Amprobe MAN30 Kullanıcı Kılavuzu - Sayfa 8

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Sayfayı Yazdır
Differential Pressure: a measurement of the difference between two pressures, i.e. use
differential pressure sensor to measure gauge pressure by leaving one process connection open
to atmosphere and connecting the second sensor port to your system.
5.
press momentarily and the units will cycle through 5. "inh2o","psi", "mbar", "
bar","mmh2o" which are indicated on the bottom of the display. (for MAN02)
6.
press momentarily and the units will cycle through bar, mmhg, ozin2, Kgcm2, psi, inh2o, kpa,
fth2o, inhg, cmh2o, mbar which are indicated on the bottom of the display (See fig.7 & 8).
(for MAN15 and MAN30)
7.
press momentarily and the backlight illuminates for approx. 30 seconds, then turns off
automatically.
press momentarily to decrease the figure when calibration is being performed.

CALIBRAtIoN MoDE

Calibration mode is only applicable for a standard manometer calibrator or any qualified meter
calibration facility for annual calibration.
1.
first, manually set the display to zero (no pressure applied to the connector ), refer to the
manual zero procedure.
2.
Turn the meter off.
3.
press
� &
to the calibration mode, make sure the units setting on "PSI" to start positive (+) pressure
calibration.
4.
The meter has defaulted as 1.6 psi (for MAN02); 12.00 psi (for MAN15); 24.00 psi (for MAN30)
calibration point, the adjustable pressure range is from 1.5 to 1.7 (for MAN02); 11.70 to
12.30 (for MAN15); 23.40 to 24.60 (for MAN30). if calibration pressure source is not 12.00
psi, increase by pressing
required.
5.
Save the calibration point by pressing
in 2 seconds (See fig. 10). The meter auto-skips to the negative pressure (-) point for next
calibration mode.
6.
follow the same procedure as step 4 for the negative pressure calibration point.
The lCd now displays" -12.00 " and small"CA" (See fig.11 ). perform the necessary calibration
figure. Refer to your pressure standard if needed.
7.
Again save the calibration point by pressing
and then press
the normal mode (See fig. 12 ).
if you can't save by pressing
• The calibration pressure source could be referred to the following table.
• if you entered the right positive pressure (+) or negative pressure (-).
simultaneously, "CA" appears on the display, (See fig. 9 ) the meter enters
key, or decrease by pressing l key to set calibration point as
;"End"and "CA" appear in another 2 seconds. The meter turns back to
key, i.e. no "SA" appeared, please check the followings:
key, "SA" and small "CA" appears on the display
key, "SA" and "CA" appears in 2 seconds
4