On 7/26/21 10:37 AM, Grant Saviers wrote:
Probably others have or would like to have what I am searching for:
A multimeter with a couple hundred feet remote readout. Best if the
readout was on my android phone, but a pc would be acceptable. The
need is troubleshooting stuff happening at the tower/up the tower at
the end of cables, etc. when manipulating stuff at the station.
The are infinite cheap (<$40) digital meters available, a lot of
searching found one with bluetooth on amazon:
Tekpower TP4000ZC PC Based USB Interfaced Auto Ranging Digital Multimeter
Seems it has sketchy software support. Then the bluetooth range is
inadequate so a range extender of some sort is needed. (at both
ends?). wifi seems like the better technology for direct range and
battery size in a handheld isn't much of a constraint.
Any solutions out there being used or created?
Given the competition <$40 in the VOM market, I would think a wifi
enabled meter would find a niche.
You might do better looking for a WiFi data acquisition module -
measuring current is a bit tricky, but voltages are easy. A rPi or
BeagleBone Wireless with a WiFi would probably do.
Labjack is pretty pricey, but has been around a while, and there's lots
of software support on all platforms.
Another approach is a wifi camera pointing at your test instrument(s) of
choice.
There are also some long range serial links available (non-bluetooth)
and you could connect to a serial interface DMM.
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