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1 Introduction
858 Professional Sample Processor
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1 Introduction
1.1 Area of application
The 858 Professional Sample Processor is an instrument with many appli-
cations that was conceived for preparing samples for ion chromatography.
Inline filtration, dialysis, preparing dilutions, sample preconcentration,
inline calibration, partial loopfill, etc. are techniques that can be used with
the 858 Professional Sample Processor without any problem. The entire
array of sample preparation techniques can be automated in time-saving
manner.
Thanks to its proven USB interface, the 858 Professional Sample Processor
can be integrated into Metrohm instrument systems in a flexible manner.
The instrument is always controlled by means of a high-performance PC
software, e.g. MagIC Net from Metrohm.
The equipment with a Swing Head with a robotic arm makes it possible to
approach any given point on a sample rack. As a result, the number (maxi-
mum 999 rack positions) and sequencing of the samples on the sample
rack is almost completely unlimited. Customer-specific special racks for
individual requirements can be fabricated upon request.
1.2 Instrument description
The 858 Professional Sample Processor has the following characteristics:
￭ Turntable with interchangeable sample rack. The prefabricated sample
racks can hold various numbers of different vessel types and sizes. Any
number of reserved special positions can be defined on the rack.
￭ Tower with a robust lift. The lift is equipped with a precision drive with
robotic arm to which a needle holder or other working heads can be
attached.
￭ Three MSB connectors (Metrohm Serial Bus), each for controlling an
800 Dosino, an 801 Magnetic Stirrer or a Remote Box, etc.
￭ Two USB connectors, with which e.g. printers, keyboards, barcode
readers or additional devices, such as Dosing Interfaces, etc., can be
directly connected.
￭ Two connectors for a peristaltic or a membrane pump.
￭ Stirrer connector on the tower, for propeller stirrer or magnetic stirrer.
Depending on the model:
￭ Two-channel peristaltic pump
￭ Returnable injection valve
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