Operating instructions

METTLER TOLEDO DE40/50/51 Density Meter 33
Measuring parameters
O.S.Rate: The instrument will detect how much time it needs from starting the pump
until the sample reaches the measuring cell and will add the O.S.Rate to
this time.
Sampling Limit:This is the sampling time which should not be exceeded. After this time the
pump automatically stops.
Select the input mode of the drain
time:
Set : Manual input, time is set by
the operator.
Auto: Automatic setting of drain
time. (see section 8.7).
Off : No draining.
If you have selected "Set" you have to enter the drain time (0 to 9999 s). A typical drain time
for non-viscous samples is about 10 s to 20 s.
If you have selected "Auto" you have
to enter the Drain Rate. The
instrument will use this percentage
of the sampling time as drain time.
Select the input mode of the Rinse-1
time:
Set : Manual input, time is set by
operator.
Off : No Rinse-1.
If you have selected "Set" you have to enter the Rinse-1 time (0 to 9999 s). We recommend
to use a dedicated solvent for your sample as Rinse-1 solution.
Select the input mode of the Rinse-2
time:
Set : Manual input, time is set by
operator.
Off : No Rinse-2.
Method 0 < Meas.Parameter > VA
Sampling : Off Set Auto
O.S.Rate :[ 70]%
Sampling Limit :[ 0]s
Drain : Off Set Auto
Drain Rate : [ 100]%
Method 0 < Meas.Parameter > VA
Rinse-1 : Off Set
Rinse-1 Time :[ 10]s
Rinse-2 : Off Set
Rinse-2 Time :[ 10]s
Purge : Off Set Auto
Method 0 < Meas.Parameter > VA
Rinse-1 : Off Set
Rinse-1 Time :[ 10]s
Rinse-2 : Off Set
Rinse-2 Time :[ 10]s
Purge : Off Set Auto
Method 0 < Meas.Parameter > VA
Sampling : Off Set Auto
O.S.Rate :[ 70]%
Sampling Limit :[ 0]s
Drain : Off Set Auto
Drain Time : [ 10]s