Buchi SpeedDigester K-439 Bedienungsanleitung PDF herunterladen (Seite 22)

6 Operation

22 K-439 Operation Manual, Version A

6 Operation

This chapter gives examples of typical instrument applications and instructions on how to operate the

instrument properly and safely. See also section 2.5 “Product safety” for general warnings.

6.1 Operating controls and housing

The SpeedDigester K-439 is equipped with electronic temperature control, an integrated LC-display

and a membrane keypad with multifunctional keys.

Up to 50 methods can be programmed, 20 of which are already predeﬁned by default.

A method consists of Preheat step, 4 possible temperature steps and cooling-down time.

The programmed method is visualized graphically and during the digestion process the actual temper-

ature and the set temperature as well as the remaining time are displayed. The current status during

digestion is visualized by the icons at any time.

6.1.1 SpeedDigester K-439 — front side

Heating chambers

LC- display

Membrane keypad

Mains switch

USB interface

The mains switch is illuminated green when the system is switched on•

USB interface — for service purposes only•

Membrane keypad — covered by anti-corrosion foil•

Graphical LC- display•

Two heating chambers•

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Buchi SpeedDigester K-439 Bedienungsanleitung Seite 22