KROHNE MFC 300 EN - Manual (Page 99)

OPERATION
6
99
MFC 300
www.krohne.com 02/2012 - 4000498602 - MA MFC 300 R03 en
6.5.4 Density calibration (menu C1.2.1)
Mass flowmeters are calibrated for density in the factory. Density calibration is based on 2
calibration points. In the factory, air and water are used under reference conditions. The result
of this calibration is saved in the converter electronics and stored in the factory settings.
Regardless, various applications require maximum accuracy which can only be achieved with
on-site calibration.
Available options:
Example of 1 point calibration with town water
Option Explanation
1 Point Calibration One of the 2 saved calibration points is replaced by customer calibration.
The signal converter decides which of the 2 calibration points is modified.
2 Point Calibration The user recalibrates both calibration points.
Default The signal converter reactivates the factory settings for the density
calibration.
Manual The user can read the current density calibration points and enter them if
necessary (according to sensor calibration certificate).
Key Display Description and setting
> A Quick Setup Press and hold for 2.5 s, then release
the key.
2 x ↓ C Setup
2 x > C1.1 Calibration
↓ C1.2 Density
2 x > C1.2.1 Density Calib.
Break
Press ^ to exit density calibration
menu.
↓ C1.2.1 Density Calibration?
Default
Press ^ for density calibration.
Factory calibration on OK (6 x ^).
↓ C1.2.1 Density Calibration?
Manual
Press ^ to read or change the
current density calibration value.
↓ C1.2.1 Density Calibration?
2 Point Calibration
Press ^ to start 2 point calibration.
↓ C1.2.1 Density Calibration?
1 Point Calibration
Press ^ to start 1 point calibration.
^ C1.2.1 DCF1
XXXXXXXXX
Press ↓ until you reach town water.
Press ↓
until
C1.2.1 DCF1
Town Water
Press ^ to start town water
calibration.
^ C1.2.1 Single Pt. Calib.
Break
↓ C1.2.1 Single Pt. Calib.
OK
Press ^ to start single point
calibration.
^ C1.2.1 Perform Calibration
Passed
5 x ^ Save Configuration?
Yes
^ Measuring Mode
.book Page 99 Monday, February 6, 2012 11:01 AM