Ashcroft GC30 Panduan Petunjuk Pemasangan dan Pemeliharaan - Halaman 17
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differential pressure transducer
Juga untuk Ashcroft GC30: Panduan Memulai Cepat (7 halaman)
Halaman Cetak
Maximum/Minimum Pressure Capture
The GC30 unit keeps the maximum and minimum pressure level applied to the pressure port
as peak and bottom values respectively, in the internal memory. The peak and bottom values
are displayed while holding the
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 following procedure:
Resetting Maximum value: While holding the
Resetting Minimum value: While holding the
Key lock
Key operations can be turned off to prevent inadvertent overwriting of setting values. Once
the key lock state is set, the function setting, comparator setting, zero point adjust, and loop
check modes cannot be accessed. The key lock mode cannot be reset by turning the power
OFF and ON. It may be reset only by following the unlocking procedure.
To lock, press the MODE +
one second, indicating that the unit has entered into the key lock state.
To unlock, press the MODE +
indicating that the unit is unlocked.
13. errOr DISPlAY
An error message and pressure value are alternately displayed when one of the following
errors occurs in the measurement mode (In case of "Out of pressure display range" error, only
error message is displayed). Check the content of error message and take the action below
immediately.
error
display
Out of pressure display range (Upper limit)
Pressure above 110% FS of pressure had been
fff
applied, or the indicated value exceeded 1999.
Out of pressure display range (Lower limit)
-fff
Pressure below –10% FS had been applied, or
the indicated value fell below –1999.
Pressure applied during the zero point
e-0
adjustment,was outside the range by
± 10% FS
e-1
Comparator 1 overloaded
e-2
Comparator 2 overloaded
e12
Comparator 1 & 2 overloaded
keys respectively. Message pe+ is displayed for one
or
keys in measurement mode. The message displays lo
keys again. The message displays
Contents
17
key, pressure the
key, press the
key.
Actions
Adjust the applied pressure
within the rated pressure.
Open the unit to atmosphere
and perform zero point
adjusment.
Drop load current below
80mA before use.
Turn power on again to
recover from error status.
key.
unl for one second
for