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Questions tagged [test-equipment]

Anything related to test equipments such as multimeter and so on...

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11
votes
5answers
6k views

What parts would one typically use for automated PCB testing?

I have a circuit board in production, primarily through-hole, to the tune of ~400 units per year. Each one is manually inspected and tested. The board has ten distinct voltage rails, four voltage ...
7
votes
3answers
5k views

Why are non-contact voltage detectors sensitive to vibration?

I have noticed that if I slap a non-contact voltage detector against my palm, the LED blinks. I have tried this with four six different detectors, each a different brand, and each clearly a different ...
3
votes
4answers
5k views

Is there such a thing as a pin (or pogo pin) clamp for testing?

I'm an amateur tinkerer of electronic components, and was wondering if a product like I'm about to describe exists for testing components. Say you have an arduino pro mini board. You want to access ...
8
votes
4answers
2k views

What equipment do I need to test an eye diagram for USB?

I'd like to test USB full speed with a goal of testing high speed (480 Mbit/s), I have a tek scope that does 300 MHz (which I could upgrade to 500 MHz) and I'm looking at a 500 MHz differential probe. ...
14
votes
1answer
1k views

What is a “universal bridge”?

I recently came across this intriguing instrument from the 1970s(?): It's a "Universal Bridge" made by Wayne Kerr. It's not a type of device I've come across before and I'm curious what these are (...
7
votes
4answers
4k views

What is a good way to test maximum current?

I am building a device that can power other devices (it has a voltage regulator, battery controller, etc...). What is a good way to measure how much current it will provide, and/or test if it will ...
2
votes
2answers
315 views

10 MHz reference distribution (daisy chaining vs. BNC tees vs something else)

10 MHz is the quasi-standard for reference clock in measurement equipment. Most boxes have "REF in" and "REF out" or "10 MHz in"/"10 MHz out". In my case, I have a measurement setup consisting of an ...
1
vote
2answers
2k views

How to check if there is electric current on material surface?

If there is electric current on a material surface (but not an obvious thing like outlet hole or such), what is the best tool to check it ? Is it possible to use multimeter? Example case: There is a ...
0
votes
1answer
126 views

What is “mains outlet tester” (for proper wiring) in the context of US power connector standard?

I'm curious about this comment. It says what ... in the US or UK you should be able to go to a hardware store and buy an outlet tester for very little money. This is a little plastic housing ...