KROHNE BW 25 EN - Manual (Page 38)

6
OPERATION
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BW25
www.krohne.com 09/2010 - 4000432302 MA BW25 R05 en
3.10 4mA CALIBR. This menu item allows precise calibration of the current
output. The device generates a fixed analogue output of
4.00 mA. If the measured value differs from the one
displayed, the measured value must be entered. When the
menu is exited, the corrected value is saved.
3.11 20mA CALIBR. This menu item allows precise calibration of the current
output. The device generates a fixed analog output of 20.00
mA. If the measured value deviates from the displayed one,
then the measured value must be input. When the menu is
exited, the corrected value is saved.
3.12 ALARM
CURRENT
OFF Measured values > 100% are indicated as a current signal
up to a maximum of 22 mA.
ON In the event of an error the current output is set to the fixed
value of 22m A.
3.13 END & UNIT The level meter and end value can be changed.
3.13.1 LEVEL For a units list, see Section 7.4 of the manual
3.13.2 Inactive
3.14 Inactive
3.15 INP. CODE YES The input code is used to prevent authorised adjustment of
the measurement parameters. The input code is not active
by default. If YES is selected, the last code entered must be
typed in. The default code is: → → → ^ ^ ^
↑ ↑ ↑ If, after confirmation with YES, the key → is pressed,
then a new individual, nine-digit code can be typed in. The
display shows the required key combination.
NO
3.16 BASIC
SETTING
YES This menu item can be used to select the calibrated basic
setting. This can be helpful if operating data have been
changed a number of times. This menu item cannot be
used to reset the calibration.
NO
MA_BW25_R05_en_432302_PRT.book Page 38 Tuesday, September 28, 2010 8:17 AM