Products > Test Equipment
Poll: Handheld meters with minimally-annoying auto power off (APO)
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JOSM:
KAIWEETS HT206D: Beep before APO. A key press wakes it up again.

CEM DT-989 (RND 355-00010, PeakTech 3440, PCE-HDM 10): APO can be disabled. APO timeouts can be configured. 2 key presses wakes it up to primary mode at selected dial.
Per Hansson:

--- Quote from: py-bb on April 03, 2023, 02:21:22 am ---
--- Quote from: Fungus on March 30, 2023, 03:03:32 pm --- :-\ Meters that don't have APO (or can disable APO permanently) and have a really long battery life (1000 hours or more):
Fluke: 27FM   37FM

Other: DT830 ("Harbor Freight")



--- End quote ---

What do I vote if my main meter doesn't just go off? I love it because even the backlight stays on until I tell it to turn it off (so I can leave it on reading stuff)

--- End quote ---
It is for the category quoted above, if it has decent battery life too.
Fungus:
Does anybody have a Hioki DT4282? I'd love to know how APO works on those. I know you can disable it by holding a button when you power it on but does the backlight stay on? What's the power consumption...?
py-bb:
I recently got a Venlab VM-600A and to turn off auto-off you hold the function button when you turn the dial from the off position - I thought that was quite good.

I actually love it, it's a brilliant thing - my only complaint is the usual: backlight doesn't stay on for very long (I want meters that keep the backlight on until told otherwise or the battery dies!)
KungFuJosh:
My favorite handheld meter is still the Amprobe 37XR-A:

It does a single beep and shuts off after 30 minutes. Move dial to avoid shut off, or move dial to turn it back on.

From the manual:
The Auto Power Off feature can be disabled to keep the meter from going to sleep...
To disable the Auto Power Off feature use the following procedure:

1. Set the Function Switch to OFF.
2. Press and hold the MIN MAX AVG button while turning the Function Switch from OFF to the desired function. The SLEEP OFF message shows on the display.
3. Release the MIN MAX AVG button. The Auto Power Off feature will remain disabled until the meter is turned off and then on.

Note: To disable both Auto Power Off and the beeper press and hold the REL button while turning on the DMM.
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