process measurement

The Principle of an Optical Pyrometer Temperature Sensor

A heated object emits electromagnetic radiation. At temperatures below approximately 400 °C this radiation can be felt as heat. As…

2 years ago

The Construction & Principle of Operation of Load Cells

A load cell converts a force (usually the gravitation force from an object being weighed) to a strain which can…

3 years ago

Features & Configuration of a Smart Pressure Transmitter

Smart/Intelligent pressure transmitters are microprocessor-based, and they provide additional functional capabilities beyond their basic role of just sensing and representing…

4 years ago

The Conditioning of Thermocouple Sensor Voltages

Consider the circuit below: Figure 1(a) thermocouple signal amplifying circuit From the figure above, the sensing junction and reference junction…

4 years ago

RTD 2, 3, 4 Wire Sensor Connections

The resistance temperature devices (RTD) can be connected directly to the controller peripheral amplifiers using 2-wire, 3-wire or 4-wire lead…

4 years ago

How to Connect a DP (Differential Pressure) Flow Sensor to a DP Transmitter

The DP Transmitter should be mounted with a manifold block as illustrated in the figure 1(a) below to allow for…

4 years ago

Types of Sensors used in Measurement and Process Control

A sensor is an element in a measurement system that detects the magnitude of a physical variable or parameter and…

4 years ago