Horizontal Benchtop Laboratory Autoclaves with prevacuums and drying

AHS-B Series
Indicated for materials that require greater steam penetration to achieve sterilization such as wrapped goods, porous solids, packaged solids, objects with holes and cavities, as well as liquids.

Technical data sheet

Installation Guide

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Horizontal benchtop laboratory autoclaves with prevacuums and drying (22-79L) – AHS-B Series


  • Sterilization chamber made of AISI-316L stainless steel.
  • Equipment controlled by digital PID microprocessor, with 12 predefined and 38 editable programs, adjustable by time, temperature, number of prevacuums, drying time and type of cycle (solids or liquids).
  • Cycles with fractioned vacuum (1-3 prevacuums) and final drying by vacuum pump and heating jacket.
  • Steam production by steam generator.
  • Color alphanumeric touchscreen that shows sterilization parameters, alerts and errors.
  • Includes clean and used water tanks for an automatic feed of the sterilization chamber. Optional automatic feed of the clean water tank.
  • Bacteriological filter for air inlet.



  • Fractioned prevacuum and automatic drying.
  • Programs for liquids.
  • Test cycles: Vacuum Test and Bowie-Dick Test.
  • Optional heart probe.
  • Connection to PC.
  • USB port for downloading data and updates. Ethernet port for PC connection.
  • Internal memory for more than 100 cycle data.
  • Optional control software.
  • Programmable auto-start (date and time).
  • Optional integrated printer.


  • Safety valve, thermostat and pressure switch.
  • Hydraulic lid blocking system while positive pressure exists in the chamber.
  • Open lid sensor.
  • Water level detector.


Components supplied

  • AH-21-B
    – Support for 5 trays.
    – 3 stainless steel perforated trays.
    – Auxiliary tray.
    – Holding clamp.
    – 1.5 m flexible tube for drainage.
    – Bag support.


  • AHS-50-B & AHS-75-B
    – Support for 5 trays.
    – 2 stainless steel perforated trays.
    – Auxiliary tray.
    – 1.5 m flexible tube for drainage.

Chamber volume total / usable22/21 L55/50 L79/75 L
Usable chamber dimensions Ø x D210 x 430 mm 360 x 400 mm 360 x 600 mm
Independent clean water tank volume 6 L 10 L 10 L
Independent waste water tank volume 2‚6 L 6 L 6 L
Exterior dimensions L x D x H560 x 660 x 425 mm 805 x 805 x 650 mm 805 x 1005 x 650 mm
Maximum number of trays555
Trays dimensions L x D mm190 x 350 mm 315 x 330 mm 315 x 530 mm
Power2000 W3600 W3600 W
Gross weight85 Kg125 Kg140 Kg
Voltage*230V 16A230V 16A230V 16A
Frequency 50/60 Hz50/60 Hz50/60 Hz
Adjustable sterilization temperature105 – 134 ºC105 – 134 ºC105 – 134 ºC
Adjustable sterilization time1 – 250 min1 – 250 min1 – 250 min
Adjustable prevacuum pulses1 – 31 – 31 – 3
Adjustable drying time1 – 360 min1 – 360 min1 – 360 min
Max. pressure2‚1 barg2‚1 barg2‚1 barg

*Other voltages available under request.



Stainless steel perforated tray

Stainless steel wire horizontal basket

Bag support

Stainless steel container

Flexible “heart” probe PT-100

For autoclave calibration

Integrated thermal printer

Automatic water filling kit

Automatic water filling kit

Transport trolley

Water distiller

Sterilization control tape

Pack Bowie & Dick Test

PC connection