instrumentation

The Principle of Piezoelectric Sensing

The piezoelectric transduction is based on the conversion of mechanical vibrations into electrical signals and vice versa. The piezoelectric effect…

1 year ago

Gamma Spectroscopy Measurement Technique

Gamma spectroscopy is a radiochemistry measurement technique that determines the energy and count rate of gamma rays emitted by radioactive…

1 year ago

Passive vs. Active Sensors

Sensors are normally used to convert physical variables like pressure to signal variables. Sensors are also often termed to as…

1 year ago

Manipulating Devices & Actuators in Process Instrumentation

The function of the manipulating device is to influence the process variable. Its main purpose is to regulate a mass…

1 year ago

Designing a System to Measure & Display a Shaft Rotation Speed

We would like to design a system to measure and display the rotational speed of a shaft. To accomplish this,…

1 year ago

What is a Microsyn Transducer?

This is a variable-reluctance transducer used to detect small motions, giving output signals as low as 0.01° of changes in…

1 year ago

Steam-heated Reboiler Control System

When steam-heated reboilers are used in distillation columns and the heating medium is steam, a flow control loop for the…

1 year ago

Installation Considerations of an Orifice Plate Flow Sensor

If a constriction is placed in a pipe as shown in figure 1 below, the flow must be higher through…

1 year ago

Furnace Control System for a Rapidly Changing Demand

Let’s consider the figure below: Figure 1.0 Typical single-fuel cross-limited combustion control system In the system above, the output of…

2 years ago

Industrial Process Temperature Control System

Let’s consider the industrial process control system shown below: Figure 1.1 Industrial Process Temperature Control System The requirement is to…

2 years ago