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Level Measurement

Interface Level Measurement Selection Guide

S Bharadwaj Reddy
Interface Level Measurement Table gives some guidance related to the oil–water interface level measurement for a single technology. However, it is important to understand the need of the measurement. For...

Guided Wave Radar Level Sensor Pressure and Temperature Effects

S Bharadwaj Reddy
High pressures/temperatures reduce the propagation velocity of the measuring signals in the gas/vapour above the liquid interface to be measured. The result of the high pressure/temperature is a systematic measuring...

Magnetic Level Indicator Principle, Limitations, Installation and Calibration

S Bharadwaj Reddy
Measurement principle The Magnetic Level Indicator (MLI) is a simple, rugged instrument designed to indicate level or interface. It indicates level using a float magnetically coupled to an index or...

Nuclear Interface Level Measurement Principle, Limitations, Installation and Calibration

S Bharadwaj Reddy
Measurement principle The nucleonic measuring principle is based on the attenuation of gamma radiation as it penetrates materials. The radioactive isotope (gamma source) is installed in a container, also referred...

Hybrid Level Measurement Principle, Selection, Installation, Limitations and Calibration

S Bharadwaj Reddy
Measurement principle The measurement is based on a hybrid technology: which consists of capacitance and GWR. The system is based on the GWR technology, whereas for interface applications this method...

Non Contact RADAR Level Transmitter Principle, Limitations, Design, Installation and Calibration

S Bharadwaj Reddy
Measurement principle A radar transmitter should be mounted on the top of a tank, chamber/cage or standpipe. The transmitter sends out microwaves via the antenna, which then travel down to...

Capacitance Level Sensor Principle, Limitations, Installation & Calibration

S Bharadwaj Reddy
Measurement principle The capacitive measuring principle is based on the method of the operation of a capacitor. A capacitor is formed by two differently charged electrodes isolated from each other....

Ultrasonic Level Transmitter Principle, Limitations, Calibration and configuration

S Bharadwaj Reddy
Measurement principle Continuous non‐contacting ultrasonic level measurement is based on the time of flight principle. An ultrasonic level instrument measures the time between sound energy transmitter from the sensor, to...

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