TSI Instruments Aerotrak 9303 User Manual

6-1
C H A P T E R 6
Troubleshooting
Symptom
Possible Cause
Corrective Action
Counts are too low.
Instrument is being
operated outside
temperature or relative
humidity
specifications.
Operate instrument within
specifications.
Internal parts have
been damaged
because instrument
was stored at a
temperature greater
than 122 °F (50 °C) or
shipped with battery
installed and turned
on causing
excessive heat.
Return to factory or
factory authorized service
centers for service.
Instrument has
contamination on the
optics due to
condensation or
excessive loading.
Return to factory or
factory authorized service
centers for service.
Laser or pump is
damaged.
Return to factory or
factory authorized service
centers for service.
Unit is due for
calibration.
Return to factory or
factory authorized service
centers for service.
Instrument does not
turn on.
On/off switch is not
being pressed
properly.
Battery is dead.
AC cord is not
plugged into unit.
Press and hold on/off
switch for one second.
Recharge battery or
connect to AC power.
Connect AC cord.

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