What is Dip Tape Level Measurement?
A dip tape is a manual user-operated liquid level measurement device, which consists normally of some form of calibrated tape, for example, meters, feet, yards, with a weight attached to…
Surface Detector Level Gauges (Plumb-bob)
In Surface Detector Level Gauges, a 'plumb line' weight is lowered from the sensor unit, which is fixed to the top of the tank, until the weight makes contact with…
Servo Operated Float Level Measurement
Servo-operated float level measurement systems uses fluid displacement for continuous level measurement. This method is considered more accurate than wire-guided float systems and surface detector (plumb-bob) systems. Servo Level Measurement…
SAVE and BR Memory Instructions in Siemens PLC Programming
Let’s study the working of SAVE and BR instructions in Siemens PLC programming. SAVE and BR Instructions in PLC Block Description SAVE: Save coil-like symbol in Siemens PLC is to…
What is Thermal Differential Level Measurement?
The thermal differential system is strictly a monitoring system rather than a level measurement system. It utilizes two Resistance Temperature Detectors (RTD). One RTD measures the temperature of the fluid…
Tank Level Detection Switches
Tank Level Detection Switches are associated more with alarm initiation and executive response initiation. Unlike the monitoring systems, switches do not give continuous level measurement but are used to alert.…
Selection Criteria for Toxic Gas Detector
Toxic Gas (H2S) Detector A detector is sensitive to toxic gas. Selection Criteria for Toxic Gas Detector The following are some minimum requirements applicable for combustible gas detector selection, however,…
Purpose of Tank Gauging Level Measurement
Tank gauging measurements are normally performed for one of the following reasons: 1. Operations The main reason for this type of level measurement is to attempt to avoid unintentional overfilling…
NACE Standards – MR0103 Vs MR0175
NACEÂ International equips society to protect people, assets and the environment from the adverse effects of corrosion. NACE International founded in the Year 1943 for recommending materials for Oil & Gas…
Instrumentation and Control Engineering Questions and Answers
We prepared the most frequently asked Instrumentation and Control Engineering Questions and Answers for your exam or interview preparation. Instrumentation and Control Questions 1 - What is the purpose of…
