TSI Instruments Aerotrak 9303 User Manual

Operation 3-7
Sample M e n u
The Sample Menu sets sample mode, cycle mode, sample time, hold time,
cycle count, sample units, and channel 2 size.
SAMPLE MENU
Sample Mode
COUNTS
Cycle Mode
AUTO
Sample Time
01:00
Hold Time
00:30
Cycle Count
010
Sample Units
LITER
Chan 2 Size
0.5µm
<
>
Sample Menu
The following table describes the options of this menu and the parameters
you can set.
Option
Description
Parameters
Sample Mode
Use < and > to set
the sampling mode.
Concentration (see notice
below); counts
Cycle Mode
Use < and > to set
the sampling mode.
Manual – the counter will start
when the RUN soft key is
pressed and stop only when the
STOP soft key is pressed.
Auto – the counter will start
when the RUN soft key is
pressed and turn on and off
automatically to follow the
sample time, hold time and cycle
count parameters below.
Sample Time
Press the Enter
key to go to a
secondary screen
where you can set
the sample time.
Minutes and seconds up to 99:59
(see note below)
Hold Time
Press the Enter key
to go to a secondary
screen where you
can set the time
between samples.
Minutes and seconds up to 99:59
Cycle Count
Press the Enter key
to go to a secondary
screen where you
can set the number
of samples to take.
1 to 999

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