Ashcroft GC55 - Differential Pressure Transducer with Digital Display - Manual (Page 20)

20
Maximum / Minimum Pressure Capture
The GC55 unit keeps the maximum and minimum pressure level applied
to the pressure port as peak and bottom values respectively, in the inter-
nal memory. The peak and bottom values are displayed while holding the
▲ or ▼ keys respectively. Message is displayed for one second
and selected Max/Min value is displayed by this operation. Maximum and
minimum values are reset when you reset power to the unit or by the fol-
lowing procedure:
Resetting Maximum value: While holding the ▲ key, press the ▼ key.
Resetting Minimum value: While holding the ▼ key, press the ▲ key.
Key Lock
In measurement mode, press the + keys after the mes-
sage displays for 1 second, indicating that the unit has entered
into the key lock state. All operations except Maximum / Minimum hold dis-
play and display selections cannot be accessed. The key lock mode can-
not be reset by turning the power OFF and ON. It can be reset only by fol-
lowing the unlocking procedure.
Press the + keys, message displays for
1 second and key lock is canceled.
unl
MODE
lo[
SEL MODE
SEL
pe+
When zero adjustment is successful, displays. When in –1999
to 1999 of display range, adjustment can be done.
On DP display scaling of function mode , zero adjustment value is
reset and returns to initial value when each setting changes.
displays for 1 second when DP zero adjustment cannot be done.
adj
e-0
et[