Memmert Steriliser S SF55

Memmert Steriliser SF55

Reliable Hot Air Sterilisation for Laboratory Safety

The Memmert SF55 is a high-precision hot air steriliser that delivers dependable sterilisation of laboratory instruments and materials. With forced air circulation and intelligent control features, it ensures consistent temperature distribution, meeting all requirements for medical device sterilisation (CE 0197 certified).

Key Features

• SingleDISPLAY control system with high-definition TFT screen

• PID microprocessor controller for accurate temperature management

• SetpointWAIT ensures sterilisation starts only at the target temperature

• Fan-assisted air circulation adjustable in 10% increments

• Electronic fresh air control and vent flap for optimal airflow

• AtmoCONTROL software for programming and data management

• Built-in overtemperature safety and self-diagnosis system

Applications

• Sterilisation of instruments, containers, and laboratory glassware

• Used in medical, biological, pharmaceutical, and chemical labs

• Suitable for any application requiring dry, high-temperature sterilisation

Specifications

• Temperature setting range: +20 °C to +250 °C

• Temperature accuracy:

  • Up to 99.9 °C: 0.1 °C

  • From 100 °C: 0.5 °C

• Working temperature range: at least 10 °C above ambient to +250 °C

• Temperature sensor: 1 Pt100 sensor (DIN Class A, 4-wire)

• Control system:

  • SingleDISPLAY PID microprocessor controller

  • Timer adjustable from 1 minute to 99 days

  • SetpointWAIT function ensures timing starts at the correct temperature

  • Calibration of three freely selectable temperatures

  • Adjustable parameters: temperature, fan speed, air flap, programme time

• Ventilation:

  • Forced air circulation via quiet air turbine

  • Fresh air pre-heated and regulated electronically

  • Vent connection with adjustable restrictor flap

• Communication and software:

  • Power failure programme memory

  • AtmoCONTROL software for data management via Ethernet (USB optional)

• Safety features:

  • Electronic overtemperature protection

  • Mechanical temperature limiter TB (DIN 12880 Class 1)

  • Self-diagnostic system for fault detection

• Interior and construction:

  • Volume: 53 litres

  • Interior dimensions: 400 x 400 x 330 mm (depth less 39 mm for fan)

  • Max. shelves: 4

  • Max. load per shelf: 20 kg

  • Max. total chamber load: 80 kg

  • Stainless steel interior with large-area heating on four sides

  • Supplied with 1 electropolished stainless steel grid

  • Works calibration certificate at +160 °C

• Exterior:

  • Dimensions: 585 x 784 x 514 mm (+56 mm door handle)

  • Textured stainless steel housing

  • Rear panel made of zinc-plated steel

• Electrical:

  • 230 V, 50/60 Hz, approx. 2000 W

  • 115 V, 50/60 Hz, approx. 1700 W

• Ambient conditions:

  • Operating temperature: +5 °C to +40 °C

  • Relative humidity: max. 80%, non-condensing

  • Max installation altitude: 2,000 m

  • Required clearances: rear 15 cm, top 20 cm, sides 5 cm

  • Overvoltage category II, pollution degree 2