Description Of The Safety Cabinets; Working Principle; Applications And Principle Diagram; Components Description - Telstar Bio II Advance Serie Manual Del Usuario

2. DESCRIPTION OF THE SAFETY CABINETS

2.1.

WORKING PRINCIPLE

CLASS II Biohazard Safety Cabinets are designed for microbiology work with the most
advanced microprocessor control, ensuring a high level of protection for the operator,
environment and sample.
Exterior of cabinet made of laminated, lacquered, oven-dried steel. Functional design with
reduced external dimensions and front access for changing filters.
Spacious internal chamber with sliding-swinging front made from laminated safety glass.
Segmented work surface and liquid collection tray made of polished stainless steel. Arm-rest
is detachable to facilitate cleaning of liquids tray.
Two-fan system (four in cabinet size 6 feet) providing laminar and exhaust flow by means of
a shared plenum. In the case of a breakdown of any fan, the other ones continue to provide
airflow.
As can be seen in Annex A2, the air propelled by the fans (1) is moved into the chamber or
plenum (3) and, on the one hand via the Absolute HEPA filter (4), is filtered and flows
according laminar regime in the working area (6). On the other hand, part of the air flows
trough an Absolute HEPA filter (5) before being expelled to the outside(8).
System of recycled (70%), sterile vertical laminar flow in depression and exhaust (30%)
sterile air, approximately.
2.2.

APPLICATIONS AND PRINCIPLE DIAGRAM

The MSC models are appropriate for handling biologically pathogenic samples or products (up
to micro organism risk BSL3), ensuring ISO 4 quality(Class 100 according to US Fed. Std.
209D) of sterile air in the work zone, as well as a high level of protection for the operator
and the environment.
Principle diagram in Annex A1.
WARNING
Under no circumstances, is possible handling in corrosive, flammable or explosive gas
ambient.
It is recommended that extracted air should be expelled to the exterior.
Right works conditions are obtained only when the in and out blowing fans green LED's are
on (green colour) and without any alarm message on the display.
2.3.

COMPONENTS DESCRIPTION

(See Annex A2)
2.4.

STANDARD EQUIPMENT

1.5A - 345W socket distributed in two inlets on either side of the work zone. Insulation
•
level IP44 IK07.
2.5.

CERTIFICATION

Quality control and tests results certification carried out in line with standard EN 12469. See
Certificate inside the cabinet.
UM-BIOIIADVANCE-EN-1302
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