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Ritter M9 UltraClave Automatic Sterilizer


Ritter M9 Ultraclave-fully Automatic Sterilizer with automatic door and easy to operate


The M9 autoclave couldn’t be easier and is time tested for reliability.

You simply load it…set it…and forget it.

  1. Select your cycle and the time is set for you.
  2. Press “Start” and the M9 fills with the correct amount of water.
  3. Once the sterilization process is complete, the door opens automatically and quietly to dissipate the steam, giving you fast drying time for your instruments.

Features include:

  • Exclusive automatic-opening door for ease of use and a quick drying time
  • 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

  • LCD Display for easy view of indicators

  • Easy front access for filling and draining and controls that are easy to understand;


Ritter M9 UltraClave Automatic Sterilizer


Programmable cycle features allow custom creation of different cycle parameters for special sterilization needs.

Programmable buttons allow you to change the following:

  • Time (3 to 90 minutes),
  • Temperature (230 to 275˚F),
  • Dry Time (0 to 60 minutes),
  • Vent (slow or fast) and two program buttons allow you to store the custom cycles.


Pre-programmed sterilization cycle controls:

  • Unwrapped (132º C or 270º F for 3 minutes),
  • Pouched (132º C or 270º F for 5 minutes), and
  • Packs (121º C or 250º F for 30 minutes).

The display Indicates cycle selected, cycle temperature and exposure time for selected cycle. 



  • Unit weight: 73 lbs. (33.1 kg)
  • Shipping weight: 81 lbs. (36.7 kg)
  • Overall length w/plug: 20.4" (51.8 cm)
  • Overall width: 15.3" (38.9 cm)
  • Overall height w/printer: 15.8" (40.1 cm)
  • Minimum Countertop area: 15.3" x 17.9" (38.9 cm x 45.4 cm)
  • Countertop area: 15.3” x 20.38” (38.9 cm x 51.8 cm)



  • 9" diameter (22.9 cm)
  • 15" depth (38.1 cm)
  • 3.5 gal. usable volume (13.4 liters)



  • Two large – 7 5/16” W x 12” L x 7/8” D (18.6 cm x 30.5 cm x 2.2 cm)
  • Two small – 5 5/8” W x 12” L x 7/8” D (14.3 cm x 30.5 cm x 2.2 cm)
  • Water reservoir capacity: 1.1 gal. (4.1 liters)

Electrical Requirements

  • 115 VAC, 50/60 Hz, 15 AMPS Single Phase
  • 115 VAC has 1425-watt tubular immersion heater
  • UL61010A-1, UL61010-2-041
  • CAN/CSA C22.2 No. 1010
  • CAN/CSA C22.2 No. 1010.2-041-96

Safety Standards
UL61010-1, UL61010-2-040
CAN/CSA C22.2 No. 61010-1
CSA C22.2 No. 61010-2-040-07 Part 2-040

Meets the requirements of ASME Boiler and Pressure Vessel Code

Canadian Registration Number (CRN) available

A separate (dedicated) circuit is recommended for this sterilizer



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