Validation is a testing procedure carried out by an official authority, proving the effectiveness of your sterilizer. Compulsories and frequency of validation are regulated by local/national guidelines.

Do I need to document the results of all periodic tests?

W&H recommends recording all periodic tests, repairs and modifications on the sterilizer in a logbook including date and signature of the person who carried out the test or other activity. Compulsoriness of recording is regulated by local/national guidelines.

How long should I archive the documentation of regular tests?

Keep the results according to your country/regional specific laws and guidelines. Those records can be of assistance in case of service as well.

Does my sterilizer need any periodic qualification/validation?

Validation generally comprises a range of tests defined in internationally recognised standards. These tests begin for every device with the factory tests at W&H. In addition, corresponding documentation is included with your device. Prior to commissioning the device at your premises, the technician performs further checks to ensure the device functions correctly. Then, depending on the national/regional laws and directives, the device must be subjected to a so-called renewed performance qualification at regular intervals. For further information, please contact your dealer.

Whom should I contact to validate and maintain my sterilizer?

Validation shall be carried out by an official authority. Maintenance tasks shall be carried out by a qualified and authorized technician.

How do I change consumable components on my sterilizer?

Consumable replacement instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available: • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this web site.

How do I clean the water tanks and what products should I use?

Water tank cleaning instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available: • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this web site.

Should I pouch wrap my instruments and how long can I store them after sterilization?

To ensure that your instruments are stored in a sterile state from their successful sterilization until they are used, W&H recommends wrapping them in suitable sterile barrier systems before sterilization. The recommended storage period can be found in the recommendations of the wrapping material manufacturer. For further information, please contact your dealer.

The sterilizer remains switched OFF.

POSSIBLE CAUSE The main switch or network circuit breaker is OFF. SOLUTION Activate the main switch or network circuit breaker (ON). POSSIBLE CAUSE No voltage at the socket. SOLUTION Check the building electrical supply. POSSIBLE CAUSE The power cord is not connected properly SOLUTION Check and connect the power cord properly

Water is leaking at the front of the sterilizer.

POSSIBLE CAUSE Leaks through the chamber door seal. SOLUTION Clean or replace the door seal. Clean the door surface facing the chamber. POSSIBLE CAUSE Internal leak. SOLUTIONS Contact an authorized W&H service partner.

At the end of the cycle, there is residual water in the chamber

POSSIBLE CAUSE Sterilizer not properly levelled SOLUTION Place the sterilizer on a flat, levelled surface. POSSIBLE CAUSE Overloaded chamber SOLUTION Comply with the maximum load weight limits for each type of load. Always use the chamber rack for trays and cassettes. POSSIBLE CAUSE Chamber filter clogged SOLUTION Remove and clean the chamber filter. POSSIBLE CAUSE Load incorrectly placed SOLUTION Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use.

The sterilizer enters into “Standby mode” immediately after being switched on.

POSSIBLE CAUSE The unit was turned off while in standby mode. SOLUTION Press the “Standby mode” button to exit.

When starting a cycle, the chamber door locks but re-opens immediately. The “Open the door” message appears.

POSSIBLE CAUSE Door seal not properly placed. SOLUTION Ensure that the door seal is correctly inserted around the whole circumference. POSSIBLE CAUSE Door jammed by external objects or by the load itself SOLUTION Remove any objects interfering with the chamber door. Check for interference between the door and the chamber furniture and/or the load.

Stains, spots or colour change on instruments.

POSSIBLE CAUSE Instruments rinsed with tap water and not dried before sterilization. SOLUTION Ensure that instruments are rinsed with distilled or demineralized water and completely dry before they are placed in the sterilizer. POSSIBLE CAUSE Use of water of poor quality or water containing chemical substances SOLUTION Drain both water tanks. Use good quality water (see chapter “Water quality” in the Instructions for Use). POSSIBLE CAUSE Organic or chemical residues on the instruments SOLUTION Clean, rinse and dry instruments before placing them in the sterilizer (see chapter “Load maintenance and preparation” in the Instructions for Use). POSSIBLE CAUSE Dirt in chamber, trays, tray rack. SOLUTION Clean the chamber and wash the chamber furniture POSSIBLE CAUSE Contact between instruments of different materials SOLUTION Ensure that instruments of different materials do not touch each other (aluminum, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (see chapter “Load maintenance and preparation” in the Instructions for Use). POSSIBLE CAUSE Scale deposits on the chamber SOLUTION Clean the chamber and use good quality water (see chapter “Water quality” in the Instructions for Use).

No cycles are stored in the cycle history menu

POSSIBLE CAUSE An electronic board was replaced when serviced. SOLUTION The memory of the old board cannot be restored. Consult the cycle history in the USB pen drive.

Warning about saving to the USB (HTML and SCL files)

POSSIBLE CAUSE The USB pen drive is disconnected or full. SOLUTION Check presence and condition of the USB pen drive. If the problem persist, contact an authorized W&H service partner.

Warning about programmed maintenance.

POSSIBLE CAUSE The maintenance program needs to be carried out. SOLUTION Contact an authorized W&H service partner.

The cycle report printer does not work.

POSSIBLE CAUSE Printer not properly connected or not powered SOLUTION Check the data and the power connection to the printer.

The sterilizer is connected to an automated water supply system, there is no clean water in the tank and the automatic water filling does not fill the water.

POSSIBLE CAUSE Water filling system not connected. SOLUTION Connect the water filling system to the sterilizer. (see Instructions For Use). POSSIBLE CAUSE When the water filling system attempted to fill the tank, water was temporarily unavailable. SOLUTION Since the water tank filling is attempted only once in-between cycle execution, this event inhibits water feeding. Switch the sterilizer OFF and then ON again. Check the external water supply system. Check for water leaks from the sterilizer. POSSIBLE CAUSE Faulty MIN water level sensor in the clean water tank SOLUTION Contact an authorized W&H service partner.

The sterilization (PROCESS) phase of a sterilization cycle was longer than expected.

POSSIBLE CAUSE The chamber temperature dropped below the minimum threshold and the software performed a successful recovery SOLUTION Wait for cycle completion. If the problem occurs frequently, contact an authorized W&H service partner.

Warning about consumable replacement.

POSSIBLE CAUSE A consumable needs to be replaced. SOLUTION Order the requested consumable (door seal and HEPA/bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use.

What is the maximum noise level of the Lisa sterilizer?

The max. noise level of Lisa 2019 is 64.3 dB.

Which water quality should I use for my Lexa Plus sterilizer?

The water quality for sterilizers is internationally specified by standards and directives. The reasons for this are that your sterilizer can be seriously damaged by it or the sterilization can be jeopardised. Consequently, only water with conductivity of less than 10 µS/cm in North America and 15 µS/cm for the rest of the world should be used for your W&H sterilizer. The Multidem system and OSMO are especially designed to prepare suitable water (see chapter “Water quality” in the Instructions for Use).

Do I need to carry out periodic testing on my W&H Sterilizer?

All W&H sterilizers features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines.

This product is not available anymore.

Lisa sterilizer

Name: The new generation of Lisa water steam sterilizers
Brand: W&H

Incredible inside & outside

The Lisa sterilizer – built for highest demands: incredibly user-friendly thanks to EliSense information system via LED indicators and display. Incredible complete traceability down to the single instrument or instrument-kit thanks to EliTrace. Incredibly efficient thanks to the patented Eco Dry + Technology.

System overview

Lisa
Technical data

The Lisa sterilizer

From the outside
Smooth surfaces, a fresh, ergonomic design – and an incredibly crystal clear colour display. The menu structure and the artificial intelligence behind it turns high end B type sterilizing into one of the most simple, comfortable and safest systems in the world. For full infection control within your daily work.

From the inside
So many elements, so much incredible technology and so many parts, completely integrated, in the right place and ready to serve and fulfil the daily requirements of a high end B type sterilizer!
Incredible thanks to
- EliSense: Thanks to LED indicators and display, the outstanding technology offers cycle status information, temperature information and much more to optimize both workflow and output at a glance.
- EliTrace: For the first time, the sterilization process can be traced and documented down to the individual instrument or instrument kit. Without additional software or computer.
- Eco Dry+: Eco Dry technology adapts the drying time to the mass of the load. This reduces the cycle time, increases the life span of your instruments and optimizes the energy consumption.
- Intuitive interface
- Perfect ergonomics
- New environmentally friendly packaging: The new environmentally friendly packaging is completely reusable and recyclable. Plastic components were reduced to a minimum. For 99% of its weight, the new package is made of cardboard and other fully biodegradable substances.
EliSense

Status Sense, Temperature Sense, Smart Sense: three incredible features, combined into EliSense.

Cycle status information, temperature information and all information to optimize both workflow and output at a glance.

EliSense Status Sense
Shows you the cycle status of your sterilizer.

EliSense Status Sense

All the information you need at a glance:

Cycle in progress
The green lights flash.

Cycle finished
The green lights are static.

Cycle Stop
Occurs every time you manually stop during the cycle: The red lights flash.

Cycle Stop finished
The cycle error or manual stop has finished. The lights are static.

Chamber temperature cold
The load can be handled. The blue lights are static.

EliSense Smart Sense
Tells you what your sterilizer needs.

EliSense Smart Sense

Tells you:

› When to replace Multidem

› How to optimize drying

› When it is possible to perform the vacuum test based on the temperature of the chamber

› When the next tests depending on local legal requirements are needed

EliSense Temperature Sense
Makes your work safer.

EliSense Temperature Sense

EliSense doesn´t only care for the well-being of the sterilizing process but also of yours by warning you if you have already opened the door, but the load is still too hot to be touched without gloves or a tray holder.

EliTrace

A high standard of hygiene is the hallmark of every dental practice. With the new generation of sterilizers, this standard is now being further optimized. EliTrace is the enhanced documentation system which offers for the first time full traceability down to the single instrument or set without any extra software or computers. The result: a high level of safety for practices and patients.

Step 1
Create database

Step 1 Create database

Create your instrument database directly on Lisa, on your smart device via W&H Steri app or PC.

Step 2
Labelling and loading

Step 2 Labelling and loading

Stick the related pre-printed QR code labels on each pouch before loading and make the link cycle-instrument.

Step 3
Load release and status check

Step 3 Load release and status check

After the sterilization cycle, scan directly via W&H Steri App to check the status.

Extended documentation

The Lisa offers the possibility to trace back to the single instrument without any paper handling, dedicated computer or software.
- High capacity data logger
  
  The high capacity USB drive automatically records the cycle reports for the entire life of Lisa.
- Customized to your needs
  
  Lisa’s traceability menu offers a wide range of options to customize your own traceability system to your exact needs.
- User identification
  
  Allows you to digitally record the user who loaded and unloaded the sterilizer. Users are identified by a 6-digit PIN.
- Load release confirmation
  
  This option digitally records the end user name and their confirmation of the successful sterilization and/or test cycle.
- Easy and practical
  
  Lisa enables you to select the number of labels to be printed by EliSafe either automatically or manually.
- Convenient and economical
  
  The Ethernet connection allows 4 Lisa sterilizers to share one EliSafe label printer.
W&H Steri App

W&H Steri App is an advanced smartphone and tablet application that allows to control and monitor the status of the autoclaves in your dental clinic. Moreover, the app is able to scan and track dental instruments within a single sterilizing cycle, keeping a related history report on your smart device.

Download on the App Store

Download on Google Play Store

Compatibility:

The application is compatible with all sterilizers currently available.
Available languages: EN, IT, FR, DE, ES, ZH-CN, JP

Main features:

Remote control of your sterilizer: the user can remotely command up to 4 sterilizers.
Advanced traceability: EliTrace feature is now fully supported and the App permits to create instrument database directly from your smart device. In addition to this function, the management and tracking of dental instruments is integrated.
Reports creation: the App allows making intervention reports in order to collect data regarding specific treatments.
User management: creation and handling of sterilizer users directly from your smart device.
Backup functionality: all the cycle reports are automatically saved to assure more protection of data.

Steri App!

Eco Dry+

Incredible performance

The advanced patented Eco Dry technology adapts the drying time to the mass of the load. This reduces the cycle time, increases the life span of your instruments and optimizes the energy consumption.

Time saving
Type B cycles process and perfectly dry 2 kg of load in only 30 minutes.

Extends service life
Automatic adjustment of the drying time depending on the load reduces the heat exposure time. This extends the service life of your instruments.

Energy saving
The optimization of the drying time means reduced energy consumption. Making Lisa the »green solution«.

Reprocessing in less than 15 minutes!

Wipe disinfection for 1 minute
Disinfect your instruments before cleaning and servicing by wiping them.

Maintenance in 10 seconds
The Assistina Twin reduces the maintenance process to a record time of 10 seconds.

Sterilization in 13 minutes
With the Lisa fast cycle, the instruments can be removed from the sterilizer ready for use after only 13 minutes.
- Interface
  
  Intuitive interface
  
  The Lisa crystal clear colour touchscreen not only offers EliSense. It offers the entry to an intelligent menu structure with a wide range of options to make your daily work easier, faster, and more efficient.
- Cycle selection
  
  Simple cycle selection
  
  As soon as the Lisa is switched on, the home screen immediately displays the cycle selection.
  
  Risk-free cycle selection
  
  The custom cycle selection feature allows you to select which cycles are displayed on the home screen.
- User guidance
  
  User guidance
  
  Instruction is available with the help button in order to assist you during navigation.
- Guided maintenance
  
  Guided maintenance
  
  A set of 3-D animations shows you the main maintenance operations step by step. Makes operation easy and straightforward.
- Intuitive Menu
  
  Easy to use
  
  The Lisa touch screen with intuitive menus offers a wide range of options to meet all your needs.
  
  Intuitive navigation
  
  Four logical groups of activities are displayed for swift and efficient navigation.
- Ergonomics
  
  Perfect ergonomics
  
  The revised design is setting optimized hygiene and ergonomic standards in modern dentistry.
- Filling + Cleaning
  
  Easy filling
  
  A high capacity integrated funnel prevents water splashes during the water filling process.
  
  Simple cleaning
  
  Thanks to a smooth surface design with minimized gaps.
- Convenience
  
  High convenience
  
  An automatic water filling valve allows you to connect a demineralization system. Manual filling and draining are no longer required.
  
  Fits everywhere
  
  With the modular front feet, Lisa can be installed on the narrowest benches.
- Design
  
  Practical design
  
  Lisa can be built into a cabinet thanks to the optimized internal air circulation.
  
  Effortless tank access
  
  The tank cover can be easily removed without tools to clean the tanks.
Lisa sterilizer

supplied with reversible rack, 5 aluminium trays, drain tube, tray holder, 8 GB USB drive, door opening tool, factory test

Lisa 17
REF 19931180

Chamber size 17 litre

Lisa 22
REF 19932180

Chamber size 22 litre

Request Price

Buy

CHECK PRICE REQUEST!

X-ray Image by Nick Veasey for W&H.
Find out more about the creation of the X-ray image on our Video Channel.
Download Area
FAQs
- What is validation?
  Validation is a testing procedure carried out by an official authority, proving the effectiveness of your sterilizer. Compulsories and frequency of validation are regulated by local/national guidelines. more
- Do I need to document the results of all periodic tests?
  W&H recommends recording all periodic tests, repairs and modifications on the sterilizer in a logbook including date and signature of the person who carried out the test or other activity. Compulsoriness of recording is regulated by local/national guidelines. more
- How long should I archive the documentation of regular tests?
  Keep the results according to your country/regional specific laws and guidelines. Those records can be of assistance in case of service as well. more
- Does my sterilizer need any periodic qualification/validation?
  Validation generally comprises a range of tests defined in internationally recognised standards. These tests begin for every device with the factory tests at W&H. In addition, corresponding documentation is included with your device. Prior to commissioning the device at your premises, the technician performs further checks to ensure the device functions correctly. Then, depending on the national/regional laws and directives, the device must be subjected to a so-called renewed performance qualification at regular intervals. For further information, please contact your dealer. more
- Whom should I contact to validate and maintain my sterilizer?
  Validation shall be carried out by an official authority. Maintenance tasks shall be carried out by a qualified and authorized technician. more
- How do I change consumable components on my sterilizer?
  Consumable replacement instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available:
  • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this web site. more
- How do I clean the water tanks and what products should I use?
  Water tank cleaning instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available:
  • in the sterilizer, in the maintenance section of the menu;
  • in the Consumables & Accessories and Video Tutorial section of this web site. more
- Should I pouch wrap my instruments and how long can I store them after sterilization?
  To ensure that your instruments are stored in a sterile state from their successful sterilization until they are used, W&H recommends wrapping them in suitable sterile barrier systems before sterilization. The recommended storage period can be found in the recommendations of the wrapping material manufacturer. For further information, please contact your dealer. more
- The sterilizer remains switched OFF.
  POSSIBLE CAUSE
  The main switch or network circuit breaker is OFF.
  SOLUTION
  Activate the main switch or network circuit breaker (ON).
  
  POSSIBLE CAUSE
  No voltage at the socket.
  SOLUTION
  Check the building electrical supply.
  
  POSSIBLE CAUSE
  The power cord is not connected properly
  SOLUTION
  Check and connect the power cord properly more
- Water is leaking at the front of the sterilizer.
  POSSIBLE CAUSE
  Leaks through the chamber door seal.
  SOLUTION
  Clean or replace the door seal. Clean the door surface facing the chamber.
  
  POSSIBLE CAUSE
  Internal leak.
  SOLUTIONS
  Contact an authorized W&H service partner. more
- At the end of the cycle, there is residual water in the chamber
  POSSIBLE CAUSE
  Sterilizer not properly levelled
  SOLUTION
  Place the sterilizer on a flat, levelled surface.
  
  POSSIBLE CAUSE
  Overloaded chamber
  SOLUTION
  Comply with the maximum load weight limits for each type of load. Always use the chamber rack for trays and cassettes.
  
  POSSIBLE CAUSE
  Chamber filter clogged
  SOLUTION
  Remove and clean the chamber filter.
  
  POSSIBLE CAUSE
  Load incorrectly placed
  SOLUTION
  Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use. more
- The sterilizer enters into “Standby mode” immediately after being switched on.
  POSSIBLE CAUSE
  The unit was turned off while in standby mode.
  SOLUTION
  Press the “Standby mode” button to exit. more
- When starting a cycle, the chamber door locks but re-opens immediately. The “Open the door” message appears.
  POSSIBLE CAUSE
  Door seal not properly placed.
  SOLUTION
  Ensure that the door seal is correctly inserted around the whole circumference.
  
  POSSIBLE CAUSE
  Door jammed by external objects or by the load itself
  SOLUTION
  Remove any objects interfering with the chamber door. Check for interference between the door and the chamber furniture and/or the load. more
- Stains, spots or colour change on instruments.
  POSSIBLE CAUSE
  Instruments rinsed with tap water and not dried before sterilization.
  SOLUTION
  Ensure that instruments are rinsed with distilled or demineralized water and completely dry before they are placed in the sterilizer.
  
  POSSIBLE CAUSE
  Use of water of poor quality or water containing chemical substances
  SOLUTION
  Drain both water tanks. Use good quality water (see chapter “Water quality” in the Instructions for Use).
  
  POSSIBLE CAUSE
  Organic or chemical residues on the instruments
  SOLUTION
  Clean, rinse and dry instruments before placing them in the sterilizer (see chapter “Load maintenance and preparation” in the Instructions for Use).
  
  POSSIBLE CAUSE
  Dirt in chamber, trays, tray rack.
  SOLUTION
  Clean the chamber and wash the chamber furniture
  
  POSSIBLE CAUSE
  Contact between instruments of different materials
  SOLUTION
  Ensure that instruments of different materials do not touch each other (aluminum, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (see chapter “Load maintenance and preparation” in the Instructions for Use).
  
  POSSIBLE CAUSE
  Scale deposits on the chamber
  SOLUTION
  Clean the chamber and use good quality water (see chapter “Water quality” in the Instructions for Use). more
- No cycles are stored in the cycle history menu
  POSSIBLE CAUSE
  An electronic board was replaced when serviced.
  SOLUTION
  The memory of the old board cannot be restored. Consult the cycle history in the USB pen drive. more
- Warning about saving to the USB (HTML and SCL files)
  POSSIBLE CAUSE
  The USB pen drive is disconnected or full.
  SOLUTION
  Check presence and condition of the USB pen drive. If the problem persist, contact an authorized W&H service partner. more
- Warning about programmed maintenance.
  POSSIBLE CAUSE
  The maintenance program needs to be carried out.
  SOLUTION
  Contact an authorized W&H service partner. more
- The cycle report printer does not work.
  POSSIBLE CAUSE
  Printer not properly connected or not powered
  SOLUTION
  Check the data and the power connection to the printer. more
- The sterilizer is connected to an automated water supply system, there is no clean water in the tank and the automatic water filling does not fill the water.
  POSSIBLE CAUSE
  Water filling system not connected.
  SOLUTION
  Connect the water filling system to the sterilizer. (see Instructions For Use).
  
  POSSIBLE CAUSE
  When the water filling system attempted to fill the tank, water was temporarily unavailable.
  SOLUTION
  Since the water tank filling is attempted only once in-between cycle execution, this event inhibits water feeding. Switch the sterilizer OFF and then ON again.
  Check the external water supply system.
  Check for water leaks from the sterilizer.
  
  POSSIBLE CAUSE
  Faulty MIN water level sensor in the clean water tank
  SOLUTION
  Contact an authorized W&H service partner. more
- The sterilization (PROCESS) phase of a sterilization cycle was longer than expected.
  POSSIBLE CAUSE
  The chamber temperature dropped below the minimum threshold and the software performed a successful recovery
  SOLUTION
  Wait for cycle completion. If the problem occurs frequently, contact an authorized W&H service partner. more
- Warning about consumable replacement.
  POSSIBLE CAUSE
  A consumable needs to be replaced.
  SOLUTION
  Order the requested consumable (door seal and HEPA/bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use. more
- What is the maximum noise level of the Lisa sterilizer?
  The max. noise level of Lisa 2019 is 64.3 dB. more
- Which water quality should I use for my Lexa Plus sterilizer?
  The water quality for sterilizers is internationally specified by standards and directives. The reasons for this are that your sterilizer can be seriously damaged by it or the sterilization can be jeopardised. Consequently, only water with conductivity of less than 10 µS/cm in North America and 15 µS/cm for the rest of the world should be used for your W&H sterilizer. The Multidem system and OSMO are especially designed to prepare suitable water (see chapter “Water quality” in the Instructions for Use). more
- Do I need to carry out periodic testing on my W&H Sterilizer?
  All W&H sterilizers features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines. more
more
Instructions for use

Instructions for use
Lisa sterilizer

Maintenance Sheet
Lisa VA 131

Maintenance Sheet
Lisa VA 131 2019

Find all languages of the Update Hygiene and Maintenance (EN ISO 17664:2017) in the Download Centre.

Downloads

Brochure Lisa

Environmental labelling of packaging

Video Tutorials

For a seamless and interactive online experience of our multimedia content (e.g. videos, maps), please accept the storage of the necessary cookies (YouTube, MovingImage - detailed information on these cookies can be found in the imprint/data protection) for marketing purposes.

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Service
Service

Service Station Locator

Cleaning & Maintenance

Disposal Guidelines

Troubleshooting

Lisa sterilization cycles

Sterilization cycle		B-Universal 134		B-Prion 134		B-Universal 121	Fast cycle
Temperature:		134 °C		134 °C		121 °C	134 °C
Holding time (minutes):		4		18.5		20.5	3.5
Total cycle duration (minutes) including complete drying:			Typical load		Typical load
	Lisa 17	Automatic from 21 to 41	28	Automatic from 36 to 57	43	35 to 67	13 to 20
	Lisa 22	Automatic from 21 to 45	28	Automatic from 36 to 61	43	40 to 72	13 to 21
Lisa 17 loads: Lisa 22 loads:		max. solid 4.5 kg/typical 2 kg/max. porous 1.5 kg max. solid 6 kg/typical 2 kg/max. porous 2 kg					max. solid 2 kg max. solid 2 kg
Lisa 17 / 22 containers load:		max. 9 kg				–
Test cycles:		Helix/Bowie Dick/Vacuum test

Items supplied with reversible rack, 5 aluminium trays, drain tube, tray holder, 8 GB USB drive, door opening tool, factory test

Lisa Sterilizer

Trade name:	Lisa
Type:	VA131-17	VA131-22
Chamber size:	17 l	22 l
Power supply:	200–240 V AC; 50/60 Hz; 10 A
Power consumption:	2.0–2.4 kW
Overall dimension (width × height × depth):	465 × 452 × 634 mm
Weight:	46 kg	47.5 kg
Main / Used water tanks:	4.8/4.8 l
Working range:	7 to 15 cycles
Usable space in chamber (width × height × depth)¹:	195 × 195 × 312 mm	195 × 195 × 400 mm
Connection types:	1 Ethernet port, 5 USB ports, integrated automatic water filling valve

^{(1) Usable space is referred to standard rack configuration.}

Lisa sterilizers were designed, certified and validated with the most stringent regulations, directives and standards:
N°2017/745	Medical Device Regulation	IEC 61010-1	Safety requirements
2012/19/EU	Waste Electrical and Electronic Equipment	IEC 61010-2-040	Specific requirements for steam sterilizer
EN 2014/68/EU	Pressure Equipment Directive	IEC 61770	Electric appliances connected to the water mains
IEC 61326-1	Electromagnetic compatibility	EN 13060	Small steam sterilizers
› The sterilizer can be validated according to EN ISO 17665-1

Reports and studies

Sterilization succeeds only with appropriate pre-disinfection and cleaning

Preparation of dental instruments

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Assistina TWIN

Oil service in record time

Reliable, top quality
products for our customers.

Where To Buy

Find dealers and service partners in your area.

Lisa sterilizer

Incredible inside & outside

Sterilization, Hygiene & Maintenance

Sterilization, Hygiene & Maintenance

System Overview

Lisa

The Lisa sterilizer

Incredible thanks to

EliSense

Status Sense, Temperature Sense, Smart Sense: three incredible features, combined into EliSense.

EliSense Status Sense

EliSense Smart Sense

EliSense Temperature Sense

EliTrace

Step 1 Create database

Step 2 Labelling and loading

Step 3 Load release and status check

Extended documentation

The Lisa offers the possibility to trace back to the single instrument without any paper handling, dedicated computer or software.

High capacity data logger

Customized to your needs

User identification

Load release confirmation

Easy and practical

Convenient and economical

W&H Steri App

Eco Dry+

Incredible performance

Reprocessing in less than 15 minutes!

Interface

Intuitive interface

Cycle selection

Simple cycle selection

Risk-free cycle selection

User guidance

User guidance

Guided maintenance

Guided maintenance

Intuitive Menu

Easy to use

Intuitive navigation

Ergonomics

Perfect ergonomics

Filling + Cleaning

Easy filling

Simple cleaning

Convenience

High convenience

Fits everywhere

Design

Practical design

Effortless tank access

Lisa sterilizer

Download Area

FAQs

Instructions for use

Downloads

Video Tutorials

Service

Lisa sterilization cycles

Lisa Sterilizer

Reports and studies

Accessories & Consumables

Related products

Assistina TWIN

Where To Buy

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