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Author Topic: Digital Multimeter LCD Repair  (Read 3467 times)
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hodahel
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« on: February 14, 2011, 09:27:06 09:27 »

This Digital Multimeter is 15 years old.. Grin and it serves me quite well...but the LCD deteriorates due to old age but I hate throwing it away..

Wheeler WD-81 Digital Multimeter:

This is how it looks before..










Since I can't find any replacement LCD..or even a polarizer..I tried using Pringles...Cheesy and here's the result...















Finished Product!





Cheesy
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mylogin
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« Reply #1 on: February 17, 2011, 07:44:21 07:44 »

from the pictures, looks like a typical water damage problem, (you have flood in your area?) the LCD should be ok, but the aluminum reflector paper under the LCD glass is damaged by water,  just replace it with any aluminum foil/paper will work.  you need to clean the meter, LCD glass, and  use "deoxit" to clean the  switch, socket for the probe.
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ChaosReigns
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« Reply #2 on: February 20, 2011, 03:44:44 03:44 »

from the pictures, looks like a typical water damage problem, (you have flood in your area?) the LCD should be ok, but the aluminum reflector paper under the LCD glass is damaged by water,  just replace it with any aluminum foil/paper will work.  you need to clean the meter, LCD glass, and  use "deoxit" to clean the  switch, socket for the probe.

And the purchase of a good protective case wouldn't hurt either. Wink
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Froggy
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« Reply #3 on: February 20, 2011, 07:16:22 07:16 »

the LCD should be ok, but the aluminum reflector paper under the LCD glass is damaged by water,  just replace it with any aluminum foil/paper will work

Hi
isn't it what he do using the prigles box to rebuild the reflector?

agrea with you a nice clean would be nice
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hodahel
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« Reply #4 on: March 03, 2011, 09:24:41 09:24 »

No...It was never been in flood water...Cheesy

the foil with the adhesive on it simply peeled off...Sad
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