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Thermo Scientific HM 450 Sliding Microtome

Course feed speed buttons – moves specimen clamp upwards and downwards.

Clearance angle adjustment

Sledge handle

Operating knob – press to choose between FEED and TRIM. Rotate to change menu settings.

Clamping screws to secure knife or disposable blade holder

Disposable blade holder (not included)

Orientation knobs

Knife guard

Knife sledge

Standard specimen clamp (not included)

Clamping level

Feed/trim toggle button

Sledge lock – locks sliding mechanism in place

Scroll

Reset or clear

Memory function

Menu button

Dimensions: (W x D x H): 370 mm x 460 mm x 320 mmWeight: 23 kg

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Anatomical Pathology 4481 Campus DriveKalamazoo, MI 49008UNITED STATES

Tudor Road, Manor ParkRuncorn, WA7 1TAUNITED KINGDOM

+1 (800) 522-7270

+44 (0) 800 018 9396+44 (0) 1928 534 000

MXXXXX R2/15

Technical Data Stable, distortion-free basic construction with zero-backlash and maintenance-free cross roller bearings

Enclosed housing with protected, interior feed mechanism via stepping motor

Automatic and manual feed from 0 to 100 µm

Automatic feed independent of specimen size via reversing the sledge (can be turned off)

Specimen retraction during knife return travel (can be turned off)

Section thickness feed: 0.0µm to 100µm: Trimming thickness: 5 to 500 µm: up to 5 µm in 0.5 µm steps up to 30 µm in 5 µm steps up to 20 µm in 1 µm steps up to 100 µm in 10 µm steps up to 30 µm in 2 µm steps up to 200 µm in 20 µm steps up to 60 µm in 5 µm steps up to 500 µm in 50 µm steps up to 100 µm in 10 µm steps

Compensation for heat extension via stepping motor: 2 µm

Total specimen stroke: 40 mm

Maximum sledge travel: 190 mm, can be locked in any position for safety

Specimen orientation via co-axial one-handed adjustment

Quick change system of the specimen clamping

Co-axial knife angle adjustment without having to open the knife clamping

Integrated knife guard

Dimensions: (W x D x H): 370 mm x 460 mm x 320 mmWeight: 23 kg

ControlsScroll button: Scrolls through different information in the second line of the display.

• Current time and date• Number of sections since last reset• Section thickness sum

• Remaining travel in μm (40,000)• Blank line

Reset or clear button: Resets section counter or sum.

Memo button: Memory function of the first cut position (not stored when unit is turned off)

Menu button: Menu functions as follows:

• Process modeAutomatic: • The feed of selected thickness is

advanced when knife sledge is moved from the return travel into cutting direction

Manual: • The up arrow coarse feed button must

be pressed for specimen to advance• Retraction: ON/OFF• Speed for coarse feed: Sets speed of

coarse advance * 400 µm/second ** 700 µm/second *** 1000 µm/second

• Select language: English, German, French, Italian, Spanish, Chinese, Japanese, Danish, Norwegian, Swedish, Finnish

• Select display mode:Normal Display• Displays feed vs. trim indication

and thickness• Status indications• Section counter, sum of thickness,

remaining travel, time• Automatic or Manual mode• Retraction on or off• Coarse Feed SpeedBig Display• Displays only active section thickness

in large detail• Symbol for feed or trim sectioning

• Time and date: In European date format.• Service menu: For service technicians only

To change selections in the submenu, rotate operating knob to select option and press knob to confirm selection.

Ordering Information

Description Order Number

HM 450 Sliding Microtome 910020

Includes: Microtome, additional ballast to adjust sledge weight, 5 mm Allan key, 6 mm Allan, dust cover, four rubber feet with lower height, operator guide

Optional Accessories

Description Order NumberDisposable blade holder for low profile blades with excentric fast clamping

705200

Disposable blade holder for high profile blades with excentric fast clamping

705340

Wooden case for low and high profile disposable blade holders with excentric fast clamping

152160

Wooden case for disposable blade holder for two low-profile blades

705500

Standard specimen clamp 45 x 80 mm 715480

Standard specimen clamp 45 x 80 mm with drip tray 715470

Standard specimen clamp for longitudinal clamping of specimen blocks

715140

Universal cassette clamp 715500

Universal adjustable cassette clamp with drip tray 715490

Universal adjustable cassette clamp 715510

Universal adjustable cassette clamp for macro cassettes

716110

Universal adjustable cassette clamp for Macroflow cassettes

716140

Quick release clamp for embedding rings 716080

Quick release clamp for embedding rings with drip tray

716090

Drip tray for later adaption on standard and universal cassette clamp

502140

Dry ice tray, 75 x 75 mm 715400

Dry ice tray, 100 x 85 mm 715410

Dry ice tray, 130 x 110 mm 715420

Height adjustment plate, 5 mm 448070

Height adjustment plate, 10 mm 440400

Height adjustment plate, 20 mm 440410