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From Paul Michelow - 28.3.2014
Looking for very inexpensive ph sensor. Looking for something like those in the very inexpensive water test units that sell for $5 to $20 on line. This is for a low cost consumer item in multi K quantities.
From: B.V.Prasad - 15.4.2013
I am faceing trouble with my H2s gas detector, when it is connected to very near to IS barrier with out ground it shows very high value instead of Zero. Operating voltage is 24v. When I connected more than 50m it is ok. Make. Drager.
Can u help to find reason.
From: David Downes - 11.2.2013
I hope you can help me out, I am looking for a sensors for a variety of applications all of which are related to measuring utilities, electric, gas and water.
Application #1. Electric Meters.
I am looking for a sensor that will sense the rotating disk on an electric meter, I have tested this with standard photoelectric and they work but they are far too expensive, I need to find something similar to that used by a company called NorthQ.
Some electric meters also have LEDs pulsing on the front panel of the meter, I would be looking for a device to sense this also.
Application #2. Gas Meters.
Application #3. Water Meters.
Most water meters have a rotating dial on or below the front surface of the meter, this is what we need to sense.
The above applications are all price sensitive and would be treated as an OEM project. Quantities are hard to declare at this stage, however, interest in our product is good, we need to reduce our costs significantly.
UMAC Systems Ltd.
Ph +353 86 4665200.
From: Francis Dibia - 30.1.2013
I am an employee at ArcelorMittal Dofasco in Canada and Im looking for a way of measuring how much moisture is left on a 20m wide steel strip to avoid corrosion in the near future. The strip is cold rolled to reduce its thickness and in the process, coolant (mixture of water and oil) is sprayed on it. After spraying it passes through a vacuum to suck up the coolant so any moisture left on the strip is invisible to the human eye. The strip goes to an inspection station where several tests are carried out on the strip but theres no way of telling if the moisture left on the strip is enough to indicate imminent corrosion.
P.S. There are no environmental specifics.
Phone #: +1 (905) 719 8152
Lux measuring from the sealing
Hey everyone I have to build a device witch I can install to the sealing and that tells me how bright it is on the floor. I thought of a normal Photodiode witch I shielded from the sides and pointed it towards the floor but the problem is that depending to the surface I point my sensor on I get different reflections. Has anyone an idea how to avoid that problem? Or is there an existing Sensor?
From: Manohar Pawar
We are looking for sensor to identify the difference between tapped hole and untapped hole in machining with online detection system. We are intending to use media which can change the color of tapped hole which can mixed with water soluble fluid which use in machining.
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