TDR & FMCW Radar Level Transmitters Principle
TDR & FMCW Radar Level Transmitters Principle Continuous level measurement via radar is based on the theory of the propagation of electromagnetic waves, put forth by the British physicist James…
Electromagnetic and Conductive limit switches Principle
Electromagnetic Limit Switch The electromagnetic wave measuring process allows for universal use even when the media changes. The electromagnetic wave penetrates the medium and, depending on the respective relative permittivity,…
Basics of Flow Measurement
Flow is defined as fluid in motion. Factors Affecting Flow Rates in pipes are velocity, viscosity, and density of the fluid. Study Basics of Flow Measurement.
Important Factors in Flow Measurement
Important Factors in Flow Measurement are viscosity, density, specific gravity, compressibility, head loss, discharge coefficient, and beta ratio.
Electronic Pressure Sensors Principle
Electronic Pressure Transmitters / Sensors Principle Most electronic pressure sensors incorporate different elements as the primary pressure detector, and it is used to vary a measurable electrical quantity to produce…
Potentiometric Level Measurement Principle
Potentiometric level measuring principle can only be used with a minimum conductivity of 50 μS/cm for all electrically conductive media (e.g. pure water). The level probe (sensor) consists of a…
Difference between Different Types of Flow Meters
Comparison of Different Types of Flow Meters like magnetic, orifice, ultrasonic, turbine, venturi, Coriolis, pitot, vortex, etc.
Interview Questions for Instrumentation
Find the top interview questions for Instrumentation Engineers and must read instrumentation & Control Question bank list for attending the interview. Instrumentation Questions Explain Bernoulli’s theorem. State its application. Bernoulli’s theorem…
Types of Bourdon Tube
Basically they are designed to follow the physical law that, within the elastic limit, stress is proportional to strain (Hooke’s Law), that is deflection is proportional to the pressure applied.…
4-20mA Junction Box versus Fieldbus (FF) Junction Box
How will a field JB of conventional 4-20mA connection look different from that of FF JB. Conventional Junction box Convectional Junction box contains Terminal Strip and Earth Strip/earth bus bar…
