Measuring Temperature, Pressure and Flow

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joseluistrigo
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Measuring Temperature, Pressure and Flow

Post by joseluistrigo » Thu Sep 25, 2008 6:25 am

I want to measure of a system that has three cycles: Hot Water, Cold Water and Cooling water; each of them needs to measure the Temperature, Pressure and Flow going into the system and Going out just the Temperature. So I have 12 Sensors.
For the Temperatures and Pressures is not problem, I can use a ADC-24 High-Resolution Data Logger because has 16 Channels, but the problem is the Flow which send a pulse signal.
Can any one tell me what Hardware can I use for to measure the Flow and if is possible to connected to the ADC-24 High-Resolution Data Logger so I can control all my instruments in the same program and to display them simultaneously on the Computer for Monitoring and recording?

Thanks
Jose Luis Trigo Villavicencio
NOWUM ENERGY
Jülich, Deutschland

picojohn
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Post by picojohn » Thu Sep 25, 2008 12:50 pm

Hello joseluistrigo,

You may wish to consider making a small circuit based around something like an LM2917 to convert flow rate pulses to a voltage which is proportional to flow.

Regards
John

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