Metrohm 823 Membrane Pump Unit - Manual (Page 9)

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1 Introduction
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1 Introduction
1.1 Instrument description
The 823 Membrane Pump Unit is a versatile membrane pump. It was
designed specifically for the production operation and laboratory environ-
ment and enables a wide range of applications. Particularly when used in
a Metrohm automation system with Sample Processor and various analysis
instruments, it is of indisputable service in processing large sample series
in the complete titration area and in various measuring applications or
other analytical tasks.
The 823 Membrane Pump Unit uses the membrane pump principle (see
Chapter 2.1, page 6) and is suitable for pumping all types of liquid
media.
Note
The 823 Membrane Pump Unit is not suitable for pumping liquids with
solids content.
The flow rate of at least 450 mL/min opens up a wide range of applica-
tions.
1.1.1 Model versions
The 823 Membrane Pump Unit is available in the following three versions:
2.823.0010 823 Membrane Pump
Unit
2.823.0020 823 Membrane Pump
Unit with aspiration equip-
ment
2.823.0030 823 Membrane Pump
Unit with rinsing equipment
Each version includes different accessories according to its use (see Chap-
ter 9, page 23).