Chapter 3: Getting Started
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15
Original instructions
Nitrogen Gas Connection
Turn the gas supply off. Install a barb fitting suitable for a 1/4" I.D. hose into the
“out” port of the regulator. Clamp securely. Alternately, a compression fitting
may be used that is suitable for a hose with a 3/8" O.D. and 1/4" I.D.
THE NITROGEN PRESSURE MUST NEVER BE ALLOWED
TO EXCEED 20 PSI. (103 KPA)
Exhaust Port
If the RapidVap N
2
is not located in a fume hood, attach one end of the two inch
diameter venting hose that is supplied with the RapidVap to the exhaust port on the
right side of the unit. Clamp securely. Route the other end to a fume hood or
other laboratory ventilation device.
Electrical Connection
Plug the power cord into the receptacle on the back of the RapidVap and plug the
other end into a suitable wall power receptacle.
Calibrate the Vacuum Sensor
The vacuum sensor can be calibrated to room ambient atmospheric pressure. To
do this, determine the atmospheric pressure using a known reference device such
as a mercury barometer. Press and hold the vacuum release button on the
RapidVap while turning on the RapidVap power switch. Use the increase or
decrease buttons to make the vacuum display agree with the reference pressure.
Press run to store the calibration in memory.
Chemical Attack on RapidVap
Components
Your RapidVap Evaporation System is designed to be chemical resistant to most
compounds that are commonly used in the concentration processes that are
performed in it. However, by necessity, the RapidVap is comprised of a number of
different materials, some of which may be attacked and degraded by certain
chemicals. The degree of degradation is obviously dependent on the concentration
and duration of exposure. Some of the major components of the RapidVap that are
susceptible to degradation are as follows:
N
N
V
