Lost Rangeman's Sensor Cover
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  1. #1
    Member kmbijit's Avatar
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    Lost Rangeman's Sensor Cover

    I was cleaning my Ranger and the sensor cover fell off the bezel and straight into the sink hole. (Sensor cover is the plastic thingy covering the sensor, see pic below)
    Right now I am wearing my watch without the sensor cover, just the bezel over the steel sensor plate.


    • Will it cause dust to accumulate on the sensor or cause a malfunction?
    • The steel sensor plate is perforated...is it sealed against entry of dust and water into the watch case?
    • Can I cut out a plastic tab and insert it into the bezel to act as a cover?


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  2. #2
    Member Steelerswit's Avatar
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    Re: Lost Rangeman's Sensor Cover

    have you run water down the drain? if not, it will be in the U trap. some channel locks and remove the U joint and it will e there.
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  3. #3
    Member fcasoli's Avatar
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    Re: Lost Rangeman's Sensor Cover

    No problem to work well, surely can accumulate more dust, and water but I think not inside the watch.
    Can you order this item from Pacparts
    The best Casio G-Shock is the next one...

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  5. #4
    Member MainePorsche's Avatar
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    Re: Lost Rangeman's Sensor Cover

    Quote Originally Posted by kmbijit View Post
    I was cleaning my Ranger and the sensor cover fell off the bezel and straight into the sink hole. (Sensor cover is the plastic thingy covering the sensor, see pic below)
    Right now I am wearing my watch without the sensor cover, just the bezel over the steel sensor plate.


    • Will it cause dust to accumulate on the sensor or cause a malfunction?
    • I would consider it a risk without a cover
    • The steel sensor plate is perforated...is it sealed against entry of dust and water into the watch case ?
    • Likely is for the little plastic sensor cover is not a pressurized watertight device.
    • Can I cut out a plastic tab and insert it into the bezel to act as a cover?
    • To act as a dirt/dust shield - I would.


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    Have you run much water through that drain ? If you didn't, I'd get a basin and drain the trap. If not much flow of water has passed over it, you can likely retrieve it.


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  6. #5
    Member kmbijit's Avatar
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    Re: Lost Rangeman's Sensor Cover

    Quote Originally Posted by Steelerswit View Post
    have you run water down the drain? if not, it will be in the U trap. some channel locks and remove the U joint and it will e there.
    Quote Originally Posted by MainePorsche View Post
    Have you run much water through that drain ? If you didn't, I'd get a basin and drain the trap. If not much flow of water has passed over it, you can likely retrieve it.
    There's no U-bend, it's a straight pipe!! MainePorsche's points taken, will cut a plastic tab to the same size and use it to cover it up the steel plate.
    Looking at my other Rangemans, I did observe that the sensor cover isn't water-tight at all. Once submerged, water easily reaches the steel plate, so I am assuming, the plate is sealed against water. So now I wondering what purpose does the cover actually serve? Is it to keep the dust out? Or maybe to keep the 'mud-resistant' tag on the Rangeman, just like the bottom protectors on the mudman? I can't see any explanation beyond that!

  7. #6
    Member MainePorsche's Avatar
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    Re: Lost Rangeman's Sensor Cover

    Quote Originally Posted by kmbijit View Post
    There's no U-bend, it's a straight pipe!! MainePorsche's points taken, will cut a plastic tab to the same size and use it to cover it up the steel plate.
    Looking at my other Rangemans, I did observe that the sensor cover isn't water-tight at all. Once submerged, water easily reaches the steel plate, so I am assuming, the plate is sealed against water. So now I wondering what purpose does the cover actually serve? Is it to keep the dust out? Or maybe to keep the 'mud-resistant' tag on the Rangeman, just like the bottom protectors on the mudman? I can't see any explanation beyond that!
    Yes, that sensor needs to have 'crud' kept out. The perforations allow the atmosphere to make contact with a transducer to extrapolate a reading for the pressure. If those channels get blocked you'd get erroneous readings.


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  8. #7
    Member Steelerswit's Avatar
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    Re: Lost Rangeman's Sensor Cover

    in the future, may i suggest one of these

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  9. #8
    Member kmbijit's Avatar
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    Re: Lost Rangeman's Sensor Cover

    Quote Originally Posted by MainePorsche View Post
    Yes, that sensor needs to have 'crud' kept out. The perforations allow the atmosphere to make contact with a transducer to extrapolate a reading for the pressure. If those channels get blocked you'd get erroneous readings.
    Isn't that counter-intuitive? I mean, if the perforations are meant to make contact with the atmosphere for an accurate reading, covering it up would again make the readings inaccurate - won't it?
    Effectively, having crud on the perforations or having a cover on the perforations would end up having the same effect!!!!

    Just wondering...

  10. #9
    Member MainePorsche's Avatar
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    Re: Lost Rangeman's Sensor Cover

    Quote Originally Posted by kmbijit View Post
    Isn't that counter-intuitive? I mean, if the perforations are meant to make contact with the atmosphere for an accurate reading, covering it up would again make the readings inaccurate - won't it?
    Effectively, having crud on the perforations or having a cover on the perforations would end up having the same effect!!!!

    Just wondering...
    That little sensor cover is not air tight. It's just there to impede particulates from getting into the sensor's avenues to the air.


    Timepieces

    2017 CASIO G SHOCK GWN 1000H 9AJF
    2017 CASIO G SHOCK GWN Q1000NV 2AJF
    2017 CASIO G SHOCK GWN Q1000MB 1AJF
    ​2017 CASIO G SHOCK GWN Q1000K 7AJR ICERC
    2017 CASIO G SHOCK GWG 1000DC 1A5JF
    2017 CASIO G SHOCK GWF D1000NV 2JF
    2017 CASIO G SHOCK GW 9300DC
    2017 CASIO EDIFICE EF 305 1AV
    1990 ROLEX GMT II M16713LN STAINLESS/GOLD

  11. #10
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    Re: Lost Rangeman's Sensor Cover

    I haven’t lost my sensor but after cleaning bezel and reassembling it I noticed that the cover moves just a bit when I shake the watch side to side. Readings seem correct. No water leakage. But the cover seems just a tad loose. It is slotted correctly. It looks like the bezel (a couple of years old has stretched some in the picture). Name:  IMG_0995.JPG
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