Memmert Steriliser S SN55

Memmert Steriliser S SN55

Efficient and Reliable Hot Air Sterilisation for Laboratories

The Memmert SN55 hot air steriliser offers an advanced and energy-efficient solution for thermal sterilisation in laboratory and clinical settings. Designed to replace chemical disinfection, the SN55 ensures sterile conditions for instruments and materials through precise, high-temperature control. It meets all applicable medical device regulations and is CE 0197 certified.

Key Features

• SingleDISPLAY with high-resolution TFT screen for intuitive control

• Adaptive PID-microprocessor for accurate temperature regulation

• SetpointWAIT function ensures sterilisation begins only at the correct temperature

• Electronic timer programmable up to 99 days

• Programmable air flap and calibration settings

• AtmoCONTROL software for data management via Ethernet or optional USB

• Integrated safety mechanisms and fault diagnostic system

Applications

• Sterilisation of laboratory instruments and glassware

• Suitable for clinics, research labs, pharmaceutical and medical device industries

• Ideal for environments requiring validated dry heat sterilisation

Specifications

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

• Working temperature: minimum 5 °C above ambient to +250 °C

• Temperature accuracy:

  • Up to 99.9 °C: 0.1 °C

  • From 100 °C: 0.5 °C

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

• ControlCOCKPIT: SingleDISPLAY digital PID controller

• Timer: digital countdown timer adjustable from 1 minute to 99 days

• Adjustable parameters: temperature (°C/°F), air flap position, program time, time zones

• Ventilation:

  • Natural convection

  • Pre-heated fresh air via electronically controlled flap

  • Vent with restrictor flap

Communication and Programming

• Data is saved automatically in case of power failure

• Ethernet interface for AtmoCONTROL software (trial available)

• Optional USB stick with software for programme management

Safety

• Electronic overtemperature monitor

• Mechanical temperature limiter (TB), protection class 1 (DIN 12880)

• Autodiagnostic system for internal fault detection

Construction and Capacity

• Internal volume: 53 litres

• Internal dimensions (W x H x D): 400 x 400 x 330 mm

• Maximum number of shelves: 4

• Maximum chamber load: 80 kg

• Maximum load per shelf: 20 kg

• Interior: stainless steel, easy to clean with large-area heating on four sides

• External casing: textured stainless steel

• External dimensions (W x H x D): 585 x 784 x 514 mm (+56 mm door handle)

• Housing back panel: zinc-plated steel

• Supplied with:

  • 1 electropolished stainless steel grid

  • Calibration certificate at +160 °C

Electrical Data

• 230 V, 50/60 Hz, approx. 2000 W

• 115 V, 50/60 Hz, approx. 1700 W

Environmental Conditions

• Installation clearance:

  • Rear: at least 15 cm

  • Top: at least 20 cm

  • Sides: at least 5 cm

• Ambient operating temperature: +5 °C to +40 °C

• Max relative humidity: 80 %, non-condensing

• Installation altitude: max. 2,000 m

• Overvoltage category: II

• Pollution degree: 2

Shipping Information

• Transport upright only

• Shipping dimensions: 730 x 950 x 670 mm

• Net weight: approx. 57 kg

• Gross weight: approx. 76 kg

• Customs tariff number: 8419 8998

• Country of origin: Germany

• WEEE Reg. No.: DE 66812464