UltraRAE 3000 User’s Guide
18 Optional Accessories
18.1 Calibration Adapter
The calibration adapter for the instrument is a simple 6-inch Tygon
tubing with a metal adapter on one end. During calibration, simply
insert the metal adapter into the regular gas inlet probe of the
instrument and the tubing to the gas regulator on the gas bottle.
18.2 Calibration Regulator
The Calibration Regulator is used in the calibration process. It
regulates the gas flow rate from the Span gas cylinder into the gas
inlet of the instrument during calibration process. The maximum flow
rate allowed by the flow controller is about 0.5L/min (500 cc per
min.). Alternatively, a demand-flow regulator or a Tedlar gas bag
may be used to match the pump flow precisely.
18.3 Organic Vapor Zeroing Kit
The Organic Vapor Zeroing Kit is used for filtering organic air
contaminants that may affect the zero calibration reading. To use the
Organic Vapor Zeroing Kit, simply connect the filter to the inlet port
of the instrument.
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