Operating instructions

50 METTLER TOLEDO DE40/50/51 Density Meter
Functions
Select Show Check List Execute to
display the list of the last 10 checks
performed
The whole list can be printed
pressing the <PRINT> key.
The results of such a periodic check
are automatically stored in the
instrument. You can view the last 10
checks performed.
Select the data you are interested in
and press <ENTER> to get the full
data dispayed.
10.7.2 Periodic Adjustment (Calibration)
The instrument has to be adjusted from time to time. You can either choose the time
according to your special needs i.e. perform it when the periodic check fails for example two
times successively, or you can define a certain time period after which the instrument will
remind you to repeat the adjustment.
The results of these adjustments will automatically be stored by the instrument. You can view
at any time the last 10 adjustments performed and also print out the list for documentation
purposes as described below.
Select function 6 "Periodic Calib." and confirm with <ENTER>.
The display will show the due date
for the next periodic adjustment.
This due date is calculated
automatically by the instrument
according to following settings.
Confirm with <ENTER>.
Select the periodic adjustment
(Calib. Alarm) to be "On" or "Off",
and confirm with <ENTER>.
< Show Check List >
No. Date Ref.Value Meas. .
10 13/07 0.86683 0.86686 NG
9 6/07 0.86683 0.86685 OK
8 29/06 0.86683 0.86684 OK
7 22/06 0.86683 0.86684 OK
6 15/06 0.86683 0.86682 OK
< Show Check List >
Date :13/07/1998
Standard :TOLUENE
Temp. : 20.00 °C
Ref.Value : 0.86683 (+- 0.00002)
Meas.Data : 0.88686 (NG)
Exit :[Execute]
< Periodic>
Periodic :Check Calib.
Next Calib.Date :19/07)1998
Calib.Alarm :Off On
Calib.Interval :[ 7]day
Show Calib.List :[Execute]
Exit :[Execute]
< Periodic>
Periodic :Check Calib.
Next Calib.Date :19/07)1998
Calib.Alarm :Off On
Calib.Interval :[ 7]day
Show Calib.List :[Execute]
Exit :[Execute]
< Periodic>
Periodic :Check Calib.
Next Calib.Date :19/07)1998
Check Alarm :Off On
Check Interval :[ 7]day
Show Check List :[Execute]
Exit :[Execute]