Operating instructions

22 METTLER TOLEDO DE40/50/51 Density Meter
- Leave the syringe in the sample inlet .
- Press <ENTER>.
While adjusting to the water value
the display shows:
At the end the calibration result is
displayed. The number on the right
side is the calibration factor (see
section 3.2 "Measuring principle")
and can be considered as a cell
constant.
The results of the adjustment are
printed on the attached printer:
When the instrument fails to do the
adjustment it will show the error
message:
In such a case clean the measuring cell well, dry it, and repeat the adjustment. If it fails again,
then exchange the pure water (make sure it really is of the appropriate quality. i.e. our
certified water standard, doubly distilled or correctly deionized). If the adjustment still does
not succeed, contact your dealer for technical assistance.
Getting started
[Calibration]
Date : 29/06/1998 11:15
Result : OK
Temperature : 20.0 °C
OLD –––> NEW
Air
T 845392 845393
d 0.00120 0.00120
Water
T 1086413 1086415
d 0.99820 0.99821
Factor
2.141345 2.141349
Name : Quality Lab 1
----------------
9.ADUST
Temp.(°C)
Set 20.00
Cell 20.00
Calibration
FAILED
9.ADJUST 01-01
Temp.(°C) Oscillation
Set 20.00
Cell 20.00
Calibrating
1086415
9.ADJUST
Temp.(°C)
Set 20.00
Cell 20.00
Calibration
OK 2.141349