A load cell converts a force (usually the gravitation force from an object being weighed) to a strain which can…
Enclosures are designed to isolate apparatus from certain conditions. In addition they are used to protect personnel from unsafe, accidental…
In many process control systems, microprocessor based programmable logic controllers are used for decision making due to the sophistication of…
Smart/Intelligent pressure transmitters are microprocessor-based, and they provide additional functional capabilities beyond their basic role of just sensing and representing…
Consider the circuit below: Figure 1(a) thermocouple signal amplifying circuit From the figure above, the sensing junction and reference junction…
The resistance temperature devices (RTD) can be connected directly to the controller peripheral amplifiers using 2-wire, 3-wire or 4-wire lead…
Protection against high currents and voltages is a very important requirement for signal processing circuits. A high current can be…
A stepper motor is a permanent magnet or variable reluctance DC motor that has the following characteristics: It is able…
Servo motors are continuous motion mechanisms that use feedback signals to provide position and velocity control in a closed loop…
The protection method used in a specific hazardous location depends on the application, the technology available and the specific explosive…