This was posted 10 years 3 months 8 days ago, and might be an out-dated deal.

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Dynamo-powered Multimeter $20 @ Jaycar

50

In-store only, stock confirmed at the Gabba, you creep. Cat III, decent build quality, nice range of features as per below, both auto-ranging or manual with data hold, even has a flick-out stand. Also: 'The unit also has provision to be powered by 2 x CR2032 batteries for those days when kinetic energy is not available.' Has been $100 in the past, currently being cleared down from $40. S'pose the real question is, how often do DMM batteries need changing?

Specifications:

Thing What it Be
Display 4000 count
Safety category Cat III 600V
Basic DC accuracy ±1%
DC voltage 400mV, 4V, 40V, 400V, 600V (±1%)
AC voltage 4V, 40V, 400V, 600V (±2.5%)
DC current 400µA, 4000µA, 40mA, 400mA, 4A, 10A (±3.5%)
AC current 400µA, 4000µA, 40mA, 400mA, 4A, 10A (±3.5%)
Resistance 400R, 4k, 40k, 400k, 4M, 40m (±3%)
Capacitance 40nF, 400nF, 4µF, 40µF, 100µF (±3%)
Frequency 4Hz, 40Hz, 400Hz, 4kHz, 40Hz (±0.3%)
Inductance -
Temperature -
Ave/RMS Ave
Input impedance 10M
Special features Data hold, diode test, continuity test
Dimensions 152(L) x 78(W) x 45(D)mm

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Jaycar Electronics
Jaycar Electronics

closed Comments

  • DMM batteries don't need changing a lot…except when you forget to turn them off after using them…damn, done it again. Apart from the dynamo action it is not worth more than about $20.

    Looking at other DMM in their range I think you would be better spending some more and getting something a bit more useful, like $40 for one with temperature measurement.

    But could be handy as a backup, maybe. But carrying a spare cheap battery is easy too.

  • 3 left at Sydney city store after I called up and had one put aside for yours truly.

  • Can it measure the energy I expend winding up the dynamo?

  • +1

    I don't know if I am sold on the dynamo thing. A good while ago now I got myself a cheap dynamo torch off ebay. Awesome, I thought, now I can be the king of the apocalypse. It was pretty crap though. The charge never lasted long and it was way too much work to charge it constantly.

    I guess I'll have to see how good an expensive one is or hope that the tech improves because it dashed my hopes, that's for sure.

  • Yeah dynamo powered torches are rubbish. And they tend not to last that long before wearing out. So I can imagine this being more hassle than it's worth. Just buy a pack of batteries and a cheaper DMM. They can last years before needing a new battery if you turn them off and don't use them much, which would be the most common scenario I think for people on here.

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