Midmark Ritter M9 Ultraclave Autoclave Steam Sterilizer



The Midmark M9 Steam Sterilizer uses a small footprint to drive big productivity. If space is limited in your steri-center, the M9 makes a good fit. This sterilizer is designed to help optimize your instrument processing workflow while maintaining safe and reliable sterilization.


Steam-flush pressure ulse air removal system ensures proper steam sterilization.

Easy to Use

Pre-programmed sterilization cycles and intuitive LCD display with prompts ensure quick, confident operation.


Real-time alerts notify users promptly of any critical system errors.

Award Winning

Year after year, Midmark® Sterilizers have won both the Dental and Ortho Townie Choice Awards®.

    Product Enquiry

    Please fill out the form so we can get basic info from your enquiry:

    SKU: MID-1000-002 Category:


    Overall length w/plug:
    20.38″ (51.8 cm)

    Overall width:
    15.3″ (38.9 cm)

    Overall height w/printer:
    16.1 in (40.9 cm)

    Minimum countertop area:
    17.88″ D x 15.3″ W (45.4 cm x 38.9 cm)

    9″ diameter (22.9 cm)
    15″ depth (38.1 cm)
    3.5 gal usable volume (13.4 liters)

    Two large –
    7.3″ W x 12″ L x 0.8″ D
    (18.6 cm x 30.5 cm x 2.2 cm)

    Two small –
    5.6″ W x 12″ L x 0.8″ D
    (14.3 cm x 30.5 cm x 2.2 cm)

    Pouch Rack:
    5-slot pouch rack
    1 included with sterilizer
    Additional racks available for purchase

    Unit weight:
    73 lb (33.1 kg)

    Shipping weight:
    81 lb (36.7 kg)

    Water reservoir capacity:
    1.1 gal (4.1 liters)

    Electrical requirements:
    115 VAC, 50/60 Hz, 15 A single phase
    115 VAC has 1,425 W tubular immersion heater
    230 VAC, 50/60 Hz, 10 A single phase
    230 VAC has 1,500 W tubular immersion heater

    Installation: Use on a level, water-resistant material such as laminate, stainless-steel or stone. Allow 2.0″ (5.08 cm) on sides and rear, and 5″ (12.7 cm) above to allow space to fill reservoir and change the printer paper roll.

    Safety standards:
    UL listed to US and Canada standards
    UL 61010-1, 2nd edition
    IEC 61010-2-040, 1st edition
    CAN/CSA C22.2 No. 61010-1, 2nd edition
    CSA C22.2 No. 61010-2-040-07, Part 2-040, 1st edition

    Meets the requirements of ASME Boiler and Pressure Vessel Code.
    A separate (dedicated) circuit is recommended for this sterilizer.

    IEC 60601-1-2 Edition 4.0 2014-02
    CISPR II:2009, A1:2010 Class A, Group 1
    IEC 61000-3-2:2014, Part 3-2
    IEC 61000-3-3:2014, Part 3-3
    ANSI/AAMI ST55:2010(R)2014
    ANSI/AAMI/IEC 62304



    Additional information

    Weight 36.7 kg
    Dimensions 51.8 × 38.9 × 40.9 cm


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