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Pentair Greenspan PS7000 User Manual page 21

Pressure sensor

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The Advanced Sensor Configuration screen allows the user to modify parameters such as Local Gravity,
Specific Gravity and customized engineering units; it also lets the user to re-calibrate the pressure sensor
using single point or two-point calibration.
Enter a new value directly into the text field.
There are two alternatives in specifying a value:
Where no temperature compensation is required, deselect Use Full Density Polynomial and enter a fixed
value to the Specific Gravity field. The user can specify the coefficients of a fourth-order density polynomial
for temperature compensation. To do this, select Use Full Density Polynomial and enter the desired
coefficients in the corresponding fields; The Specific Gravity field will be greyed out and changed to value of
1.
The interface also lets the user enter customized engineering units, together with offset and gain for both
pressure and temperature readings; note that these unit settings only affect digital outputs displayed on the
main screen.
Use Reset All to return to unity gain, zero offset, meters of water and degrees Celsius.

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