Ashcroft GC52 - Rangeable wet/wet Differential Pressure Transmitter - Manual (Page 23)

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(1) The decimal point position is fixed for each differential pressure range. (Refer to section
10,Power-on Message).
The maximum differential pressure can be set from the value which is 25%F.S above the
minimum differential pressure.
The values under 25%F.S. cannot be increased or decreased by T, S key.
(2) For setting zero point and span point of the analog output, input the percent value over the
maximum display span (between OFFSET and FULL SCALE). Its decimal point position can
be set up to one digit after the decimal point (xx.x).
(3) Regardless of whether pressure is applied or not, the loop check can be activated which
links the display and the output allowing the operator to arbitrarily adjust the output to
check the system, troubleshoot etc (using the T, S keys), ref section 13.4. This example
shows the display set to the span point.