an easy fix? (blind) humidifier filling

Don pianotuna@accesscomm.ca
Mon, 10 May 2004 15:13:24


Hi Jim,

If you fill til the light just stops blinking--then it will blink again
vary soon. I believe they are searching for a method that would allow *all*
the units to be filled whether the lights are "on" or not.


At 09:53 AM 10/05/2004 -0600, you wrote:
>Ed, Mark,
>
>What's wrong with filling 'til the light stops blinking? Am I missing
>something?
>
>Jim
>
>-----Original Message-----
>From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of Ed
>Sutton
>Sent: Sunday, May 09, 2004 7:55 PM
>To: College and University Technicians
>Subject: RE: an easy fix? (blind) humidifier filling
>
>Hey, Mark! 
>Here's an idea for you:
>Attach a length of aquarium tubing in the tank such that it ends at the
>desired water level.
>While filling the tank, the student blows through the aquarium tubing. 
>When the air starts to bubble in the water, the student knows the tank
>is
>filled.   A little wacky, but I believe it would work, and I know how
>important it is in Brandon to keep the humidifiers working!
>Ed Sutton
>
>
>> [Original Message]
>> From: Mark Cramer <Cramer@BrandonU.CA>
>> To: CAUT <caut@ptg.org>
>> Date: 5/7/2004 2:01:32 PM
>> Subject: an easy fix? (blind) humidifier filling
>>
>> It occurs to me there may be a simple(r) solution to "blind" filling
>of
>> humidifiers in grands with bottom covers, but I honestly need some
>feedback
>> from the tinkerers among us to know if it's worth pursueing:
>>
>> Note that you can often hear the water "trickling" into the tank until
>the
>> level rises above the end of the hose.
>>
>> Stop the flow of water before the hose-level is reached, and the
>"trickling"
>> stops.
>>
>> While pouring until the hose is almost submurged, then stopping, will
>cause
>> a "gurgling" sound, as air enters.
>>
>> Filling beyond this point is silent (until the tanks overflows)
>however,
>> when you lower the pitcher, the water-flow will reverse.
>>
>> So it seems several "audible" indicators of water-level already exist,
>> without a need to "manually" check the tank.
>>
>> One difficulty however seems to be "hearing" the trickling sound, and
>> noticing when it stops. The sound is often very faint.
>>
>> I'm wondering if some really, really simple fixture could be added to
>the
>> end of the hose to make the "trickling" sound LOUDER, more distinct?
>>
>> If so, our watering assistants could merely add water to EVERY piano,
>by
>> schedule, rather than demand.
>>
>> They could add water until the "trickling" sound stops.
>>
>> If the tanks were still full, there would be no "trickling" sound, and
>air
>> would "gurgle" back when they stopped pouring.
>>
>> If over-filled, the pitcher could be lowered to siphon excess water
>back,
>> until the "gurgling" sound indicated capacity.
>>
>> One point Becky Baldwin of Dampp-chaser mentions, is the need for the
>angled
>> slice at the end of the water hose, and that this be set precisely for
>> correct water-level. (sorry, I forget)
>>
>> Anyhow, wouldn't it be nice to face the return of students in fall
>with
>this
>> deceptively simple problem solved?
>>
>> thanks in advance for your input,
>> Mark Cramer,
>> Brandon University
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>
>
>
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>

Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.

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