Midmark Ritter M7


  • Overall Length: 19″ (48.3 cm) with plug.
  • Overall Width: 14″ (35.6 cm).
  • Overall Height: 13″ (33 cm).
  • Countertop Area: 16.5″ x 14″ (410 mm x 345 mm).
  • Chamber:
    • 7.5″ (diameter) x 15″ (depth) (19.1 cm x 38.1 cm).
    • 2.4 gallons (9 liters) usable volume.
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Midmark Ritter M7 Speedclave

WARRANTY: 6 months parts and labor

Over 40 years in the field, the Midmark M7 has proven to be the workhorse of sterilizers. This self-contained unit sterilizes wrapped or unwrapped instruments, linen packs, and glassware. Starting hot, the M7 sterilizes unwrapped instruments in only 9 minutes.
  • The M7 autoclave has a safety door, which automatically seals when pressurized and will not allow the operator to open the door until the chamber is safely depressurized.
  • The temperature regulator allows the operator to preset the temperature at any desired setting between 250° F (121°C) and 270°F (132°C). This control, acting as a thermostat, cycles the heating element on and off.
  • The temperature gauge indicates the temperature inside the chamber. The gauge is graduated in 2-degree increments.
  • The unit comes with a low-water cut-out switch, which prevents “dry burning”. The M7 will only operate when there is enough water present, which prolongs the life of the heating element. A pilot light is on when the heater is on, and cycles on and off during normal operation.
  • A cycle timer regulates sterilization time from 0 to 30 minutes and automatically turns the M7 off when the sterilization cycle is complete. This prevents over-sterilization thus extending the service life of your instruments.
  • 6-month parts and labor warranty for all refurbished autoclaves
  • Chamber Size: 7.5″ x 15″
  • Dimensions (L x W x H):  19″ x 14″ x 13″
  • Trays: 3 (2 large and 1 small)
  • Tray Size (L x W x H): Small: 12″ x 4-1/8″ x 7/8″ / Large: 12″ x 5-5/8″ x 7/8″
  • Standard Unwrapped Cycle Time: 3 minutes (does not include heat up or cool down time)
  • Voltage: 115V
Manual Setting Hot Cycle Time Cold Cycle Time Sterilization Time Sterilization Temperature
Unwrapped 9 minutes 11.5 minutes 3 minutes 270 °F (132 °C)
Pouches 21 minutes 23.5 minutes 15 minutes 270 °F (132 °C)
Packs 33 minutes 38 minutes 30 minutes 250 °F (121 °C)



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