Differential Pressure Module (with Internal Sensor)
32 Administrator Guide v 2.2 Thermo Scientific Smart-Vue
®
Wireless Monitoring Solution
6 Differential
Pressure Module
(with Internal
Sensor)
6.1 Package Contents • Smart-Vue wireless monitoring module with battery – 3.6 V Lithium,
3600 mA
• Calibration certificate (if purchased with calibration option)
downloadable on-line directly from within Smart-Vue Client software
• Clear Tygon® hose (diameter: 4 mm; length 50 cm)
• 4 mm to 5 mm hose “T” adapter
• Smart-Vue mounting kit with plastic holder, magnet, screws, cable ties
and plastic cable holders and Velcro®
• Documentation CD-ROM (including an MS Excel spreadsheet for
recalculating correction parameters based on altitude and hose length).
6.2 Product Overview The Smart-Vue differential pressure module contains two pressure sensors,
enabling you to compare the relative pressure between two areas, such as
physically separated rooms.
This module is typically placed in the room in which the ambient pressure is
considered as “normal.” A tube is placed on one of the module’s inputs to
measure the pressure in another room. The Smart-Vue differential pressure
module is particularly suitable for use in monitoring “clean” and “dirty”
laboratory areas.
For example, in Case 1 the tube is placed in an area where the pressure
should be higher than where the module is placed, such as in a “clean” room
(whose higher pressure pushes outward into the normal room in order to
keep microbes from entering).
The through-the-wall approach will require a pass-through for the provided
tubing to be able to penetrate the wall. The pass-through should be 5.6 mm
or 7/32" in diameter.
Case 2 shows the opposite. The tube is placed in an area where the pressure
should be lower than where the module is placed, such as in a “dirty” room
(whose lower pressure keeps microbes from escaping out into the normal
room).
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