Lexa PLUS sterilizer, RIS-311 MED

The W&H Lexa Plus Sterilizer is a high-capacity Class B pre-vacuum steam sterilizer engineered to support modern infection prevention protocols while improving workflow efficiency. Designed for healthcare and dental facilities, the Lexa Plus combines powerful sterilization performance with intuitive operation and low-maintenance ownership.

Featuring Eco Dry+ technology, the system automatically adjusts drying times based on load mass, helping reduce cycle durations while conserving energy. Automatic water filling, fresh distilled water for every cycle, and customizable sterilization programs further streamline daily operation.

The Lexa Plus includes advanced connectivity options, enhanced traceability capabilities, built-in cycle documentation, and a user-friendly touchscreen interface that provides complete visibility and control throughout the sterilization process.

With an 18-pound maximum load capacity and a spacious 28-liter chamber, the Lexa Plus is designed to keep instruments moving efficiently through the reprocessing cycle while helping maintain the highest standards of patient safety.

• Class B pre-vacuum steam sterilizer
• 28-liter (7.4 gallon) chamber capacity
• Maximum load capacity of 18 lbs (8.1 kg)
• Eco Dry+ technology for faster, energy-saving drying cycles
• Automatic water filling system
• Fresh distilled water used for every cycle
• HEPA-filtered closed-door drying
• Fast sterilization cycles with customizable program options
• Enhanced traceability and documentation capabilities
• Built-in USB cycle documentation
• 5 USB ports and Ethernet (LAN) connectivity
• Intuitive touchscreen user interface
• Low-maintenance design with no weekly or monthly cleaning cycles required
• Environmentally friendly, recyclable packaging
• 2-year / 2,000 cycle manufacturer warranty

Technical Specifications

• Model: Lexa Plus (RIS-311)
• Classification: Class B Pre-Vacuum Sterilizer
• Chamber Size: 28 Liters (7.4 Gallons)
• Maximum Load: 18 lbs (8.1 kg)
• Power Supply: 200–240V AC, 50/60 Hz, 10A Single Phase
• Power Consumption: 2.0–2.4 kW
• Dimensions (W × H × D): 19.3" × 17.9" × 24.4"
• Weight: 119 lbs (54 kg)
• Water Tanks: 1.27 gal fresh / 1.35 gal used water
• Connectivity: 5 USB Ports, Ethernet (LAN), Automatic Water Filling Kit

Included Accessories

• Rack System
• Five Aluminum Trays
• Drain Hose
• Tray Holder
• 8 GB USB Storage Device
• Door Opening Tool
• Factory Test Documentation

Cycle Performance

• 270°F (132°C) Wrapped Cycle: 4-minute sterilization time
• 250°F (121°C) Low Temperature Cycle: 30-minute sterilization time
• 270°F (132°C) Unwrapped Cycle: 4-minute sterilization time
• Automatic drying time optimized through Eco Dry+ technology

Certifications & Compliance

The Lexa Plus has been designed, certified, and validated to meet numerous international standards and directives, including EN 13060, ANSI/AAMI ST55, IEC 61010, IEC 61326, Medical Device Regulation (EU 2017/745), ASME Boiler & Pressure Vessel Code, and EN ISO 17665-1 validation requirements.