When a flow nozzle is placed in a pipe carrying whose rate of flow is to be measured, the flow nozzle causes a pressure drop which varies with the flow rate. This pressure drop is measured using a differential pressure sensor and when calibrated this pressure becomes a measure of flow rate. Description of Flow Nozzle The main […]
A capillary is generally built up from a tube, an armor, and optionally a protective sleeve. Table of contents Principle Importance of Capillary Tubing Tube Size Capillary Tube Material Precautions Process Temperature Effect Ambient Temperature Effect Mounting Effect Advantages Disadvantages Applications Principle The capillary tube is of small internal diameter, an appropriate method for separating […]
As per the 2021 CAG report, groundwater extraction in India increased from 58% to 63%, between 2004-17, exceeding the groundwater recharge rate. Climate change effects such as intermittent rainfall further alter the recharge potential, posing a huge threat to groundwater availability and quality. Recent assessments by the Central Ground Water Board (CGWB) show that many […]
A compromise between two-wire and four-wire RTD connections is the three-wire connection, which looks like this: In a three-wire RTD circuit, voltmeter “A” measures the voltage dropped across the RTD plus the voltage dropped across the bottom current-carrying wire. Voltmeter “B” measures just the voltage dropped across the top current-carrying wire. Assuming both current-carrying wires […]
In this article, we’re going to talk about a very common instrument found in the industry today, the Pressure Gauge. It would be difficult to walk through any industrial or food processing plant or manufacturing facility without seeing a pressure gauge of some type. What is a pressure gauge? A pressure gauge is an instrument […]
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