Latest from the Blog

ISO/IEC 17025:2017 Requirements: List of Documents Outline and Summary
with 2 Comments

One of the most challenging parts during establishing a calibration or testing lab is to start the documentation requirements, even if there is an established guide (ISO 17025) that we can read and follow.  My first time reading it (ISO … Read More

How to Calibrate and Verify the Air Velocity and Volume Flow in a Duct Using a Pitot Tube Anemometer
with 2 Comments

Measuring or verifying the air flow coming out from the output end of the duct is very simple, an easy way is to use a vane anemometer. A simple placement of the vane (fan) in front of the opening of … Read More

Calibration of Analytical Balance – Answering the ‘HOW’s
with No Comments

This is a guest post from Kevin Hill,  head of the marketing efforts at Quality Scales Unlimited in Byron, CA. _____________ An analytical balance is a highly sensitive lab instrument that is designed to accurately measure mass. They have a readability range between … Read More

5 Mistakes When Using a Calibration Certificate that You Need to Correct
with 4 Comments

During my time as a calibration engineer managing an in-house calibration lab, I have collected different types of calibration certificates coming from different users inside the company. I observed that each one of the certificates has different formats and contents. … Read More

A Simple Pressure Safety Valve Calibration Procedure
with 13 Comments

One of the simplest but most important instruments that I encounter which are used not for displaying or monitoring the process, but for safety, is the pressure safety valves. When I was just starting out as a cal tech, looking … Read More

The Technical Records in Calibration Documentation
with 2 Comments

Recording as part of our documentation is not a new activity. I believe that most of you that are engaged in this technical field are doing some kind of documentation or recording of results as part of your daily job … Read More

Why Calibrate? 5 Risks of Not Calibrating the Watt Meter
with 4 Comments

This is a guest post from Edward Simpson, calibration and technical engineer, RS Calibration. The economic success of most manufacturing industries critically depends on the quality of their products, and measurement plays an important role in this. Every measuring device … Read More

How to Calibrate and Verify a Pressure Sensor – A Simple Procedure
with 2 Comments

Are you familiar with this type of pressure sensor? I cannot remember  when is the last time where I calibrated this type of pressure instrument that is why  I am excited to present it with you. I was amazed the … Read More

How to Differentiate Calibration, Verification, and Validation?
with 2 Comments

I have received below comments in relation to last post about the differences between calibration, verification, and validation. These are the comments: Can you give an example instrument with a specification that we can determine or differentiate calibration, verification, and … Read More

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