Labconco Protecto PVC Laboratory Fume Hoods 14181 Series - Manuel (Page 36)

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Operating the Vertical-Rising Glass Sash
Because of the Protector PVC Perchloric Acid Hood’s counterbalanced sash
mechanism, it will take only a few pounds of force to move the sash up or down,
and you can operate the sash smoothly with one or two hands positioned any
where along the handle. The glass sash is suitable for use with Perchloric acid.
The vertical-rising sash may be raised to a maximum 28" operating height. The
airflow requirements should be sized for the 28" operating height; if using sash
stops then the airflow requirements can be reduced by approximately 40% at 18"
or approximately 50% at 15".
Operating the Vertical-Rising Lexan Sash
Because of the Protector PVC Acid Digestion Hood counterbalanced sash
mechanism, it will take only a few pounds of force to move the sash up or down,
and you can operate the sash smoothly with one or two hands positioned any
where along the handle. The Lexan sash prevents fogging caused by hydrofluoric
acid (HF). The Lexan sash is suitable for acids other than Perchloric acid, which
can react with the Lexan plastic. The airflow requirements should be sized for the
28" operating height, if using sash stops then the airflow requirements can be
reduced by approximately 40% at 18" or approximately 50% at 15".
Operating the Blower
Your Protector PVC Fume Hood utilizes a remote style blower, which can be
activated by turning the blower switch to “ON.” You can validate the hood
performance by watching smoke drawn into the hood face opening.
Operating the Lights
Your Protector PVC Fume Hood utilizes a factory-wired fluorescent light to
illuminate the hood interior. Simply turn the light switch to “ON” to operate.
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