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Ultrasonic level measurement is one of a number of non-contact techniques available. The principle of the ultrasonic level gauge is that...

There are two methods for calibrating a displacer level transmitter. 1. Wet calibration (by using water) 2. Dry calibration (by using...

Radar type level transmitter is used for measuring the closed tank level of the special liquid, especially radioactivity liquid. The...

ELECTRICALLY OPERATED : Common electrical type level instruments are 1. Capacitance type 2. Ultrasonic type 3. Radar type 4. Conductivity...

It is a type of buoyancy operated method Uses the theory of Archimedes principle, which states that “The force produced, when a body is...

As shown in Figure, a bubbler tube is immersed to the bottom of the vessel in which the liquid level is to be measured. A gas (called...

Why this method called as indirect method because level measurement is depends on other parameter like pressure, capacitance, speed of...

DIRECT METHODS ** VISUAL LEVEL SENSORS** 1. SIGHT GLASS The sight glass is an important method for visually determining level. The sight...

Level measurement is one of the used measurements in industry. In the most industrial applications level can be defined as the height of...

There are three types of junction which listed below, 1. Grounded Junction 2. Ungrounded Junction 3. Exposed Junction Thermocouples are...

Let's take an example, one end of the thermocouple is at 1000° and the other end is 100° so the difference is 900°. If we wanted to...

Based on different temperature range there are many types of thermocouple which are listed and explain below. Thermocouples are divided...

A thermocouple is a sensor for measuring temperature. It consists of two dissimilar metals joined together at one end, which produce a...

Mechanical temperature devices respond to temperature by producing mechanical movement. Electrical temperature devices respond to...

In this article, we will learn Differential pressure transmitter or DP transmitter in brief.

ELECTRICAL AND ELECTRONICS COMBINATION Below are some method which are used to convert mechanical motion into electrical signal Electro...

As we already have discussed mechanical method let learn about gauge protection method : Mainly three types of gauge protection method...

METHODS OF PRESSURE MEASUREMENT 1. By means of manometers. 2. By means of mechanical sensors. 3. By means of electrical and electronic...

Pressure is force per unit area applied in a direction perpendicular to the surface of an object. Pressure is measured in any unit of...

Range The range of an instrument means the value of minimum measurable value to maximum measurable value. Lower Range Value(LRV) The...

PRIMARY SENSING ELEMENT : Primary sensing element of an instrument is that which first receives energy from measured medium and produces...

INTRODUCTION TO INSTRUMENTATION : The technology of using instruments to measure and control the physical properties of materials are...

In this article, you will learn the definition of a term used in flow measurement and type of flow measurement technique. To know the...

This article is about Different methods of pressure measurement widely used in the field of the instruments to measure field conditions...