Pro
du
ct Sp
ecifica
tion
sM I C R O T O M Y
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
www.thermoscientific.com/pathology© 2015 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientific and its subsidiaries.
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