Determine water level in an innovative way
Hi,
I am facing a problem recently and hope to find a solution to it ASAP. I have a big tank which can hold about 2 tonnes of water (meant for drinking. The tank is below ground level and no one has access to below ground level. The traditional method of measuring the water level is to put a dip stick into the tank. However if the dip stick is dirty, it will pollute the water. I am thinking if there is a type of sensor which can meaure the water level without having the sensor touching the water. Hope to hear from you soon. Rgds. |
ROTFLOL... Yep! That sounds about right.
Derek Broughton wrote: wrote: much to complicated. spray the dip stick with bleach, let it dry a bit and use it. any bleach in the water will not hurt anything. Ingrid Much too simple :-) That way nobody gets to buy any toys! I watched far too many government paid workmen using a laser measure (easy enough to get at most hardware stores these days) to measure the level of concrete in footings one day. The laser device was fastened to a measuring stick at (about) 3'. The stick was placed on the ground right beside the hole, and the laser pointed at the concrete. Read the distance from the laser to the concrete off the device, subtract 3' for the distance from ground to laser. I couldn't figure out why they didn't just put the stick in the hole, and read the number off it, but it must have had something to do with the chance to play with toys. It took three or four of them to get these measurements. This of course has some problems. (1) they were guvermint types. I'd be surprised if they remembered to subtract 3'. (2) in your case, you want depth, so you'd need to know beforehand the distance from ground level to the bottom of your cistern. |
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