Amazon’s cheapest multimeter teardown: The DT-830B

A teardown of Amazon’s cheapest multimeter the DT-830B by Electronupdate: Purchased the cheapest multimeter I could find so I could extract the integrated circuit. A surprisingly simple IC! The actual meter design was much as expected. Poor attention to detail for higher voltages, concerning lack of fuses on current measurements… pretty thin feeling probe set. […]

Vintage multimeter – Weston 6000

Teardown and repair of a Vintage multimeter – Weston 6000 by KuzyaTech: Another addition to my growing collection of vintage multimeters is this Weston Schlumberger Model 6000 meter from the mid 1970s The meter was listed as in almost like new condition except for a spot on the front panel. It came with (very rubbery) test […]

Agilent 34461A miniseries part 1 Histogramm and Cdf

Michael Rubitschka writes: Today I received a Agiltent 34461A Truevolt multimeter from Xtest.at the Austrian Agilent distributor. I plan to write some articles about this  multimeter and especially about features which imho separates it from it’s competition. I am a Hewlett Packard / Agilent fan but I will try hard to be as unbiased as […]

Add auto turn-off to a cheap multimeter

Florin was tired of wasting batteries every time he forgot to turn off his multimeter. He hacked together an auto-shutdown: I bought this multimeter(Minipa ET-870C) a while ago for $17, great value. I got it because its nice to have around multiple meters for when you wanna measure both input and output voltage/current. I believe […]

Micropower data collection

Here’s Big Mess o’ Wires on  micropower data collection: Hallelujah! After substituting an external 32768 Hz crystal as the timer clock source for my hiking data logger, I’ve reduced the sleep mode (LCD off) supply current to less than 0.01 mA! It’s actually below the resolution of my multimeter– the meter just reads zero. Previously […]