The M11 is the largest member of the Ritter 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. Features include:

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3 days ago
Service Manual
Do you have the service Manual for Midmark M11-002Reply


a year ago
Blowong fuses
Hi, I have midmark M11 autoclave. It just started blowing fuses yesterday. I have replaced the fuses and watch when it trips -I close the door and initiate a cycle but as soon as it says it starts heating it blows the fuse. Any thoughts on which component is faulty? Reply


a year ago
ritter m11-003 Serial Number FP-001157 Manufacturing year and cycle
Dears, Please Note that i'm about to buy this product from someone and i need you to guide my how to check manufacture year and how many cycles it really go'es throw . Reply
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  • Exclusive automatic-opening door for ease of use and a quick drying time                  
  • Large 11" by 18" chamber for increased capacity                 
  • SteamFlush 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


Internal Diameter11 in
Chamber Depth18 in
Chamber Volume24.6 L
Height17.8 in
Length 23.8 in
Weight99 lbs
Width17.8 in

Additional Specifications

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)                  
Shipping weight: 131 lbs. (59.4 kg)                  
Water reservoir capacity: 1.4 gal. (5.3 liters) 

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