You Will Receive:

- Thermo Scientific Microm HM 550 P Cryostat Microtome (956424)- Blade Holder Assembly with Glass Anti-Roll Plate- x2 Specimen Discs- Power Cable- 90-Day Warranty

P Option Included with this Cryostat:

- Option P: active deep freezing device with Peltier element

Fully Tested and Working Without Issue:

After its initial disinfection and inspection, our technicians tested the Thermo Scientific Microm HM 550 P cryostat microtome with the following results:

- Chamber temperature to -35°C (manufacturer’s spec): PASSED- Checked sample advance: PASSED- Checked chamber light: PASSED- Checked window heater: PASSED- Verify handwheel brake: PASSED- Checked fan alignment and service: PASSED

Notable Service Performed:

- Recharged refrigeration.- Reinsulated refrigeration lines.- Cleaned undercarriage.- Cleaned refrigeration condenser.- Cleaned chamber with microtome removed.- Cleaned and lubricated microtome and knife assembly.

Notice: This cryostat has some cosmetic blemishes. Please review the available photos to see the physical condition before purchasing.

Specifications:

Manufacturer	Microm
Model	HM 550 P
Cat. No.	956424
Serial No.	36235
Chamber temperature control	-10°C to -35°C
Specimen temperature control	+10°C to -50°C
Fine sectioning thickness	1 to 100 µm
Trim sectioning thickness	5 to 500 µm
Horizontal feed	28mm
Vertical stroke	60mm
Fast freezing station depending on the chamber temperature	up to -35°C
Actively cooled fast freezing station with Peltier element	max. up to -60°C
Defrosting	automatic defrosting, adjustable with temperature controlmanual immediate defrosting
1 to 100 µm Resolution	1 µm from 1 to 10 µm2 µm from 10 to 20 µm5 µm from 20 to 70 µm10 µm from 70 to 100 µm
Trimming thickness range	5 to 500 µm
5 to 500 µm Resolution	5 µm from 5 to 10 µm10 µm from 10 to 100 µm20 µm from 100 to 200 µm50 µm from 200 to 500 µm
Specimen retraction during return travel	40 µm
Vertical specimen stroke	60 mm
Horizontal specimen movement	28 mm
Specimen approach	Automatic functionAlternatively manual with variable speed
Size of chucks	30 and 40 mmspecial sizes upon request to manufacturer
Specimen orientation	X- and Y-axes: universal 8° with zero positioningZ-axis: up to 360°
Coarse feed	motorized, graduated, single and continuous
Sliding window	heated
Cooling chamber illumination	with variable illumination position
Dimensions (W x D x H)	28.5 x 30 x 47 in
Power rating	115V, 60Hz, 12A
Weight	275-342 lb (125-155 kg) depending on the model

Microm HM Microtome

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