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Ingenieurbüro CAT M. Zipperer GmbH

Ingenieurbüro CAT M. Zipperer GmbH

Ingenieurbüro CAT M. Zipperer GmbH

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Laboratory Pumps (HPLH) by Ingenieurbüro CAT M. Zipperer GmbH

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The successful microprocessor controlled DOSCA pump.

The system consists of an ergonomic pump housing and a detachable programming and operating unit with key-pad and alphanumeric display. All relevant parameters, e.g. volume, flow-rate and flow direction, are set via the key-pad on the control unit, which can be used remotely from the pump. The key-pad has 3 function- and 2 hot-keys, plus an analogue encoder wheel for fast data entry, enabling intuitive adjustment of the set values. The back-lit LCD shows both set and actual volumes, flow-rate, and other functions. A choice of units of volume, flow-rate and specific weight can be pre-programmed, e.g. µl, ml, mg, g, µl/s, ml/m. The PCON C controller has a RS232 interface as standard (1200-4800,8,N,1) and the analogue and digital I/O ports provide full flexibility.

Valveless Dosing System for Pumps and Burettes
The heart of our liquid-handling system consists of a rotary-axial piston and a cylinder, both machined from acid-proof ceramics, which is extremely hard and highly chemically resistant. The design of this material makes it very durable and resistant to abrasive fluids, as well as ensuring a long working life with very high accuracy.
The system is self-priming and self-bleeding, so measuring errors due to gas bubbles are avoided. The great advantage of this design is its valveless construction, ensuring minimal dead volume and negating the tendency to jam or leak. Wetted parts are all Al2O3 and fluoroplastics (e.g. PTFE; ETFE, PVDF or FEP).

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