Triplett !

Recently I was working on a project and realized that it would have been nice to have a 2nd multimeter to measure current while the Radio Shack meter was measuring voltage. In addition, the Radio Shack is getting creaky, previously mentioned here:

https://wb9kzy.blogspot.com/2025/03/loss-of-trust.html

And finally, a customer made a kit inquiry asking about Morse weight measurement aka duty cycle. Well it turns out that a lot of recent meters can measure both frequency AND duty cycle, nice !

I looked at the inexpensive Fluke meters which aren't cheap at over $100. And the HP Keysight handhelds are like twice that much. But one name caught my eye: Triplett.

https://wb9kzy.blogspot.com/2022/11/tempted-by-triplett.html

Triplett has a range of offerings but this one is about the cheapest that includes frequency and duty cycle:

notice the Hz/Duty button and the Hz% rotary switch position

https://www.triplett.com/products/mm350-4000-count-true-rms-auto-ranging-digital-multimeter

True RMS ? Yeah, sure :) but it also has a temperature probe, again: NICE ! and it can measure capacitance, too.

The only problem: no battery test but I can live without that. So I ordered one from DigiKey for $43.45 - high hopes !

https://www.digikey.com/en/products/detail/triplett-test-equipment-and-tools/MM350/13178659

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Triplett !