TSI Instruments Aerotrak 9303 User Manual

3-8 AeroTrak
®
Handheld Airborne Particle Counters
Option
Description
Parameters
Sample Units
Use < and > to set
the sampling units.
Liter; cubic feet
Channel 2 Size
Use < and > to set
the bin size for
channel 2. (This is
the only channel that
can be set to more
than one value.)
0.5, 1.0, 2.0, 2.5 µm
NOT ICE
When concentration sample mode is used with short sample times (less
than 30 seconds), the concentration may not be accurate due to the
poor counting and timing statistics associated with a short sample.
Buffe r M en u
The Buffer Menu lets you view the number of records stored in the
Model 9303, display buffer records, and clear the buffer.
BUFFER MENU
# of Records
0035/1500
Show Buffer Record
Clear Buffer
Buffer Menu
The following table describes the options of this menu and the parameters
you can set.
Option
Description
Parameters
# of Records
Shows the number or sample records
stored in the Model 9303.
None
Show Buffer
Record
Press the Enter key to go to a
secondary screen where you can
select the record (by sample number)
of the record you want to view.
Any record
number (up
to 1500)
Clear Buffer
Press the Enter key to clear all
samples in the buffer. You will be
asked to confirm your request.
None

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