New-Tech's Fume Hood Automatic Sash Positioning System


ASPS™ Sash Operator The Automatic Sash Positioning System is a sash closer for any vertically rising fume hood sash.
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The ASPS™ Component Details
New-Tech ASPS Component Drawing

Exterior, Active Infrared Presence Sensor:
The Presence Sensor provides the ASPS™ with the ability to know when a technician is in front of the fume hood. The Active Infrared technology provides distinction between a technicians and chairs or carts. The Presence Sensor is adjustable to allow for tight viewing area, close to the sash, or full isle width.

Cable Cylinder:
A pneumatic Cable Cylinder provides a smooth constant force fume hood sash movement (meets ANSI/AIHA Z9.5-2003 with less than 10 lbs. of force). Precision flow control allows the ASPS to open the fume hood sash quickly while closing the fume hood sash slowly, safely.

Half Sash Switch:
A Rocker Switch mounted behind the sash allows the ASPS™ to repeatedly open the fume hood sash to your "Safe Working Height" typically 12 to 18 inches.

ASPS™ Selector Switch (Auto Open - Push Button):
The Selector Switch allows the user to select whether the ASPS automatically opens the sash when they arrive in front of the fume hood or requires that the Push Button be activated in order to minimize accidental openings of the fume hood sash. Incorporated into the Selector Switch is an amber pilot light that indicates when an object has stopped the closing of the sash. Other optional Selector Switches allow for multiple opening heights and totally manual operation of the fume hood sash.

Cord Guides:
Cord Guides provide good fume hood house keeping, and to ensure that the Interior Sash Eye does not accidentally pick up any cords or tubes.

Push To Open Button:
With most ASPS system, Push-to-Open buttons are provided to activate the opening of the fume hood sash and to reset the sash after an object has been detected in the path of the fume hood sash

Interior Sash Eye & Reflector Sash Object Detector:
The patented Interior Sash Eye detects objects in the path of an automatically closing sash and when adjusted properly will allow the ASPS to stop the fume hood sash before contacting the object.(meets ANSI/AIHA Z9.5-2003 obstruction sensing capable)