| Products > Test Equipment |
| Handheld, fast DMM with manual range, constant backlight and no auto off exists? |
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| LinuxHata:
Everything said in the title. So far, I was only able to find FeelElec DMMs which have backlight constantly on and auto off can be turned off. But they are auto range and can't measure amps. Any other with requested features? |
| mqsaharan:
Hi LinuxHata, You haven't provided much details. How fast is fast enough? Is 3 times/second OK? If yes, then cheap Fluke 15/17/18 Plus and 15/17Max fit your description. Just hold down yellow button while turning it on and it'll cancel both auto power off and backlight timers. You can turn them off individually as well with different button combinations. Both meter and the backlight will remain on until batteries run down. Also, they have reasonably long battery life. There is also Range hold button to use it in manual range. There must be other DMMs with your required features. Hopefully, other users will chime in with suggestions. |
| kloetpatra:
I'm pretty sure many DMMs have the requested features. You just have to dig into the manual. - I thought! Uni-T UT117 for example. https://f00.psgsm.net/product/913851/ut117cuser-manual-english.pdf 2. Disable auto-off backlight: hold down "HOLD" button while power-on 3. Disable auto-off function: hold down “Select” button while power-on Well, it looks like Uni-T didn't think of that. Because when holding both buttons while power-on, neither of the two options is disabled. |
| coromonadalix:
or the uni-t mcu does not accept that option by design, one or the other not both |
| LinuxHata:
Yes 3 times a second will be ok, but 5 times would be better standard 5999 resolution would be enough. For the uni-t multimeters, I had one, on which you can disable the auto off, but it needs to be done on each power up, and while it won't turn off, it will beep for each 5 minutes :D A lot of people does not know, but same feature exists in PeakMeter, Fnirsi and lot of other Chinese multimeters. And for disabling I meant once and permanently - for example, in these FeelElec multimeters, this is done via menu - and there you can even select the default measurement type on power on. |
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