3 WAYS TO DETERMINE THE TOLERANCE OF INSTRUMENTS WITH A CALIBRATION CERTIFICATE – If the Tolerance is Not Given
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
Verifying a Weighing Scale by Using a Bottled Water-Simple Trick To Avoid Being Cheated
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
GF Signet pH Meter Calibration Procedure-Dry Calibration
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
Pressure Switch Calibration Set-up and Procedure
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
Partlow Temperature Switch Calibration and Adjustment using a Metrology Well
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
Differential Pressure Gauge Calibration Using Fluke 754 Process Calibrator
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
Electric Oven Calibration Setup and Procedure
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
How to Verify the Accuracy of a Clamp Meter without using a Standard Coil?
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
Pressure Gauge Calibration Using Electronic Deadweight Tester (E-DWT)
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
3 Ways to Verify and Perform a Digital Weighing Scale Calibration
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