Electrical Construction & Maintenance

DC Testing of Circuit Breakers

So you have power circuit breakers at your facility, and they seem to be just fine, sitting there quietly doing their job. What you may not realize is that even though your circuit breakers are ...
EDN

In-Circuit Testing of Diodes and Rectifiers

We have all had difficulty testing diodes in-circuit. Most DMM’s have a diode Vf function that measures forward drop, but what is the normal voltage drop? Analog VOM’s attempt to measure resistance of ...
EDN

The basics of testing op amps, part 1:

A version of Part 1 appeared in the Dec. 2011/Jan. 2012 issue of Test & Measurement World. See the PDF. In January 1979, Electronic Test published an article claiming that a single test circuit that ...
Business Wire

inTEST to Add Electronic Circuit and Electric Vehicle Battery Testing Capabilities with Planned Acquisition of Acculogic Inc.

MT. LAUREL, N.J.--(BUSINESS WIRE)--inTEST Corporation (NYSE American: INTT), a global supplier of innovative test and process solutions for the automotive, defense/aerospace, industrial, life science, ...
Electronic Design

The Importance of Test Points in Circuit Design

Why are test points a crucial element in developing a successful circuit? Types of test points available, and the different techniques that employ them. Electronic design has always been an endeavor ...
Electrical Construction & Maintenance

Tip of the Week: Medium-Voltage Circuit Breaker Testing

Table 100.19 from ANSI/NETA MTS-2011 provides recommended test voltages for proof testing and field testing medium-voltage power circuit breakers and switchgear. These three tests should be in your ...