TSI Instruments Aerotrak 9303 User Manual

5-1
C H A P T E R 5
Maintenance
NOT ICE
There are no user-serviceable parts inside this instrument. Opening the
instrument case may void the warranty. TSI
®
recommends that you
return the AeroTrak
®
Airborne Particle Counter to the factory for any
required maintenance or service not described in this manual.
Mainte n a n c e S c he d u le
TSI
®
recommends annual factory cleaning and calibration for the
AeroTrak
®
Airborne Particle Counter. See Chapter 7, "Contacting
Customer Service" for service/calibration.
Recommended Field Maintenance Schedule
Item
Frequency
Zero check
Daily (or as defined by application).
Factory cleaning and calibration
Annually.
Cleaning the instrument
enclosure
As needed.
Zero C h e c k
The zero check ensures that the instrument is properly assembled and free
from leaks, residual particles and electronic noise.
Cleanin g th e I ns tr um en t E n c l os ur e
To clean the enclosure, dampen a lint-free cloth and gently wipe the
surface until surface contamination is removed.

TSI Instruments Aerotrak 9303 Specifications

General

Size Range .	0.3 to 25 µm
Channel Sizes .	0.3 µm and 5.0 µm fixed; 0.5, 1.0, 2.0, or 2.5 µm selectable middle channel.
Counting Efficiency .	50% at 0.3 µm; 100% for particles > 0.45 µm (per ISO 21501-4 and JIS)
Concentration Limits .	2, 000, 000 particles/ft3 at 5% coincidence loss
Zero Count Level .	<1 count / 5 minutes (per ISO 21501-4 and JIS B9921)
Flow Rate .	0.1 CFM (2.83 L/min)
Calibration .	NIST traceable with TSI® calibration system
Sampling Modes .	Manual and automatic
Sampling Time .	1 second to 99 minutes 59 seconds
Sampling Frequency .	1 to 999 cycles or continuous
Light Source .	Long life laser diode
Sample Probe/Tubing .	Isokinetic sampling probe
Exhaust .	Internal HEPA filter
Vacuum Source .	Internal pump
External Surface .	High impact injection molded plastic
Communication Mode .	USB serial output
Data Storage .	1, 500 sample records
Status Indicators .	Low battery and service
Display .	3.2-in. (8.1 cm) 160 x 160 monochrome LCD
AC Power . (power to AC adapter)	110 to 240 VAC 50-60 Hz Universal in-line power supply with country specific plugs
DC Power . (power to instrument)	9 VDC @ 1.5 A
Battery .	Rechargeable Li-Ion
Battery Life .	Up to 4.5 hours of continuous use
Recharge Time .	< 3 hours

Weight and Dimensions

Dimensions (L x W x H)	9.1 x 6.3 x 2.4 in. (23 x 11 x 6.2 cm) (without isokinetic inlet)
Weight .	1.3 lbs (0.58 kg) with battery