Prepare the PortaCount Fit Tester for Operation 25
When you change your wireless connection to access the
PortaCount Fit Tester you will not have access to other network
connections. This will limit functionality such as e-mail and
network printing.
Using a Particle Generator (optional)
If minimum ambient particle concentration levels needed for fit testing
are not present, particles must be generated. The best way to
generate particles is with the optional TSI Particle Generator
Model 8026. The Model 8026 Particle Generator supplements
naturally occurring particles with non-toxic salt (NaCl) particles in the
appropriate size range for the PortaCount Fit Tester. The particle
generator uses a 100-mg salt tablet (sodium chloride or NaCl),
dissolved in distilled water.
Refer to the generator’s manual for information on its operation and
maintenance, or refer to the Particle Generator Model 8026
information on the TSI Web site www.tsi.com.
Follow these additional important guidelines when using the
Model 8026 Particle Generator with a PortaCount Fit Tester:
Keep the particle generator or any other sources of particle
generation at least 6 feet/1 meter away from the PortaCount Fit
Tester during operation.
For the particle generator to function properly, operate the
generator and conduct the fit tests in an enclosed area. A room
smaller than 400 ft
2
/20 m
2
would provide the best conditions.
Particle generation will not function as efficiently in an open
cubicle area or a very large room.
Use the particle generator and other forms of particle generation
sparingly, when needed. Often they are only needed in the
morning hours or at the beginning of fit testing. DO NOT operate
any form of particle generation if ambient particle concentrations
are above 8,000 particles/cm
3
for the Model 8040 or 8048 when
testing respirators with 99% efficiencies or greater, or above
800 particles/cm
3
for the Model 8048 when testing respirators
with <99% efficiencies.
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