morehouse, we support the best practices that are outlined in the ASTM E74 standard as the representation […]
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New ASTM E74-18 Changes

New ASTM E74-18 Changes - Intro   It’s been five years since ASTM E74 was last updated.  The last version of the standard was ASTM 13a, and I believe we may have an ASTM E74-18a.  However, the new standard has been released and this blog is going to detail some of the major changes between […]
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Understanding ISO 376

Understanding ISO 376 Our last blog focused on the difference between ISO 376 and ASTM E74. That blog was a comparison between the major differences when comparing both standards and can be found here.  What we hope to do with this blog is go into a bit more detail and explain the ISO 376:2011 Metallic […]
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ASTM E74 is Not the Same as ISO 376

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ASTM E74 is Not the Same as ISO 376 Morehouse has been performing both ASTM E74 and ISO 376 calibrations for more than fifteen years. We have been calibrating in accordance with the ASTM E74 standard since its introduction in 1974, and performing ISO 376 calibrations since sometime in early 2000. Prior to early 2000, […]
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Morehouse ISO 376 Calibration Certificates

Morehouse ISO 376 Calibration Certificates Morehouse has been performing ISO 376 calibrations for over the last fifteen years. In this time frame, we have changed our ISO 376 calibration certificate format three times. The latest change offers additional information such as a calibration graph per run and is laid out in a way that is […]
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