Rotary Microtome HM 340 E
MICROM International GmbH
Robert-Bosch-Str. 49
D- 69190 Walldorf 386 200 - English
PART 1 INTRODUCTION
1-1 DESCRIPTION OF THE ROTARY MICROTOME HM 340 E
The Rotary Microtome HM 340 E from MICROM International GmbH is a highly efficient multi-purpose
microtome which can be used for paraffin, hard- and semithin-sectioning techniques in biology, medicine,
industry and research.
The HM 340 E sets new ergonomical standards concerning operation and comfort. The instrument is
equipped with a section waste tray with integrated arm rest, which is built around the knife carrier for direct
collection of section waste.
This model can be equipped with all specimen clamps and knife carriers of the Rotary Microtome
HM 300 series. This also includes segment arc, universal specimen holder and glass knife carrier S for glass
and diamond knives. In addition, the stereomicroscope, the large field magnifier and the backlighting system
can be adapted.
Further additional equipment for the HM 340 E are the storage unit with cooling insert for cassettes, brushes
and tweezers as well as the automatic approach system.
The HM 340 E will cut sections in a range from 0,5 µm up to 100 µm. For the protection of knife and
specimen, the instrument retracts the specimen at the end of the cut. If desired, the function <retraction> can
be turned off.
The motorized coarse feed system allows the continuous specimen forward and backward travel with three
different speed settings. This way, specimen and knife edge distance can be adjusted quickly.
A trimming function with defined steps from 5 µm to 500 µm permits the fine adjustment up to the first cuts
and results in larger section thicknesses when trimming.
The operating panel is installed on the left side of the microtome. It can be removed and used separately.
The selected section thickness, trimming thickness, section counter, sum of section thicknesses and
remaining travel to the front end position are indicated on the display of the operating panel.
The knife carriers are designed so the knives can be easily clamped in place and adjusted.
In addition, the instrument is equipped with a handwheel brake that locks in any position.
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