High Precision Cryostat

Newly Designed Cryostat To promote and support high quality tissue sectioning in pathology, dermatology, and histology labs, we have designed and created the RH4622 cryostat as a state-of-the-art freeze microtome. The RH4622 cryostat is a high precision microtome with dual compressors, UV light disinfection, LED touch screen control panel, and much more.


* Extra large freeze chamber has UV light sterilization, automatic defrost, and standby mode.

* LED touch screen control panel is large and easy to use. it show all information including thickness for section and trimming, retraction, temperature control, defrost control, time on / off and so on.

* Top of cryostat allows for easy storage and access to glass slides, stains, and tools.

* Smooth turning hand wheel with 360 locking mechanism.

* Double compressor system allows for fast freezing and robust lifespan of cryostat, and total 5 parts including chamber, blade holder, clamp, freezing shelf and smoothing board in freezing condition

* Waste collection for liquid condensate is safe and easily accessible.

* Specimen holder is easily adjustable and clamps to specimen disc for stability.

* Knife holder is fully adjustable with anti-rolling plate and blade guard. Anti-roll plate with knife guard

* One-Click to return specimen clamp to initial position automatically when clamp reach to limited position

* Molds shaped one-time, Germany accessory and high quality Teflon surface treatment

* Specimen retraction function, protects specimen from blade injury

* Trimming/Cutting button makes it easy to switch from trim and section mode

* Equip with counter to calculate total pieces and thickness.

* The low temperature refrigeration system with pro-environment refrigerant R404

* Temperature can drop to working condition in 40 minutes after switching on.

* Adopt to UVC sterilize for 35 minutes every time to optimize safety for cutting cryosections

* Peltier may be on or off manually.

* Heated, removable sliding window.

* Two defrost methods: definite time and manual, automatic defrost system built in, with cool air circulation that automatically starts to cool air circulating around the cutting specimen, knife, and anti-roll guide

* Fully encapsulated microtome for maintenance free reliability. The high-precision microtome is enclosed outside the cryostat chamber to protect it from thermal expansion and contraction and keep minimum service and maintenance.

* Self-explanatory symbols for all functions and displays, easy to learn and operate.

* Standby mode, after initializing, temperature in cryostat chamber can be controlled between -5 and -15 by computer automatically; when stop initializing, the temperature in freeze chamber will arrive to working temperature within 15 minutes

* Control panel with locking function to avoid wrong operation.

* With vacuum cleaner easy to clean the chamber

* Sensor self-diagnosis function, with an auto detected and alarm system for temperature sensor status

* Wide freezing shelf can put 36 specimens discs and including 8 stations with the Peltier fast-freeze mechanism (blue).

* Knife holder for both of low profile blade and high profile blade



* Item No.RH4622

* freeze chamber temperature rage0℃~-50

* Blade holder and clamp temperature rage0℃~-50

* Cooling down time to -50℃:40 min

* Freeze shelf routine temperature0℃~-50

* Lowest temperature of Peltier unit on freeze shelf-60

* Peltier working time: 15 minutes

* Maximum specimen size55mm×80mm

* Specimen vertical stroke65mm (70mm is optional)

* Specimen horizontal stroke22mm

* Coarse feeding speed: 0.9mm/s; 0.45mm/s

* X/Y-axis:12°, Z-axis:360°, the specimen holder has 360-degree specimen orientation

* Section thickness range1-100μm 0.5μm100μm adjustable: 0.5μm5μm, in 0.5μm increment;5μm20μm, in 1μm increments; 20μm50μm, in 2μm increments; 50μm100μm, in 5μm increments

* Trimming thickness range0μm600μm 0μm600μm adjustable: 0μm50μm, in 5μm increments; 50μm100μm, in 10μm increments; 100μm600μm, in 50μm increments;

* Retraction range: 0μm60μm adjustable; in 2μm increment

* Voltage and frequencyAC220V±10% 50Hz (Standard) Special requirement may customize by order.

* Power500W

* Weight150kg

* Dimensions(W×D×H)700×760×1160mm