Metrohm 838 Advanced Sample Processor

2.7 Manual operation
50 Metrohm 838 Advanced Sample Processor, Operation
9
LIFT
manual operation
LIFT: 1 : rest mm
work,rinse,shift,
special,rest,
0…235 mm
Position the lift
With the LIFT command, the lift can be run to a given position.
In addition to selecting an exact position in mm (0 – 125 mm)
the <SELECT> key can select a predefined position (work po-
sition, rinse position, shift position, special position, rest position
= 0 mm). The lowest possible lift position can be set in the con-
figuration menu, see section 2.2.2.
2.7.3 Setting the sample position
7
SAMPLE
manual operation
SAMPLE: = 1
1…999
Define current sample
position
The <SAMPLE> command serves to set the current sample posi-
tion. It defines the first sample tube for the subsequent sample se-
ries.
2.7.4 Pump control
PUMP
4
manual operation
PERISTALT: on s 3
on,off
-15…-1,1…15
Switch peristaltic pump
on/off
The PUMP command is used to switch on/off the peristaltic pump at
the 838 Advanced Sample Processor. The PERISTALT command
switches on or off the peristaltic pump, according to the current
state. Pump rate and rotation direction of the pump drive can be set
in 15 steps. A negative value of the pump rate defines a counter-
clockwise rotation. A positive value of the pump rate defines a
clockwise rotation.
2.7.5 Switching the stirrers
5
STIR
manual operation
STIR: T1 : 1 s
T1, T2, T*,
MSB1, MSB2,
MSB 3; MSB*,*
on, off,
1…9999 s
Stirrer control