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© 2012 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
985
Airborne Particle Counter
Users Manual
LIMITED WARRANTY AND LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is
one year and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty extends only to
the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product
which, in Fluke's opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation
or handling. Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has
been properly recorded on non-defective media. Fluke does not warrant that software will be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to
extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke
authorized sales outlet or Buyer has paid the applicable international price. Fluke reserves the right to invoice Buyer for importation costs of
repair/replacement parts when product purchased in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or replacement of a defective
product which is returned to a Fluke authorized service center within the warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain return authorization information, then send the
product to that service center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). Fluke assumes no risk
for damage in transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke
determines that failure was caused by neglect, misuse, contamination, alteration, accident, or abnormal condition of operation or handling,
including overvoltage failures caused by use outside the product’s specified rating, or normal wear and tear of mechanical components,
Fluke will provide an estimate of repair costs and obtain authorization before commencing the work. Following repair, the product will be
returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges (FOB Shipping
Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR
LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or
consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held
invalid or unenforceable by a court or other decision-maker of competent jurisdiction, such holding will not affect the validity or enforceability
of any other provision.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
i
Table of Contents
Title Page
Introduction .................................................................................................................... 1
How to Contact Fluke ..................................................................................................... 1
Applications .................................................................................................................... 1
Safety Information .......................................................................................................... 2
Battery ............................................................................................................................ 3
Product Overview ........................................................................................................... 3
The Buttons ............................................................................................................... 5
Product Connections ................................................................................................. 6
Charge Base Connections ......................................................................................... 7
Operation ....................................................................................................................... 8
Power On/Off ............................................................................................................. 8
Product Test .............................................................................................................. 8
How to Purge the Product Sensor ............................................................................. 8
How to Take a Sample .............................................................................................. 9
Navigation Menu........................................................................................................ 9
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Sample Screen Menu ............................................................................................... 10
Buffered Data Menu .................................................................................................. 11
Setup Menus ............................................................................................................. 11
Sample Setup Submenus ......................................................................................... 13
Alarm Setup Submenu ......................................................................................... 13
Data Display Setup Submenu .............................................................................. 13
Setting the Method of Counting Data ................................................................... 14
Location Setup Submenu ..................................................................................... 14
Communication Setup Submenus ............................................................................. 15
Communication Setup .......................................................................................... 15
General Setup Submenu ...................................................................................... 15
Diagnostics Submenu .......................................................................................... 15
Login Submenu .................................................................................................... 16
Trend Data ........................................................................................................... 17
Data Export .................................................................................................................... 18
How to Move Product Data to a PC with a USB Cable ............................................. 18
How to Move Product Data to a Flash USB Drive ..................................................... 18
How to Move Product Data with an Ethernet Cable .................................................. 19
Maintenance .................................................................................................................. 21
Specifications ................................................................................................................ 22
General ..................................................................................................................... 22
Environmental ........................................................................................................... 23
iii
List of Tables
Table Title Page
1. Symbols ................................................................................................................................. 3
2. Product Components ............................................................................................................. 5
3. Buttons .................................................................................................................................. 5
4. Product Connections ............................................................................................................. 6
5. Charge Base Connections ..................................................................................................... 7
6. Main Menu Icons ................................................................................................................... 9
7. Sample Options ..................................................................................................................... 12
8. Sample Setup Submenus ...................................................................................................... 13
9. Location Submenu Icons ....................................................................................................... 14
10. Communication Submenu Icons ............................................................................................ 15
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v
List of Figures
Figure Title Page
1. Product Components ............................................................................................................. 4
2. Product Connections ............................................................................................................. 6
3. Charge Base Connections ..................................................................................................... 7
4. Sample Screen ...................................................................................................................... 10
5. Exported Data ....................................................................................................................... 20
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1
Introduction
The Fluke 985 Airborne Particle Counter (the Product) is
a portable instrument that measures and reports air
contamination.
The Product stores 10,000 samples in memory and
records the date, time, counts, and sample volume of
each sample.
Use the supplied USB cable, an Ethernet connection, or a
flash USB drive (not supplied) to download data to a PC.
How to Contact Fluke
To contact Fluke, call one of the following telephone
numbers:
Technical Support USA: 1-800-44-FLUKE
(1-800-443-5853)
Calibration/Repair USA: 1-888-99-FLUKE
(1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-675-200
Japan: +81-3-6714-3114
Singapore: +65-6799-5566
Anywhere in the world: +1-425-446-5500
Or, visit Fluke's website at www.fluke.com.
To register your product, visit http://register.fluke.com.
To view, print, or download the latest manual supplement,
visit http://us.fluke.com/usen/support/manuals.
Applications
The Particle Counter can be used to:
Monitor cleanrooms
Investigate indoor air quality
Monitor gowning rooms
Test filter seals
Locate particle contamination sources
Monitor particle size distributions
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Safety Information
A Warning identifies conditions and procedures that are
dangerous to the user. A Caution identifies conditions
and procedures that can cause damage to the Product or
the equipment under test.
Warning
To prevent possible electrical shock, fire, or
personal injury:
The Product contains a laser device and
a rechargeable lithium battery pack. Do
not disassemble this Product, it contains
no user-serviceable parts.
Do not use, and disable the Product if it
is damaged.
Use the Product only as specified or
hazardous laser radiation exposure can
occur.
Do not open the Product. The laser beam
is dangerous to eyes. Have the Product
repaired only by an approved technical
site.
Do not look directly into the laser with
optical tools (for example, binoculars,
telescopes, microscopes). Optical tools
can focus the laser and be dangerous to
the eye.
Do not use the Product if it operates
incorrectly.
Read the entire Users Manual before
using the Product.
Airborne Particle Counter
Battery
3
Table 1 tells you about symbols used on the Product and
in this manual.
Table 1. Symbols
Symbol Description
 Risk of Danger. Important information.
See Manual.
Hazardous voltage. Risk of electrical
shock.
Do not dispose of this product as
unsorted municipal waste. Go to Fluke’s
website for recycling information.
Conforms to European Union directives.
Warning. Laser.
Conforms to relevant Australian
standards.
This product contains a Lithium-ion battery.
Do not mix with the solid waste stream.
Spent batteries should be disposed of by a
qualified recycler or hazardous materials
handler per local regulations. Contact your
authorized Fluke Service Center for
recycling information.
Battery
A rechargeable Lithium-ion battery powers the Product.
After you unpack and examine the Product, fully charge
the battery before the first use. After the initial charge,
charge the battery when the battery icon on the screen
shows that battery power is low.
To charge the battery:
1. Put the Product on the Charge Base.
2. Connect the ac adapter to a power source.
3. Connect the ac adapter to the dc input socket on the
Charge Base.
An amber light on the front of the Charge Base shows
that the base is powered. The light changes to green
when the Product is connected to the base.
If the ac adapter cord is connected to the Product, a
green light shows above the power jack.
If the Product is on, the battery icon flashes as the battery
charges. The icon is solid (does not flash) when the
battery is fully charged. Approximately 3.5 hours is
necessary to charge a discharged battery. The battery is
not user-serviceable.
Product Overview
This section gives you a brief description of each Product
component. See Figure 1 and Table 2 to see the items
that are shipped with the Product.
4
1
2
7
8
9
10
6
12
11
3
4
5
gud003.eps
Figure 1. Product Components
Airborne Particle Counter
Product Overview
5
Table 2. Product Components
Item Description
The Product
Zero-Count Filter
Filter Adapter
Probe Cap
Product Charge Base
USB Cable
Ethernet Cable
AC Adapter
International Power Plug Adapters
985 Getting Started
985 User Manual CD
Product Carrying Case
The Buttons
See Table 3 for a description of the Product buttons. For
more information on the buttons, see the “Operation”
section.
Table 3. Buttons
Button Description
Power- Push to turn the Product ON.
Push again and hold for 3 seconds to
turn the Product OFF .
Menu- Push to access the Product
menus. The Menus are: Sample
Screen, Buffered Data Screen, Sample
Setup, Communication Setup, and
Trend Data. Sample Setup and
Communication Setup also have
submenus.
Enter/Select- Push to select a menu
option. Also use to start and stop a
sample when in the Sample Screen.
 Navigation- Push to move through the
Product menus, menu selections, and
to change values.
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Product Connections
Power and data connections are on the bottom of the
Product and on the rear of the Charge Base. The
Ethernet connection is only available on the base. Table 4
and Figure 2 show you the Product connections.
Table 4. Product Connections
Item Description
Power Charge LED
USB Port
Base Input
Flash USB drive Port
Tripod Mount
DC Power Input
3
2
6
4
5
1
gud001.eps
Figure 2. Product Connections
Airborne Particle Counter
Product Overview
7
Charge Base Connections
Power and data connections are also on the rear of the
Charge Base. The Ethernet connection is only available
on the base. Table 5 and Figure 3 show you these
connections.
Table 5. Charge Base Connections
Item Description
Ethernet Port
DC Power Input
USB Port
"
12V 1.2A
321
gud006.eps
Figure 3. Charge Base Connections
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Operation
The subsequent sections tell you about Product
operation.
Power On/Off
Push to turn-on and turn-off the Product.
When the Product is turned on, a splash screen shows,
followed by the default sample screen.
You can start to collect samples immediately from the
sample screen. The samples use the default or stored
sample setup values that you can configure.
Before you use the Product, make sure the battery is fully
charged. See “The Battery” section.
Product Test
Electrical noise, sensor leakage, or other interference can
cause the Product to give incorrect data.
To check operation:
1. Attach the Zero-Count Filter.
2. In the Data Display Setup screen, enable the 0.3 μm
channel and set Concentration mode to COUNTS.
3. In the Sample Setup screen:
1. Set the sample time to 5 minutes
2. Set the hold time to 00:00:00
3. Set the delay time to 00:00:03
4. Set the MODE to Automatic
5. Set the number of CYCLES = 2.
4. Start the Product sampling and let it complete the 2 x
5 minute samples.
5. Examine the particle counts from the sample. Counts
must align with these specifications for instrument
operation to be verified:
No more than 1 particle >0.3 μm in 5 minutes
How to Purge the Product Sensor
Particles must be purged (removed) from the Product
sensor before use in a clean room or clean environment,
and after each high-sampling count. To purge the sensor:
1. Attach the adapter and the Zero-Count Filter.
2. Set the Product to sample continuously (set the
Count Mode to Cumulative.)
3. Start the count procedure. Continue the count
procedure until there are no new counts.
4. Remove the Zero-Count Filter for normal operation.
Airborne Particle Counter
Operation
9
How to Take a Sample
Before you take a sample, make sure that you remove
the protective cap. To take a sample, select the Sample
screen and push . The Product samples with values in
the Sample Setup menu. To stop a sample, let the
sample procedure complete or push again. See the
“Sample Setup Menu” section to set the sample values.
Navigation Menu
The navigation menu lets you move through the five
different sections of the Product software. To go to the
Navigation menu, push . The live navigation icon in the
middle of the screen is larger and brighter than the other
icons. There are five main menus. See Table 6.The
Sample Setup and Communication Setup menus also
have submenus. See the “Sample Setup Submenus”
section.
Table 6. Main Menu Icons
Icon Menu Item
Sample Screen
Buffered Data Screen
Sample Setup
Communication Setup
Trend Data
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To get in to the navigation menu and select a menu
option:
1. Push .
2. Push or to highlight a menu icon. Arrows above
and below an icon show that there is a submenu
item.
3. Push or to move through the submenus.
4. Push to choose the highlighted icon. The
submenu or screen for the selected submenu is
shown.
5. Evaluate, edit data, and configure fields as
necessary.
Fields and controls in a screen can include radio buttons,
text fields, and numeric fields, check boxes and drop
down menus. An onscreen keyboard shows when a text
field is necessary. Use the keyboard to record data in the
field.
Sample Screen Menu
The sample screen is the default screen that shows after
the Product is turned-on. The screen shows the current
sample settings as you take samples. Push or to
select from loaded locatons. See Figure 4.
samplescreen.jpg
Figure 4. Sample Screen
Airborne Particle Counter
Operation
11
Buffered Data Menu
The Product can store 10,000 samples. To see the
Buffered Data:
1. Push .
2. Push until the Buffered Data Screen Menu icon
shows.
3. Push to see the buffered data samples.
4. To move through each sample, push or . Hold
down or to move through the samples faster.
Delete Records
From the Buffered Data Screen menu, you can erase all
of the samples:
1. Push to highlight .
2. Push .
3. The Product gives you a selection to erase the data.
4. To erase the data, push to highlight and push
. All data is erased.
To exit this menu, keep highlighted and push .
The Product goes to the buffered data screen.
Setup Menus
There are two setup menus:
Sample Setup
Communication Setup
Use these menus and their submenus to configure the
Product.
Note
In the setup menus there is Help. To access
Help, use the Product buttons to highlight and
push . An explanation of the setup menu is
shown. When completed, push to go back to
the previous menu.
Sample Setup Menu
To see the primary Sample Setup Menu:
1. Push .
2. Push until the Sample Setup Menu icon shows.
3. Push to go to the Sample Setup screen.
From this menu, you can set the parameters shown in
Table 7.
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Table 7. Sample Options
Option Description
Method
Time: The Product samples for the time recorded in this field.
Range: 00:00:01 to 23:59:59. In the Time-based sampling method, this value plus the hold time equals
one cycle.
Volume: The Product sample is equal to the volume recorded in this field. In the volume-based sample
procedure, this value, plus the hold time, is equal to one cycle. The sample stays at the estimated
value.
Hold The time between samples. Range: 00:00:00 to 23:59:59
Delay The time before the first sample starts after is pushed. Range: 00:00:03 to 23:59:59.
Cycles
The total of sample and hold intervals. Range: 0 to 999.
When in Automatic mode, the Product stops after the last cycle is complete. A value of 0 makes the Product
run until you push .
Mode
Automatic: the Product samples refer to the recorded parameters.
Manual: the Product samples once and stops.
Beep: Uses Automatic mode settings but ignores count alarm settings. The Product beeps for each particle
counted.
Airborne Particle Counter
Operation
13
Sample Setup Submenus
The Sample Setup Menu includes three submenus.
Submenu icons are shown in Table 8 and the subsequent
sections tell you about these submenus.
Table 8. Sample Setup Submenus
Icon Submenu Item
Alarm Setup
Data Display Setup
Location Setup
Alarm Setup Submenu
The Product Alarm can be set to trigger from different
particle dimensions. To update or change a parameter:
1. From the primary Sample Setup Menu icon, push
to show the Alarm Setup icon.
2. Push to go into the submenu.
3. You can set the Product Alarm to sound when
Particle sizes from 0.3 µm to 10.0 µm.
Use the Product buttons to select and record the menu
data.
Data Display Setup Submenu
How the Product shows and keeps data can be changed
in the Data Display Setup submenu. To update or change
a parameter:
1. From the main Sample Setup Menu icon, push
twice to show the Data Display Setup icon.
2. Push to go into the submenu.
3. Use the Product buttons to select and record the
menu data.
4. Push to configure the parameter.
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The Data Display Setup screen includes check boxes,
radio buttons and drop-down menu fields. The Sample
screen changes to agree with the display setup.
Parameters such as font size can be different for different
configurations.
Setting the Method of Counting Data
The choices for data counting are:
Cumulative
Cumulative counting mode includes all particles that are
greater than or equal to the particle size selected in the
Sample Volume field.
Differential
Differential counting mode includes all particles that are
greater than or equal to the particle size selected in the
Sample Volume field, but less than the next largest
particle size.
Location Setup Submenu
Sample location can be recorded for the samples. If the
Product is used in multiple areas, it will make the samples
clear if the sample location was recorded. 75 locations
can be added.
To update or change a location parameter:
1. From the primary Sample Setup Menu icon, push
three times to show the Location Setup icon.
2. Push to enter the submenu.
3. Use the Product buttons to choose an action for the
location setup. See Table 9.
4. After the location data is changed, push to return
to the navigation menu.
Table 9. Location Submenu Icons
Icon Description
Add a location
Edit a location
Delete a location
In the locations, use this to move a
selected location down in the list.
In the locations, use this to move a
selected location up in the list.
Airborne Particle Counter
Operation
15
Communication Setup Submenus
The Communication Setup Menu includes two submenus.
Submenu icons are shown in Table 10 and the
subsequent sections tell you about these submenus.
Table 10. Communication Submenu Icons
Icon Submenu Item
General Setup
Diagnostics
Login
Communication Setup
Check DHCP for automatic LAN configuration or uncheck
it to set an IP address, Subnet, and Gateway manually.
General Setup Submenu
Product hardware setup can be changed with the General
Setup submenu. These parameters can be changed:
Backlight Timeout in seconds: 000 to 999 seconds
Backlight Contrast: High, Medium, or Low
Security: You can add a password for the Product.
The default password is “123456”. If password is
changed and lost, contact Fluke Customer Service to
reset it. See the “How to Contact Fluke” section.
Feedback Volume: Mute, Low, Medium, High
The Current System Date: MDY, YMD, DMY formats
The Current System Time: 12 hour or 24 hour
To exit the submenu, push .
Diagnostics Submenu
The Diagnostics Submenu shows you static product
information:
Model Number
Serial Number
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Users Manual
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The submenu also shows dynamic data that you can see
as a sample is taken:
Present Battery Voltage
Calibration: OFF or a voltage during a live sample
Laser Current: OFF or mA during a live sample
Motor Current
Pump Hours (cumulative)
Laser Hours (cumulative)
Calibration Date
Calibration Due Date
At the bottom of the screen, there are these
abbreviations, with versions listed:
FW = firmware
BL = Bootloader
FP = FPGA code
HW = hardware
BD = Board Dash number
To exit the submenu, push .
Login Submenu
As stated prior, you can lock the General Setup submenu
so that the parameter settings cannot be changed.
If the General Setup submenu is locked:
1. Push or to highlight .
2. Push to access the login screen.
3. Enter the password.
The general setup items can now be changed. You can
disable password security in the General Setup submenu,
but until you disable it, you are still in security mode and it
will be necessary for you to enter the password each time
you want to go to the General Setup submenu.
Airborne Particle Counter
Operation
17
Trend Data
The Product can show you data trends with the Trend
Data screen.
Data trends are plotted and graphed in size and count
values over time. The graph updates automatically as
new data is available. Historical data can also be plotted
by location.
To plot particle size data in real time:
1. Push and or to get to the Trend Data icon.
2. Push to enter the Trend Data Screen. The Trend
Graph screen is shown.
3. Push .
The Graph Setup screen is shown with the Sampling
Control icon active by default.
4. Push to start the sample process with the current
setup or change the settings in the Graph Setup
screen first, then highlight the Sampling Control icon
and push . The sample process starts.
Note
Refer to the Help screen for more information
about Graph Setup.
The right side of the trend graph is fixed at the most
recent sample. Push to adjust the number of sample
points displayed in the trend graph. The maximum
number of samples displayed is 255. Use and to
adjust the Y axis scale.
Note
If historical location data is selected for review at
the Trend setup screen, the x-axis will only be
linear if the sample times of each of the data
records are the same.
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Data Export
The Product stores collected data in flash memory. The
data is stored until the data is cleared and is retained
when the Product is off. Data can be moved to a PC or
laptop with a USB cable, a flash USB drive, or transmitted
through an Ethernet connection. A sample report, seen in
Excel, is shown in Figure 5.
How to Move Product Data to a PC with a USB
Cable
To move Product data to a PC with a USB cable:
1. Connect the USB cable to the Product or the Charge
Base USB port. If you use the Charge Base, the
Product must be on the base. See the “Product
Connections” and “Charge Base Connections”
sections. When you connect the USB cable, you will
see .
2. Use Windows Explorer to go to the HPC USB Drive.
3. Windows Explorer will open and show you the
Data.tsv file icon. Right click on the file and open it
with Excel or a text editor. A sample report, seen in
Excel, is shown in Figure 5.
How to Move Product Data to a Flash USB Drive
To move Product data to a flash USB drive:
1. Connect the USB flash drive to the Product USB
drive port. See Figure 2. When you connect the USB
drive, wait for the USB drive icon ( ) to show at the
bottom of the display.
2. Push and go to the Buffered Data Screen.
3. Push .
4. Push to highlight the data export icon ( ).
5. Push to export the data to the flash USB drive.
To see the data:
1. Use Windows Explorer to go to the flash USB drive.
2. On the drive, there will be a Data.tsv file. Double click
the file open it. The file can be opened with a text
editor or Microsoft Excel. A sample report, seen in
Excel, is shown in Figure 5. Note that each time you
download data to the drive, previously downloaded
data is overwritten.
Airborne Particle Counter
Data Export
19
How to Move Product Data with an Ethernet
Cable
To move Product data to a PC with an Ethernet cable,
you can connect the Ethernet cable to the PC or directly
to an Ethernet connection source.
If you connect directly to the PC Ethernet port, you must
be able to connect to the network, for example, with a
wireless connection. With this setup, the Product IP
address and subnet will need to be set manually.
1. The Charge Base must be used for Ethernet
connectivity. Connect the Ethernet cable to the
Charge Base Ethernet port and to the Ethernet
source. The Product must be on the base. See the
“Charge Base Connections” section.
When the Ethernet cable is connected, you will see
the Ethernet connection icon on the lower display
().
2. With a web browser, go to the internet address
HPC[Product Serial Number]. After “HPC” add your
Product serial number without brackets. A website
where you can download the Data.tsv file to your PC
opens.
3. Double click on the filename to download or open the
file.
To see the data:
1. If the file was downloaded, use Windows Explorer to
go to the directory where the file was downloaded. If
you choose to open the file from the web browser, go
to step 2.
2. Double-click the file open it. The file can be opened
with a text editor or Microsoft Excel. A sample report,
seen in Excel, is shown in Figure 5.
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report.jpg
Figure 5. Exported Data
Airborne Particle Counter
Maintenance
21
Maintenance
Warning
To prevent possible electrical shock, fire, or
personal injury:
Have an approved technician repair the
Product.
Use only specified replacement parts.
Do not put battery cells and battery
packs near heat or fire. Do not put in
sunlight.
Do not disassemble or crush battery
cells and battery packs.
For safe operation and maintenance of the
product:
Repair the Product before use if the
battery leaks.
Connect the battery charger to the mains
power outlet before the Product.
Do not keep cells or batteries in a
container where the terminals can be
shorted.
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Specifications
General
Particle-Size Range ....................................... (0.3, 0.5, 1.0, 2.0, 5.0, 10.0) µm
Channels ....................................................... 6
Flow Rate ...................................................... 0.1 cfm (2.83 L/min)
Light Source .................................................. 775 nm to 795 nm, 90 mW class 3B laser
Calibration ..................................................... PSL particles in air (NIST traceable)
Counting Efficiency ........................................ 50 % @ 0.3 µm; 100 % for particles >0.45 µm (per ISO 21501)
Zero Count Level ........................................... 1 count / 5 minute (per JIS B9921)
Concentration Limits ...................................... 10 % at 4,000,000 per cubic ft (per ISO 21501)
Count Mode ................................................... raw counts, #/ft3, #/m3, #/l in cumulative or differential mode
Data Storage ................................................. 10,000 records (rotating buffer)
Delay Time .................................................... 0 hours to 24 hours
Sample Inlet ................................................... Isokinetic Probe
Security .......................................................... Adminstrator password controlled (optional)
Communication Modes .................................. USB or Ethernet
Display .......................................................... QVGA color with backlight
Alarms ........................................................... User defined for each particle size
Dimensions .................................................... (27.2 x 9.9 x 5.3) cm (10.7 x 3.9 x 2.1) inches
Airborne Particle Counter
Specifications
23
Weight ........................................................... 680.39 g (1.5 lb)
Environmental
IP Rating ....................................................... 40
Operating Humidity........................................ <95 % RH non-condensing
Protection Class ............................................ Pollution Degree 2
Operating Temperature ................................. 10 °C to 40 °C (50 °F to 104 °F)
Operating Altitude.......................................... up to 6000 ft. ASL
Storage Humidity ........................................... up to 98 % RH non-condensing
Storage Temperature .................................... -10 °C to 50 °C (14 °F to 122 °F)
Power ............................................................ AC Adapter, 100 to 240 Vac, 12 Vdc, 2.5 A
Battery Type .................................................. LI-Ion 7.4 V, 2600 mAh
Charge time ................................................... 3.5 hours
Battery Duration ............................................ 5 hours continuous sampling. 10 hours with typical use model.
Agency Approvals ......................................... ,
31

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