| Products > Test Equipment |
| Good clamp meter for low DC currents |
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| Martin72:
Thank you, it could hardly be any clearer... ;) Then I'll test the Benning CM11 at work next week. |
| Martin72:
--- Quote from: BILLPOD on December 30, 2023, 02:12:53 pm ---Well Martin, at least you got batteries with yours :clap: --- End quote --- And a screwdriver ! :D |
| Kean:
--- Quote from: Martin72 on December 31, 2023, 05:22:07 pm ---Thank you, it could hardly be any clearer... ;) --- End quote --- I was a bit surprised at the final results in the 1-5mA range, as I didn't expect them to read so close to the actual value. I did have to re-do the zero a couple of times to get them stable at the start, and again when they did an auto power off twice mid-way through all the measurements. My UT210E #1 device has a note on it that it was not reading stable values when I used it in early November, but it came good after cycling the range switch a few times. The other two UT210Es have a note that they read low, which matches the results. I bought these UT210E's on ebay from a Chinese seller back in 2017. ST-337 #1 (aka TENMA IN05268) has been my go-to clamp meter. I hadn't noticed that ST-337 #2 was also reading more than 10% low. I bought these both from Element14, one in 2009 and the other in 2012. From the serial numbers, it looks like #1 is actually the older one. These each cost more than all three of the UT210Es. I can't find a record, but it looks like I probably bought the Fluke 771 back in 2008 at the RS trade counter. That would make sense as 2008 is when I started doing my electronics consulting business. Back then it would have cost close to 20x the price of a single UT210E bought nearly 10 years later, and is still at roughly the same multiplier now. If the Benning CM11 was available in Australia, and was available for less than 10x the cost of a UT210E, then I might consider getting one of those as well. :-DD |
| BILLPOD:
I got the screwdriver, but no batteries, which is no biggie, as they are probably junk alkaline that would leak and ruin the meter. I put in a pair of Nimh, but I don't think they will last long, as supposedly the meter cuts out at 2.2 volts. I am considering lithium primaries, but wonder how the higher voltage will play out :blah: |
| Kean:
The OP hasn't replied at all, so I'm wondering if they got the answer they were after... or just have more questions... They've been active on the forum since starting this topic, and even the last few posts, but not actually posted anything new. |
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