Electronics > Beginners
Car startup current measurement with clampmeter
phawrel:
A diesel car has usually a high startup current drawn from battery. A clampmeter is the rational solution to use when I want to see the variation of the DC amperage drawn from the battery during those 0.5 seconds (up to 1 second) needed for engine startup.
I know that Fluke has a clampmeter that does exactly that (e.g., clampmeter able to measure DC amperage with the clamp -- duh ! -- every 20 milliseconds or faster).
But I surely don't have the cash for a Fluke. Can anybody please recommend a more affordable solution ?
mr.fabe:
Take a look at the Uni-T UT210E. It measures AC/DC amperage and costs around $40-50. I used it to find parasitic draw on a Honda.
Microcheap:
Check if the hantek cc-65 (max 65A) or cc-650 (650A) current probes http://www.hantek.com/en/ProductDetail_15_77.html you can find then on aliexpress for about US$45. If you look in the forum there are a review of the cc-65, it looks very decent for the price.
Benta:
Forget the UT210E, 100 A is not enough.
The Hantek CC-650 could be an option.
You're looking at 500 A cranking current minimum,but it could go far higher depending on engine size.
cs.dk:
I've got a Brymen BM089 for that purpose. It's at 130€ - https://www.tme.eu/en/details/bm089/meters-and-acdc-clamp-probes/brymen/
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