TSI Instruments Aerotrak 9303 Service Manual

General Maintenance–Models 7201, 7301, 7310, 7501, 7510 3-3
3. Wet swab with
Isopropyl
alcohol.
4. Remove excess
alcohol from swab
(using method that
works best for you).
5. Orient wide part of
swab parallel with
back of unit and clean
the entire interior
length of Remote
Particle Counter’s
“inlet nozzle.”
6. Blow out the “inlet nozzle” with the
“air supply nozzle” for 20 seconds.
Hold the “air supply nozzle” just
above the “inlet nozzle.”
7. Check—For the Remotes models with “Flow,” after the “Blow Out”
step, check the attachment of the two small blue tubes that measure
the “Delta P” across the critical orifice to make sure they did not
come off.
Opening the Case
To open the case of a Remote Particle Counter, follow these steps:

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