Capacitive Pressure Transducer

[temaire]

I'm using a Setra Model 264 Low Differential Pressure Transducer to measure pressure differences in a water manometer. However, I am getting outputs in voltage using a voltmeter and want to know how to convert these voltages to pressure in mm H2O.

 

[MintJulep]

RTFM.

 

[KiwiMace]

The specified range of the pressure input will have a linear relationship with the specified range of the (voltage/current) output.

Gosub MintJulep.

 

[IRstuff]

Your site has a datasheet with all the relevant information.

TTFN

FAQ731-376
Chinese prisoner wins Nobel Peace Prize

 

[DRWeig]

Call Kele (USA) 901-382-4300 and ask for tech support. Doesn't matter if you bought it there or not. They'll walk you through it.

Good on ya,

Goober Dave

 

[simsd]

It's quite straight forward.

Need the voltage range and the pressure range. Here's an example:

Assume you are using the standard voltage output of 0 - 5 VDC.

And let's say the range is 0 - 2.5 in. wc.

If you are reading 2 volts on your meter then you would convert as follows:

(2 volts x 2.5 in. wc.)/ 5 VDC = 1 in. wc.

I noticed you asked for mm, so I'll let you do the conversion.