The Model 357BWC is a single range, ionization chamber monitor for the measurement
of tritium. It is contained on a mobile stainless steel cart and is suitable for moving to
multiple sampling points and for continuous duty. The display /control unit is enclosed
in a NEMA 12 enclosure on top the cart. It is suited for the monitoring of rooms, glove
boxes, fume hoods, exhaust stacks and systems, as well as process piping. The NEMA
enclosure has a hinged door with a tempered glass window and is double hinged so
that it can be opened for servicing the various components inside.
Major distinguishing features include the following:
• 1-10,000 μCi/m3
• Quad 2L Ionization Chambers (gamma compensation)
• Contamination/Plate-out Proof Design (wire grids)
• Alpha Pulse Suppression (radon compensation)
• Dual Desiccant Dryer Cartridges (noble gas compensation)
• Heavy duty pump, HEPA filter and Flow Meter
