Tuttnauer - 3850EP
by Tuttnauer

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Tuttnauer® Model 3850EP Autoclave

The Tuttnauer® Model 3850EP autoclave is designed for sterilizing laboratory and medical equipment, media and even liquids. The Tuttnauer® autoclave provides fast, safe and dependable sterilization without any need for special plumbing or venting. Tuttnauer® autoclaves are manufactured with 316L stainless steel sterilization chambers which are highly corrosion-resistant. These autoclaves feature a fast exhaust option which reduces cycle time for solid goods and a slow exhaust option which releases chamber pressure slowly and prevents boiling over of liquids. Cold air pockets are eliminated by continuous pressure purging which ensures uniform sterilization.         
The autoclave includes a 3.25L water reservoir which allows complete control the purity of the sterilizing steam and allows repeated use without the need to refill very often. The integral drying cycle prevents corrosion of expensive instruments and also dries absorbent materials. The autoclave also includes a low water level alarm which prevents damage to the heating elements. Tuttnauer® autoclaves feature a double-locking door that is insulated for high heat and protects lab personnel from accidental burns. The door cannot be opened when chamber is pressurized by means of a dead-bolt mechanism for added safety.         
Tuttnauer® Model 3850EP features microprocessor control with digital display of pressure and temperature. Includes an integrated printer which validates each sterilization cycle by recording elapsed sterilization and drying time, real time and real date, temperature, pressure, cycle number, and program type. Sterilization temperature and pressure are printed every minute. The printer produces the sterilization process summary at the end of each cycle with all documentation. When errors or interruptions occur during the cycle it is documented with the reason for the failure on the printout.         
These autoclaves also features four adjustable, single push-button programs which provide reproducible sterilization cycles for items to be sterilized. Laboratory personnel can enter and store operating parameters of temperature (105 to 137°C, 221 to 279°F), sterilization time (0 to 59 minutes), pressure (0 to 40psi), and drying time (0 to 99 minutes). Parameters can also be set and store temperature in °C or °F as well as pressure in either psi or bar. In-line filters protect all pressure valves. Diameter x Depth: 15 x 20-Inch. Capacity: 65-Liters. Includes support stand and two removable and adjustable stainless steel tray shelves to accommodate varying sizes and heights of laboratory instrumentation, glassware and vessels. Electrical: 220V/2400W.

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General Safety Features

  • Double Independent Monitoring: The combined electronic and mechanical monitoring guarantees accurate results. The operator has two independent means to monitor temperature and pressure.   

  • Safety Valves: The chamber is equipped with safety valves – if the pressure exceeds the allowed limit the safety valves will discharge   

  • Built-in Steam Generator Safety: A water level monitoring system maintains a constant water level and ensures safe operation of the heaters   

    Control Features   

  • High precision control system for perfect sterilization results   

  • Password protection allows for secure access control   

  • Independent temperature and pressure monitoring   

  • Cycle information recovery in the case of power failure or cycle interruption   

  • Fail Alert – Indicates cycle failure or interruption   

  • Door Alert – Indicates the door is unlocked   

  • RS 232 PC Connection Port for direct software updates and remote maintenance   

  • Automatic, Digital Control; Chamber Diameter x Depth: 15 x 20-Inch; Capacity: 65-Liters; Includes support stand and 2 Stainless Steel Tray Shelves (14 x 20-Inch)         

  • Includes: 60-Minute Timer, Integrated Printer, 3.25-Liter Reservoir & Low Water-Level Alarm.          

  • Temperature Range: 105 to 137°C (221 to 279°F)Digital display of temperature & pressure.

  • Heating time to 273°F (134 °C): 30-MinutesHeat-insulated, double-locking door protects against accidental burns. Door cannot be opened while chamber is under pressure.         

  • Automatic low water level shut-off prevents damage to heating elements when there is insufficient water for the sterilization cycle. UL Listed, CSA Certified & ASME Stamped.


Height525 mm
Chamber Height380 mm
Length 695 mm
Chamber Depth490 mm
Width660 mm
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