The M11’s 11″ x 18″ chamber gives it the distinction of being the largest of any standard countertop sterilizer on the market, making it perfect for larger packs and instruments.

Ritter Midmark
Ritter Midmark M11 Ultraclave Rental
With one of the largest chamber sizes of any tabletop sterilizer on the market, the Ritter M11 is designed to optimize sterilization output—reducing time and effort, but not effectiveness.
- Tabletop Autoclave
- 11″ Chamber Size
- Simple & Easy To Use
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Minimum rental term: 1 month
Product details
- Steam–Flush Pressure Pulse Air Removal System ensures proper steam penetration
- Simply load it, set it and forget it
- Four pre-programmed and two programmable cycles
- Overall length w/plug: 23.8″ (60.5 cm)
- Overall width: 17.8″ (45.2 cm)
- Overall height w/printer: 17.8″ (45.2 cm)
- Minimum countertop area: 21″ (53.3 cm) D x 17.8″ (45.2 cm) W
- Chamber: 11″ diameter (28 cm)
- 18″ depth (45.7 cm)
- 6.5 gal. usable volume (24.6 liters)
- 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)
- Unit weight: 99 lb (44.9 kg)
- Shipping weight: 131 lb (59.4 kg)
- Water reservoir capacity: 1.4 gal. (5.3 liters)
- Electrical requirements 115 VAC, 50/60 Hz, 15 Amps Single Phase
- Meets the requirements of ASME Boiler and Pressure Vessel Code
- UL Listed to US & Canadian Standards




