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MAC-02 pv Curve

I measured the voltage coming of the sense (greeen)
and ground (black) wires inside my MAC-02 computer.
A linear fit to the data gives the following.

voltage = 0.21 * PSIG + 1.40 or  

voltage = 3.07 * BAR - 1.67

At 1.8 bar this is less than 20 millivolts off previously
reported values.  Not bad considering the width of the 
needle on my guage.  The value at 1.8 bar is 3.86 volts.

paul timmerman