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The Midmark M11 UltraClave Automatic Sterilizer includes four instrument trays, a stainless steel tray rack, power cord, and a new pre-installed PM (preventative maintenance) kit which includes a new gasket and filters. This unit is fully calibrated to manufacturer specifications, passes spore testing, and has undergone a complete flush of the system.

Warranty: 90 Days - Parts and Labor.

The M11 is the largest member of the Midmark family of autoclaves. Its unique 11" x 18" chamber gives it the distinction of having the largest sterilizing capacity of any standard countertop sterilizer on the market, making it perfect for larger packs and instruments. The steam pressure sterilizer features an intuitive LCD display and simple prompts that help you easily select the cycle you need, whether for unwrapped items, pouches, packs, or handpieces. Once the sterilization cycle is complete, the door automatically opens quietly to dissipate the steam and provide fast, efficient drying of your instruments.

With the emergence of many aggressive, infectious organisms, there is an ever-increasing need for efficient, effective instrument processing in your practice.

This product is primarily used in dental settings, such as a dental office.


Midmark M11 UltraClave Automatic Sterilizer Features

  • Largest capacity of any standard tabletop autoclave.
  • Reliable and effective infection control assurance.
  • Patented automatic-opening door for efficient, safe instrument drying.
  • Air Removal System:
    • 1st Generation: Diaphragm Bellow System.
    • 2nd Generation/Current Model: Steam-Flush Pressure Pulse Air Removal System ensures proper steam penetration.
  • Self program controls enable you to create different cycle parameters to meet specific instrument processing needs.
  • Pre-programmed controls for convenience.
  • Maximum space utilization and a complementary design for your sterilization area.


Midmark M11 UltraClave Automatic Sterilizer Specifications

  • Dimensions: 23.8" (L) x 17.8" (W) x 17.8" (H) (60.5 cm x 45.2 cm x 45.2 cm).
  • Minimum Countertop Area: 21" (D) x 17.8" (W) (53.3 cm x 45.2 cm).
  • Chamber Dimensions: 11" (Diameter) x 18" (Depth) (28 cm x 45.7 cm).
  • Chamber Volume: 6.5 gallons (24.6 liters) usable volume.
  • Trays:
    • Two Large: 9" (W) x 15" (L) x 1.1" (D) (22.9 cm x 38 cm x 2.9 cm).
    • Two Small: 6.6" (W) x 15" (L) x 1.1" (D) (16.8 cm x 38 cm x 2.9 cm).
  • Weight:
    • Unit Weight: 99 lb (44.9 kg).
    • Shipping Weight:
      • 1st Generation: 105 lb (48 kg).
      • 2nd Generation: 131 lb (59.4 kg).
  • Water Reservoir Capacity: 1.4 gallons (5.3 liters).
  • Electrical Requirements: 115 VAC, 50/60 Hz, 15 Amps, Single Phase.
  • Chamber Pressure:
    • At 270 °F (132 °C): 215 kPa (31 psi).
    • Safety Valve Setting: 276 kPa (40 psi).
  • ASME certified.
Pre-Programmed Cycle Sterilization Temperature Hot Cycle Time (Fill, Heat-up, and Vent) Sterilization Time Dry Time Total Hot Cycle Time without Dry Total Hot Cycle Time with Dry
Unwrapped 270 °F (132 °C) 15 minutes 3 minutes 30 minutes 18 minutes 48 minutes
Pouches 270 °F (132 °C) 17 minutes 5 minutes 30 minutes 22 minutes 52 minutes
Packs/Low Temp 250 °F (121 °C) 14 minutes 30 minutes 30 minutes 44 minutes 74 minutes
Handpieces 270 °F (132 °C) 16 minutes 6 minutes 30 minutes 22 minutes 52 minutes


Midmark M11 UltraClave Automatic Sterilizer Configurations

  • #MFI-MMK-M11-020R-PREVIOUS: MPN #M11-005. 1st Generation Autoclaves include M11-001, M11-002, M11-003, M11-004, M11-005, and M11-006.
  • #MFI-MMK-M11-020R: 2nd Generation.


Midmark M11 UltraClave Automatic Sterilizer Accessories

The following accessories are compatible and commonly purchased with the M11 UltraClave Automatic Sterilizer:

  • #MFI-MMK-9A155001: Midmark M9/M11 Thermal Printer - First Generation (Compatible with #MFI-MMK-M11-020R-PREVIOUS).
  • #MFI-MMK-9A259001: Midmark M9/M11 Thermal Printer - Second Generation (Compatible with #MFI-MMK-M11-020R).
  • #002-0371-00: M9/M11 Printer Refill Kit.
  • Speed-Clean Chamber Cleaner:
    • #002-0396-00: Single Bottle.
    • #002-0396-05: Case of 12.
  • #9A215001: M11 Horizontal Cassette Rack.
  • #9A215002: M11 Vertical Cassette Rack.
  • #9A226001: M9/M11 Sterilizer Pouch Rack.
  • #9A307001: Tray and Cassette Removal Tool.

Customer Reviews

Based on 5 reviews
Cherie N. (Missouri, United States)
Midmark M11 UltraClave Automatic Sterilizer

The autoclave is fantastic and our vet loves it. Our vet said it is so easy to use and she could do all of the packs for the whole day instead of having to run it three separate times. It’s also totally automatic so instead of having to go back over and turn the dial every 10 minutes it just warms and runs and dries and opens all on its own.

THEODORE T. (California, United States)
Love this autoclave!

Really good unit, no issues so far.

Ray A. (Utah, United States)
great sterilizer

LOVE our new sterilizer! Plenty of space for our instruments, and works like a charm.

M.L. (Connecticut, United States)
Reliable autoclave

I've used the M9/M11 (all generations) over my 10-year career. I'm happy to report I've had very few issues with this autoclave.

Great to hear! We're so pleased that our autoclave has been reliable for you.

Abigail L. (Georgia, United States)
Works great! Very happy

No complaints.

Thanks for the review! We're glad you're happy with the Midmark M11 UltraClave Automatic Sterilizer - Certified Refurbished.