Have you ever wondered why we need to use a calibrated thermometer to monitor food temperatures regularly or at a set time? During my shift in one of the restaurants I worked at, we monitored the temperature of the chilled … Read More
What is a Pressure? Pressure is everywhere and all around us. We can feel the air pressure exerted on our body. We feel the pressure during a long travel usually from a low to high elevation or vice versa, we … Read More
As a Calibration technician, or quality personnel, have you felt confused about whether to perform calibration or verification on a specific instrument? How can you tell if you only need verification? Or Just calibration? What needs to be performed first, … Read More
Almost all industries use monitoring and measuring equipment to manufacture products or support services, it is required that this equipment must be calibrated to ensure that the intended product specification is achieved. In short, quality is maintained when calibration is … Read More
Have you encountered the following scenario? You are interpreting a calibration certificate but you noticed that the correction factor you need is not exactly displayed or provided in the report, what can you do? The measurement data of your instrument … Read More
Weighing scales are the need of almost every business. Some people also use weighing scales at home to monitor their body weight. A scale is a measuring device that allows you to determine the mass and weight of an object. … Read More
You may have a properly maintained calibration lab, well-trained personnel, high-end measuring equipment but the traceability of the reference standard you use is in question, then the calibration performed could be rejected. As a beginner once in calibration, my only … Read More
Before considering using a balance or performing a weighing scale verification, one primary requirement is to know the tolerance limit. The user should determine the tolerance limit in consideration of their process, but this is not always the case. As … Read More
Are you qualified to perform the calibration? This is the question I sometimes encounter during assessment or audits related to the competency of personnel. Personnel competency is one of the main requirements in a calibration process where auditors are so … Read More
Let me ask you a question, have you ever used the Measurement Uncertainty (MU) reported in your calibration certificate? Most users of certificates that I meet who are In-charge in calibration do not use the measurement uncertainty results in their … Read More
You received a pressure gauge calibration certificate with the following results: You are asked to interpret these results to determine if the results of the calibration have passed or failed by accounting the measurement uncertainty in the measurement results before … Read More
With the pandemic that we have experienced, affecting every industry in the world, one strategy to avoid an overdue instrument and ensure an updated calibration program is to extend the calibration due date or calibration interval of our instruments. But doing this … Read More
Is your IR thermometer accurate? How do you know that your Infrared thermometer displays a correct reading after long use and exposure to different environmental conditions? Safety in our daily operations is one of the main priorities during monitoring. Safety … Read More
Are you familiar with the differences and relationships between Accuracy, Error, Tolerance, and Uncertainty in calibration Results? There are so many terms that we always use or read during our measurement process. Knowledge in these terms is the key to … Read More
Since the transition from the 2005 version to the 2017 version has started, I have received several comments regarding the ISO 17025:2017 Impartiality procedure. There is also a question like, “Is it Mandatory to have a procedure for impartiality?” Just … Read More
How to extend the current measurement range of your handheld digital multimeter up to 10X or more? Most regular handheld multimeters have a current range that you can measure up to 10A. A problem occurs when there are situations where … Read More
I receive a question asking, “What is the difference between monitoring and calibration?” At first, I was skeptical to answer the question because I was thinking that it is a very simple question. But I realize that it is not … Read More
Last Updated October 6, 2020 This post was originally published on this site >> https://blog.feedspot.com/calibration_blogs/ Top 15 Calibration Blogs and Website to Follow in 2020 Calibration Blogs List. The Best Calibration Blogs from thousands of Calibration blogs on the web using search and social metrics. … Read More
As a Technician whether working as a maintenance or in electronics repair field, multimeters is the most used tool to test, diagnose, monitoring, and repair. Your decisions are based on the data that you have taken or on the output … Read More
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
The analog pressure gauge is one of the simplest, mostly used instruments, and the easiest to calibrate in pressure calibration. It has a simple setup where you can easily execute the calibration. But analog pressure gauge is also one of … Read More
Measuring or verifying the airflow 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 the … Read More
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
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 certificate has different formats and contents. And one day, … Read More
Temperature and humidity are the most monitored environmental factors based on the facilities I have visited. You can see it almost everywhere. Have you ever experienced being exposed to a high temperature and humidity environment? I believe all have experienced … Read More
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
Are you aware of the requirements to generate a calibration certificates? One of the very first things to have during the start of any calibration activity is to prepare the necessary documents like calibration methods, forms, and work instructions in … Read More
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
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
I have received the below comments in relation to the 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, … Read More
Calibration is one of the most important aspects when we are engaged directly or indirectly in manufacturing a certain product in terms of measurements. Almost all of the industries require this service mainly because of quality and safety (and of … Read More
Calibration, verification, and validation are always used or read in every measurement related topic. When I was just starting out in this calibration environment, I was always confused on how or when to use each term. There were so many … Read More
One of the most utilized components in electronics is the resistor. It is found in every electronics device where its main purpose is to resist or limit the flow of current. This is one of the major uses of a … Read More
One of the main goals in every industry whether in manufacturing or in service, is to have a smooth and reliable operation of every equipment or machine used. One way to achieve this goal is to implement a quality control … Read More
Based on my visits to most manufacturing industries, the temperature transmitter is one of the process instruments that can be normally seen. Each is using either a thermocouple sensor or a Resistance Temperature Detector (RTD) sensor, where the majority of … Read More
During my learning days, when I hear a pressure transmitter (and other transmitters), it seems it is a very complicated instrument to calibrate (How about you?). . But when I already learned and experience calibrating it, I can say that … Read More
on-site calibration of a tanker
As a calibration tech or Engineer, our responsibility does not end after we performed instrument calibration. One of our responsibility is also to respond to or support an audit. As per my experience, the most audited processes in the manufacturing … Read More
Pressure gauges have various types and usage, and one of this was a differential pressure gauge. A differential pressure gauge is not just used to measure and display a pressure reading but it is also used as an instrument to … Read More
Calibration of thermometer is very common not just in very industries but even at home. Have you seen an oven with a temperature indicator that looks like a simple clock or a pressure gauge? Or simply watch a cooking scenario … Read More
I was messaged by one of my reader about a question related to my previous post about “How to Interpret a Calibration Certificate”. See the post here. It is a good question because I did not cover it on the … Read More
As a common consumer, I usually go to market or groceries every week, if not every day. In the market or groceries where meat and vegetable are sold, a weighing scale (either a digital or analog) is used before a … Read More
If you are exposed to a company that is using a water on one of its main processes, then surely you encounter this kind of meter, the pH/ORP meter. Just like a conductivity meter, a pH meter or ORP meter … Read More
There are many types of switches which are used in different processes and one of them is the pressure switch. A switch is used to cut or supply a power in a circuit. As the name implies, it is a … Read More
As a Calibration Technician or Engineer, one of our responsibility is to ensure the proper functioning of most measuring instruments installed in our processes. In this post, I will share to you on how I calibrated an old industrial temperature … Read More
Have you encountered a pressure gauge with two entry ports where pressure can be applied? In this post, I will discuss what is a differential pressure gauge, where it is being used and how to calibrate specifically a Dwyer Magnehelic gauge … Read More
I believe most of us are familiar with ovens. Once heard, we think of it as equipment used for baking or roasting. This is what most of us know but for those exposed in manufacturing areas, some usage of ovens … Read More
In my last post, I presented how to calibrate a clamp meter using a Fluke 5500 standard coil to amplify a current simulated from the Fluke 5522a. You can attain the required current output by using the standard coil. A … Read More
There are different methods and reference standard used to calibrate a pressure gauge. Most are portable, small, and a good use for on-site calibration. In my other post, I introduce the calibration of pressure gauges using Fluke 754 with a … Read More
An analog or digital scale for weighing is a very popular measuring instrument used to measure the mass or weight of a body. Almost everything today is measured in terms of its weight. Some of the Importance of using a weighing … Read More
Have you ever wondered why the cables on your appliances are safe to hold while plugging it into the electrical source? Or the electrical lines going into your house does not shock you every time you touch a metal post … Read More
I have performed calibrations to different manufacturing industries and I can say that temperature is one of the most measured parameters. Temperature calibration is always performed and having the knowledge to do the calibration in this field is a good … Read More
I have presented in the past article on how to calibrate a digital handheld tachometer using Fluke 754.. Click this link to visit. Now in this article, I will share with you on how to verify the accuracy of … Read More
Do you want to make sure that the rpm reading of the tachometer that you are using is accurate? In this article, I will share with you a simple and effective way on how to calibrate a Digital Tachometer, the … Read More
As a Calibration Technician, an Equipment Engineer, a QA, or just a user of a calibration certificate, let me ask you below questions: Q1: Do you know how to interpret a calibration certificate during measurements and/or preventive maintenance? Q2: If … Read More
Hello guys. I will share today this calibration set up that I just finished earlier. The calibration of a furnace. Maybe some of us are not familiar what a furnace is, a furnace is a temperature enclosure almost the … Read More
Why is Calibration Not Required? During my career as a calibration engineer in an in-house calibration laboratory, one of our goals is to provide 100% calibration to all measuring instruments that are being used inside our facility that directly or … Read More
In my past post, I have presented how a multimeter is being calibrated or verified using a multiproduct calibrator, and in this post, I will present with you how a clamp meter will also be calibrated. These 2 are somewhat … Read More
. What is Thermo-Hygrometer? Most are familiar with these instruments because if you have been to a hospital or even a mall these days, you can see it mounted in a wall. A thermo-hygrometer is an instrument used to measure … Read More
Equipment that is using temperature in its process can be found in almost all industries. Almost all these temperature generating equipment have a Temperature Controller installed in them and mostly these are digital temperature controllers. The temperature controller is not … Read More
As a calibration technician, I am exposed to a vast number of measuring instruments like pressure instruments, transmitters, electrical equipment and temperature measuring devices. Every industry that I encounter have all these monitoring and measuring instruments being used. And if … Read More
What is a thermocouple wire? Thermocouple wires are a special wires that are made up of two dissimilar metals that when coupled together will generate a voltage signal in response to a change in temperature where it is exposed to. … Read More
One of the most used temperature measuring and sensing tool is the thermocouple wire. Thermocouple usage is almost everywhere in a temperature measurement process. It is mostly integrated on Temperature Controllers and Indicators as a sensor to detect temperature like … Read More
I was once exposed to a kitchen where food temperatures are being monitored to ensure that foods are properly cooked and has met the desired temperature before serving it to the customers. One way of doing this is by inserting … Read More
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