Biological Safety Cabinet Class II 1200

Biological Safety Cabinet Class II 1200

Model: DD-ATSH-II-1200

Manufacturer: Duc Duong – Vietnam

1. General Introduction

The Class II Biological Safety Cabinet is manufactured according to the standard EN 12469 for biological safety cabinets. It features a 10° sloped front panel to provide a comfortable working posture for operators.

The working tray is made of stainless steel and has perforations to enhance airflow efficiency. The tray can be easily removed for cleaning the work area.

Technical Specifications:

• Cabinet Dimensions:

  • External Dimensions: W1200 x D790 x H1500 mm

  • Internal Dimensions: W1070 x D600 x H700 mm

• Control Board:

  • LCD display shows the status of the fan, lighting, and UV lamp

  • Timer function for each load to prevent UV exposure

• Airflow:

  • Recirculated Airflow: 70%

  • Exhaust Air: 30% passes through HEPA filter before being exhausted outside

• Working Opening Height: 20 cm

• Cabinet Material: SUS#304

• Airflow Velocity:

  • Downflow Velocity: 0.3 – 0.5 m/s

  • Inflow Velocity: ≥0.4 m/s

• HEPA Filters:

  • Two HEPA filters with 99.99% efficiency for particles of 0.3 μm

  • Imported HEPA filters meeting ISO 9001 and FM quality standards

  • Ensures 70% of air is recirculated

• Lighting:

  • Illuminance: >700 lux

• Noise Level: <67 dBA

• UV Lamp: 30W, wavelength 254 nm

• Sliding Door: 5 mm thick tempered glass

Fan Specifications:

• Fan Type: New, specialized fan, 100%, made in Germany

• Motor Speed: 1250 rpm