Synchronous Motor Working Principle

A motor is an electro-mechanical device which converts electrical energy to mechanical energy. and a 3 phase motor runs at synchronous speed is called synchronous motor.Synchronous motor mainly runs on…

Basics of Grounding

Why Ground? Poor grounding not only contributes to unnecessary downtime, but a lack of good grounding is also dangerous and increases the risk of equipment failure. Without an effective grounding…

HART Protocol and Fieldbus Interview Questions

The following are the HART Protocol and Fieldbus Interview Questions listed with answers. HART Protocol and Fieldbus Interview Questions   HART Communication Protocol (Highway Addressable Remote Transducer) 1. Define HART. HART is an…

Clamp Meters Working Principle

Clamp Meters using Current Transformer for AC Measurement Current transformer clamp meters are equipped with rigid jaws of made of ferrite iron. The jaws are individually wrapped by coils of…

Introduction to RTDs

Resistance Temperature Detectors (RTDs) rely on the predictable and repeatable phenomena of the electrical resistance of metals changing with temperature. The temperature coefficient for all pure metals is of the…

Difference Between 2 wire RTD, 3 wire RTD, and 4 wire RTD’s

Difference Between 2 wire RTD, 3 wire RTD, and 4 wire RTD's RTDs (Resistance Temperature Detectors) are offered with 2, 3, or 4 lead configuration.  The best configuration for a…

Difference Between Clamp Meters and Multimeters

A digital multimeter is essentially a voltage-measuring tool with some current abilities. A clamp meter is basically a current-measuring tool with some voltage abilities. They are distinctly different instruments, each…

Oxygen Safety Analyzer

Most living things require oxygen to survive. The oxygen you breathe combines with nutrients from the food you eat to produce energy in a form usable by your body. If…

Industrial Networking and Wireless Interview Questions

Industrial Ethernet and Wireless Communication Questions. Also Read Industrial Networking and Wireless Interview Questions with Answers.

Definition of Accuracy, Precision, Resolution, Range

Accuracy: An instrument’s degree of veracity—how close its measurement comes to the actual or reference value of the signal being measured. Resolution: The smallest increment an instrument can detect and display—hundredths,…