Ambient Air Quality Monitoring System Principle
AAQMS (ambient air quality monitoring System) for continuous monitoring of pollutant gases like NO2, SO2, O3, CO and suspended particulate matter like PM10 and PM2.5 Ambient Air Quality Monitoring Parameters…
Micro-impulse Level Transmitter Principle
Levelflex is a "downward-looking" time-of-flight system, which measures the distance from the probe mounting (top of silo) to the material level. An electrical pulse is launched and guided down the…
Advantages & Disadvantages of Level Measurement Systems
Here we discuss about Advantages & Disadvantages of Level Measurement Systems like sight glass, ultrasonic level transmitters, float level measurement, Displacer level instruments, Pressure based level measurement. Advantages & Disadvantages of…
Latest ProfiBus Questions and Answers
ProfiBus Questions and Answers What happens if the PROFIBUS cable has a short-circuit? A short-circuit at the PROFIBUS cable can disturb a data communication in the particular segment. The devices…
Load Cell Design
When your application needs to measure static or quasi-static loads, forces or weights, you would need to use a load cell. A load cell is a device that converts the applied…
Shunt Calibration of a Strain Gauge Load Cell
Shunt calibration is the known electrical unbalancing of a strain gauge bridge by means of a fixed resistor that is placed, or “shunted,” across one leg of the bridge. The…
Instrumentation Engineering Standards Questions & Answers
What does “ATEX” stand for? “ATEX” is a French acronym meaning “Atmosphere Explosible”, and encompasses a series of standards pertaining to equipment and personnel within hazardous locations. What does “Zone…
Process Control Instrumentation Quiz
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to…
U-tube Manometer with equal & unequal limb types
This is the most simple and precise device used for the measurement of pressure. It consists of a transparent tube constructed in the form of an elongated 'U', and partially…
Different Types of Control Valve Actuators
Fail Open (Spring-to-Open, Air-to-Close) The actuator is spring-to-open, air-to-close type. Operation is via a normally closed 3 way, 2 position (3/2) solenoid valve. When the solenoid is energized, valve closes…
