5-1
CHAPTER 5
Maintenance
The chapter contains maintenance and troubleshooting solutions
for the Model 9310/9510/9350/9550/9500 A
EROTRAK™ Portable
Airborne Particle Counters.
There are no user-serviceable parts inside this instrument. Opening the
instrument case may void the warranty. TSI recommends that the
A
EROTRAK™ Airborne Particle Counter be returned to the factory for any
required maintenance or service not described in this manual. Cleaning
can be done without removing the instrument case.
Maintenance Schedule
TSI recommends annual factory cleaning and calibration for the
A
EROTRAK™ Airborne Particle Counter. See Chapter 7, "Contacting
Customer Service" for service/calibration.
Recommended Field Maintenance Schedule
Item Frequency
Zero check Daily or according to application
Clean inlet Monthly, or as needed.
Factory cleaning and calibration Annually.
Cleaning the instrument enclosure As needed
Zero Check
The zero check ensures that the instrument is properly assembled
and free from leaks, residual particles, and electronic noise.
Please see Chapter 2, “Getting Started
” for detailed instructions
on performing the zero check.
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