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Used: Thermo Microm HM 550 OVPD Cryostat 956464 Microtome w/ Blade Holder & Vacutome

Meets Manufacturer Specs and Backed by 90-Day Warranty

Quick Overview

Backed by a 90-Day Warranty - Your instrument works, or we repair, refund, or replace.

Used - A pre-owned and tested product that may show signs of wear.

Flat-Rate Freight with Custom Crate ($380) - The instrument is protected by a custom-built, foam-padded crate.

AdID: 17431

Availability: In stock


Thermo Microm HM 550 OVPD Cryostat in Excellent Condition -- Recharged Refrigeration, Tested, and Cleaned

Fully tested and working, this Microm HM 550 OVPD is verified to meet manufacturer cooling specifications across the board. We recharged the refrigeration and the chamber now cools to -35°C and the objective cools to -49°C. Everything has been tested, which also includes the..

- Vacutome
- Peltier
- Microtome components
- Handwheel
- Interface buttons

Free of any frills and accessories that you may or may not want, this HM 550 will make an excellent supplementary processor for your lab.

Recharged Refrigeration System

To ensure the refrigeration is operating at manufacturer specification, our technician performs a full evacuation of the refrigeration system and refills it with new refrigerant. The recharge process involves the following:

- Vent system of refrigerant
- Apply 250-micron vacuum to test for leaks, remove debris, and boil off moisture in lines
- Nitrogen purge three times to clear lines for preventative maintenance
- Refill system with new refrigerant
- Confirm system is operating to manufacturer specification

Equipped with Automatic Disinfection, Vacutome, and More

The HM 550's integrated disinfection system permeates the chamber with a 3-5 micron mist, ensuring that the entire chamber is cleaned effectively.

Besides its disinfection system, this HM 550 also includes:

- Cooling head for chilling individual samples
- Integrated vacutome for wrinkle-free sectioning
- x4 specimen discs
- Disposable Blade Carrier with vacuum assist port
- Front tray, rear waste tray
- Both side shelves
- Power cable

Note: disposable blades acquired separately

From a Professional Dealer to your Lab

New Life Scientific is an experienced scientific vendor with a history of positive customer experiences. You can have confidence in our technical evaluations and our warranty knowing that we have actual in-house technicians who inspect, test, service, and repair the various instrμments we receive.

After examination and thorough cleaning, products often leave our shop meeting manufacturer specs. When you buy from New Life Scientific, you’re free to contact us at any time for after-sales support concerning any questions or issues that may arise, even after your warranty expires.



Thermo Scientific



Cat. No.


Serial No.


Chamber temperature control

0°C to -35°C

Fine sectioning thickness

1 to 100 µm

Trim sectioning thickness

5 to 500 µm

Horizontal feed


Vertical stroke


Dimensions (W x D x H)

28.5” x 30” x 47”

Power Requirements

115V, 60Hz, 12A