ATI Technologies 2i User manual

Aerosol Photometer
P/N. 1800224, Revision E
May 2015
Aerosol Photometer
2i
Operation and Maintenance Manual

Aerosol Photometer
Aerosol Photometer - 2i 2
(This Page Intentionally Left Blank)

Aerosol Photometer
Aerosol Photometer - 2i 3
Content
Chapters
CHAPTER 1 Introduction and Precautions 7
Scope of Manual 7
Definitions 7
Definiciones 8
Définitions 8
Definitioner 9
定义 9
User Responsibility 10
Precautions 10
For Customers in Canada 12
For Customers in the USA 12
For Customers in Europe 14
For All Customers 15
CHAPTER 2 Photometer Overview 16
Instrument Description 16
Filter Leak Testing: The Most Common Application 16
How the Photometer Operates 18
Theory of Operation 18
Sampling System 18
Light Scattering Chamber (LSC) 18
Capabilities 19
Input / Output features 19
Utility Requirements 19
CHAPTER 3 Unpacking and Setting Up the Photometer 21
Packing List 21
Unpacking 21
Installation 21
Before you begin 22
Connecting Electrical Power 22
Connecting the Scanning Probe 23
Connecting the Interface Ports 24
USB Port 24
Printer Port 24
CHAPTER 4 Know Your Equipment 26
Front Panel General Overview 26
Rear Panel General Overview 27
Scanning Probe Overview 28
Thermal Printer Overview 29
Function Keys 30

Aerosol Photometer
Aerosol Photometer - 2i 4
Sampling Ports 30
CHAPTER 5 Operating the 2i: Basic Operation 31
Before You Begin 31
Basic Operation 32
Reporting Modes 34
Summary Mode 34
Monitoring 37
Continuous 38
Alarms Modes and Set Point 39
Alarm Set Point 39
Alarm modes 39
Icons 40
CHAPTER 6 Software Reference 41
Software Description 41
Start-up Screen 41
Making Entries 42
Entering Numerical Values 42
Turning Options Flags On or Off 43
Using the Alphanumerical Keypad 43
General Screen Structure 44
Menu Structure and Options 45
Menu Structure 45
Run Mode Screen 46
Top Level Menu Options 47
Alarm Set Point 48
Alarms 49
Set 100% to Upstream Concentration 49
Instructions 50
Measuring the Upstream Aerosol 50
Accepting the Result 51
Set Internal Reference 51
Use Previous 100% Settings 52
Re-establish Zero 52
Setup 53
Aerosol Noise Suppression 53
Reporting Functions 55
Date and Time 56
Display 57
Error Messages 59
CHAPTER 7 Application Notes 60
Abbreviations List 60
Aerosol Correction Factors 60
CHAPTER 8 Maintaining the Photometer 61
Definitions and Features 61
Recommended Scheduled Maintenance 61
Daily 61

Aerosol Photometer
Aerosol Photometer - 2i 5
Annually 61
Replacing the Main Power Fuses 62
Cleaning the Lint Screens 62
CHAPTER 9 Troubleshooting Guide 64
Instrument Will Not Power Up 64
Error E1 – Sample Line Blockage 64
Error E2 – Out of Temperature Range 65
Error E3 – Photomultiplier Tube (PMT) Inoperable 65
APPENDIX A Contacting ATI 66
For Technical Support or Application Questions 66
For Customer Service 66
APPENDIX B Warranty 67
APPENDIX C Declaration of Conformity 69
APPENDIX D Specifications 70
Main Unit Physical Characteristics 70
Operational Requirements 70
Operating Conditions 70
Aerosol Detection 70
Data Output Formats 70
Outputs 71
APPENDIX E Maintenance and Spare Items 72
APPENDIX F Accessories 73
Scanning Probe 73
Thermal Printer Module 73
Transport Case 73
APPENDIX G Manual Revision History 74
APPENDIX H Español – Precauciones 75
APPENDIX I Français – Précautions 77
APPENDIX J 中文 – 预防 79
APPENDIX K Svenska – Försiktighetsåtgärder 81
Figures
Figure 1: Front Panel Overview 26
Figure 2: Rear Panel Overview 27
Figure 3: Scanning Probe Overview 28
Figure 4: Thermal Printer Overview 29
Figure 5: Basic Operation of the 2i Aerosol Photometer 32
Figure 6: Sample Summary Mode Reporting Ticket 37
Figure 7: Sample Monitoring Mode Data Output 38
Figure 8: Start-up Screen 42
Figure 9: Alphanumeric Keypad 44
Figure 10: Screen Structure 44
Figure 11: Overview of the 2i Menu Structure 45

Aerosol Photometer
Aerosol Photometer - 2i 6
Figure 12: Running Mode Screenshot 46
Figure 13: Main Menu Screenshot 47
Figure 14: Setting the Alarm Set Point Screenshot 48
Figure 15: Setting the Alarms Screenshot 49
Figure 16: Set 100% to Upstream Concentration Initial Screenshot 50
Figure 17: Set 100% to Upstream Concentration Measurement Screenshot 50
Figure 18: Set 100% to Upstream Concentration Final Screenshot 51
Figure 19: Set Internal Reference Screenshot 51
Figure 20: Setup Menu Screenshot 53
Figure 21: Aerosol Noise Suppression Screenshot without Probe 54
Figure 22: Aerosol Noise Suppression Screenshot with Probe 54
Figure 23: Reporting Functions Screenshot 55
Figure 24: Date and Time Menu Screenshot 56
Figure 25: Set Time Screenshot 56
Figure 26: Set Date Screenshot 56
Figure 27: Set Date Format Screenshot 57
Figure 28: Display Setup Screenshot 57
Figure 29: Display Setup Screenshot 58
Figure 30: Error Message Screenshot 59
Tables
Table 1: Serial Port Settings ............................................................................................. 24
Table 2: Summary Reporting Mode Ticket...................................................................... 36
Table 3: Monitoring Reporting Mode Ticket.................................................................... 37
Table 4: Icons Description................................................................................................ 40
Table 5: Running Mode Options....................................................................................... 46
Table 6: Main Menu Options............................................................................................ 47
Table 7: Alarm Set Point Options List.............................................................................. 48
Table 8: Alarm Selection Options List ............................................................................. 49
Table 9: Internal Reference Set Point............................................................................... 51
Table 10: Noise Suppression Options List........................................................................ 54
Table 11: Reporting Mode Options List........................................................................... 55
Table 12: Date and Time Menu Options List ................................................................... 58
Table 13: Date and Time Menu Options List ................................................................... 58
Table 14: List of Operator Error Messages....................................................................... 59
Table 15: Abbreviations List ............................................................................................ 60
Table 16: Aerosol Correction Factors List........................................................................ 60
Table 17: Replacement Fuses for the 2i............................................................................ 62
Table 18: Maintenance and Spare Items........................................................................... 72
Table 19: Accessories List................................................................................................ 73
Table 20: Manual Revision History.................................................................................. 74

C
H
In
t
Sc
o
De
f
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APT
t
rodu
o
pe of
f
initio
n
!
!
i
ER 1
ction
Manua
n
s
Aerosol
and
l
These in
s
operation
,
Photomet
e
These in
s
required
f
Before us
with the
entire
m
terminolo
g
Failure t
o
precautio
n
DAMAG
E
The follo
w
notes use
Indicates
death if i
n
Indicates
instructio
n
Indicates
t
Photomete
r
Prec
a
s
tructions
c
,
maintena
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er
.
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tructions
a
f
or the s
a
ing this in
s
operation
m
anual an
g
y.
o
follow
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s could r
e
E
to the unit
w
ing define
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a strong pos
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structions a
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a possibilit
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s are not f
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t
hat helpful
A
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- 2i
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utio
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lso contai
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Warni
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Cautio
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of equipm
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llowed.
Note
informatio
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rosol P
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s
pecificatio
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ubleshoot
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importan
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fied proc
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RSONAL
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vere perso
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ed.
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is provided
h
otomet
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s, feature
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r
the
2
t
informati
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instrume
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l associat
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rstand th
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with t
h
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dures a
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INJURY
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7
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2
i
o
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i
s
h
e
n
d
or

Aerosol Photometer
Aerosol Photometer - 2i 8
Definiciones Las siguientes anotaciones definen los peligros,
cuidados y notas usadas a lo largo de este manual.
!Advertencia
Indica una fuerte probabilidad de serias lesiones
personales o muerte si no son seguidas las instrucciones.
!Cautela
Indica una posibilidad de daños al equipo si no son
seguidas las instrucciones.
iNota
Indica que se suministra información útil.
Définitions Les informations suivantes, définissent les symboles,
précautions et notes présentes dans ce manuel.
!Avertissement
Indique la possibilité de dommages corporels graves
pouvant entraîner la mort, si les instructions ne sont pas
suivies.
!Attention
Indique la possibilité d’endommager l’équipement si les
instructions ne sont pas suivies.
iNote
Indique que des informations utiles sont fournies.

Aerosol Photometer
Aerosol Photometer - 2i 9
Definitioner Efterföljande text beträffande varningar, varsamhet
och noteringar är genomgånde för hela manualen.
!Varning
Innebär att allvarlig personlig skada eller död kan inträffa
om instruktionerna inte följs.
!Varsamhet
Innebär att skador på utrustning kan inträffa om
instruktionerna inte följs.
iNotera
Innebär att användbar information ges.
定义
下面定义了在这本说明书中所有的警告,小心,注意.
!警告
表示如果不按照指导操作.引起个人人身伤害甚至死亡
的可能性很高.
!小心
表示如果不按照指导操作.可能会损害仪器
i注意
表示提供了有用的信息.

Aerosol Photometer
Aerosol Photometer - 2i 10
User Responsibility
The user must:
1. read and comprehend the information contained in
this manual before using the product;
2. have an understanding of the electrical and
mechanical system principles used in the
operation of this photometer;
3. be trained in the proper use of electro-mechanical
equipment;
4. properly use this product for the intended purpose
and follow all regulations and procedures that
apply to the location where this product is used;
5. maintain the product as specified in this manual;
6. maintain and keep in proper working condition any
other equipment associated with the operation of
this product.
Precautions
!
i
Warning – General Safety Rules
Read and understand all instructions. Failure to follow all
instructions listed below may result in electric shock, fire
or serious personal injury. The warnings, cautions, and
instructions discussed in this operation and maintenance
manual cannot cover all possible conditions and situations
that may occur. It must be understood by the operator that
common sense and caution are a factor which cannot be
built into this equipment, but must be supplied by the
operator.
!Caution – Shipping Hazard
When returning a 2i-N for service, the end user must
remove the potentially contaminated sampling train prior
to shipping the instrument. Refer to the 2i-N addendum for
the proper procedure.
!Caution –Serviceability
There are no user-serviceable parts inside the instrument.
Refer all repair and maintenance to a qualified factory-
authorized technician.

Aerosol Photometer
Aerosol Photometer - 2i 11
!Caution - Maintenance
Incorrect fuse replacement may damage internal
components of the photometer.
!
Warning – Electrical Hazard
Electrical hazard that can cause severe injury or death.
The electrical housing contains multiple high voltage
sources. Do not insert any objects under the cover
!Warning – Damaged Equipment

Do not operate the equipment with a damaged cord or
plug or after the equipment has malfunctioned, or
been damaged in any way.
Contact ATI Service Department for advice on
examination, repair, electrical or mechanical
adjustment.
Failure to follow the prescribed procedures may result
in a hazardous situation.

Aerosol Photometer
Aerosol Photometer - 2i 12
For Customers in Canada
iNote – Regulatory Information
This Class B digital apparatus complies with Canadian
ICES-003.
Cet appareil numérique de la Classe B est conforme à la
norme NMB-003 du Canada.
For Customers in the USA
Declaration of Conformity
Trade Name: ATI
Model Number: 2i
Responsible Party: Hamilton Associates Inc.
Address: 11403 Cronridge Drive
Owings Mills, MD 21117
USA
Telephone No: 410-363-9696
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
this device must accept any interference received, including
interference that may cause undesired operation.

Aerosol Photometer
Aerosol Photometer - 2i 13
i
Note – Regulatory Information
This equipment has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is
no guarantee that interference will not occur in a particular
installation. If this equipment does cause interference to
radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna
Increase the separation between the equipment and
receiver
Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected
Consult the dealer or an experienced radio/TV
technician for help

Aerosol Photometer
Aerosol Photometer - 2i 14
For Customers in Europe
Declaration of Conformity
Application of Council Directive(s): 2004/108/EC
Standard(s) to which conformity is declared:
EN 55011:2007; EN61000-3-2: 2005; EN61000-3-
3:1995:A1 (2001):A2 (2005); EN 61326-1:2006
Manufacturer's Name: Air Techniques International
Manufacturer's Address: 11403 Cronridge Drive
Owings Mills, MD 21117
Type of Equipment: Measurement Instrument
Model Number: 2i Photometer
Year of Manufacture: 2012
I, the undersigned, hereby declare that the equipment
specified above conforms to the above Directive(s)
and Standard(s).
Place: _Air Techniques International______________
Signature: _______________
Full Name: _Eric Hanson_______________________
Date: __23 Apr 2012___________________________

Fo
r
r
All C
u
u
stome
Aerosol
rs
Disposal
will be a
c
valid in t
h
this prod
u
dealer an
d
This prod
u
Instead i
t
collection
electronic
disposed
negative
human h
e
inappropr
i
recycling
resource
s
For more
product,
p
househol
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where yo
u
Photomete
r
of Old Ele
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acco
m
used
shoul
hous
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treat
m
pleas
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h
e Europe
a
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ask for th
u
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shall be
point f
o
equipme
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of correctl
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of materi
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detailed i
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A
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ctrical &
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of charg
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contact y
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ces for
t
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h
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handling
a
ls will hel
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formation
tact your l
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sposal se
r
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this equi
p
rosol P
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lectronic
E
n
the prod
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ocuments
a
nd electro
mixed
w
a
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F
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this pr
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e. This sy
m
If you wis
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g of el
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uring this
help prev
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the envir
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e
of this p
p to cons
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about rec
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o
cal Civic
r
vice or th
p
ment.
h
otomet
e
1
E
quipmen
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ct and /
o
means th
a
nic produc
t
w
ith gener
a
F
or prop
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d
recyclin
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o
duct(s)
t
n
ts where
m
bol is on
l
h
to disca
r
uthorities
o
isposal.
e
hold wast
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e
applicab
l
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ctrical a
n
product
i
e
nt potenti
a
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nment a
n
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caused
b
roduct. T
h
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ve natur
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cling of th
i
Office, yo
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e Compa
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er
1
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t
o
r
a
t
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C
H
P
h
In
s
Fil
t
Ap
H
APT
h
oto
m
s
trume
n
t
er Lea
k
plicati
o
ER 2
m
eter
n
t Des
c
k
Testi
n
o
n
Aerosol
Over
v
c
ription
The 2i i
s
photomet
e
Hz, adjus
t
to sampl
e
concentr
a
primary a
p
HEPA/UL
The 2i is
instrumen
aluminum
bright LC
operation
step zer
o
readings.
Using the
basic me
n
simple a
compatibl
e
scanning
time res
u
remaining
testing n
e
today’s fil
t
When all
have in t
h
training i
n
forget” s
e
daily wor
k
n
g: Th
e
The mo
s
Photomet
e
filtration
s
integrity
o
Photomete
r
v
iew
s
a forwa
e
r. It oper
a
t
ing autom
a
e
air or ot
a
tion of p
a
p
plication f
o
PA filtratio
n
a compact
t case is
. The pres
D display
and reada
o
ing featu
r
2i is extre
m
n
u structur
e
nd straig
h
e
iProbe
a
probe. Th
e
u
lts via
U
versatile
e
e
eds that
t
er testing i
of these
e
h
e 2i, the
n
tensive e
x
e
condary r
o
k
requirem
e
e
Most
s
t commo
e
r 2i is t
o
s
ystems (
H
o
f a filtrat
i
A
e
r
- 2i
rd light-s
c
a
tes on 10
0
a
tically. It
s
her gases
a
rticulates
o
r the 2i is
n
systems.
and light
w
construct
e
s
sure-sensi
t
and indic
a
bility. The
r
es assur
e
m
ely intuiti
v
e
. Operati
o
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t forward
.
a
ffords full
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2i provid
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U
SB or
o
e
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have bec
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lements
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testing pr
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x
ercise an
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f
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rosol P
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o
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o
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c function
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r
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ment. T
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a
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o
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Aerosol Photometer
Aerosol Photometer - 2i 17
agent consisting of an airborne test aerosol is
generated and introduced upstream of the filter. The
challenge agent provides particulate matter upstream
of the filter to allow measurements downstream of the
filter.
The test aerosol is introduced into the upstream side
of the filter(s) as far from the filters as is practical to
insure adequate mixing. Ideally, a distance of 10 duct
diameters upstream is considered the minimum. A
sample of the aerosol-air mixture should be taken
from the upstream side, close to the center of the
filter/filter bank. This sample is used to establish a
100% base line for the upstream concentration. The
2i is adjusted as described in the Operating Section to
set the 100% reading and the stray light is adjusted
automatically. The stray light adjustment
compensates for light reflection off internal surfaces of
the scattering chamber. After these adjustments have
been made, the 2i instrument is ready to check for
filter leaks/integrity downstream.
The filter test is performed with the use of the
scanning probe. The filter and the perimeter of the
filter pack should be scanned by passing the probe in
slightly overlapping strokes so the entire area of the
filter is sampled. The end of the probe should be held
one inch from the filter surface. Separate passes
should be made around the entire periphery of the
filter, along the bond between the filter pack and the
frame, and around the seal of the filter. Readings on
the meter will indicate percent of penetration.
The display indicates the percent of leakage through
or around the filter. The iProbe is supplied with the
industry standard rectangular, blue isokinetic nozzle.
This nozzle is used for fast scanning and is accepted
by many standards, including NSF 49-2002.
Other optional probes are available, a round, black 1
inch (25 mm) in diameter nozzle, which complies with
NSF (National Sanitation Foundation) Standard 49-
1992, and a round, red nozzle. The isokinetic nozzles
are designed for face velocities of 90 +/- 20 feet per
minute (fpm) when using a 1 cfm (28.3 L/min) sample
rate.

Aerosol Photometer
Aerosol Photometer - 2i 18
How the Photometer Operates
Theory of Operation
When air or gas is drawn through the instrument,
particulate matter in the sample passes through the
focal point of the scattering chamber. Particulate
matter scatters light into the dark cone and onto the
photomultiplier tube, which converts the light into an
electrical signal. The signal is amplified and digitized,
then analyzed by a microprocessor to determine the
intensity of the light scattered by the signal. This
signal is then compared to a reference signal to
provide an output that is normalized by the reference
signal.
A photometer is ideally suited to detect particulate
matter in air or gas, reporting the mass concentrations
encountered on a display. Particles from less than
0.1 micron to approximately 600 microns can be
detected by the 2i. Since the photometer reports
concentration of particulate matter, many applications
are possible. By using a baseline of 100 micrograms
per liter of aerosol, it is possible to directly read the
concentrations of aerosols.
Sampling System
A vacuum pump in conjunction with a flow meter,
onboard sensors and closed feedback loop provides a
constant volumetric sample flow rate of 1 cfm (28.3
liters per minute). The 2i uses an oil-free, dual head,
diaphragm pump with a direct-coupled DC motor.
Solenoid actuated valving directs the airflow through
the sampling system to the scattering chamber from
three possible sources. The CLEAR position directs
clean air from an internal ULPA filter to the scattering
chamber for zeroing the instrument. The
UPSTREAM position permits sampling of the air
above the filter being challenged, and the
DOWNSTREAM position permits sampling of the air
that penetrates the filter.
Light Scattering Chamber (LSC)
The scattering chamber is not only an integral part of
the sampling system; it is a major component in itself.

Aerosol Photometer
Aerosol Photometer - 2i 19
The scattering chamber is a complex electro-optical
unit that consists of a pair of hollow cones connected
at the apexes. A pair of collimating lenses first
straightens the light emerging from the light source,
and then focuses it at the center of the sampling
cone. An aperture forms a dark cone around the
photomultiplier, preventing light from arriving directly
on the photomultiplier. A condensing lens opposite
the LED source focuses light scattered into this dark
cone onto the photomultiplier tube.
Capabilities
The Aerosol Photometer 2i will measure percentage
leakage or absolute aerosol concentration.
iNote
Before attempting to operate this unit, become familiar
with the features and functions.
Input / Output features
Alarms:
The 2i, when used in conjunction with the iProbe,
provides the user three sensory alarms: audible,
visual, and vibratory. When a reading exceeds the
user selected alarm point the display will turn red, a
tone will sound, and the iProbe will vibrate, if enabled.
Data Output:
Leakage data is sent out the unit’s USB port. This
data can be logged with contemporary data
acquisition software in real-time. Multiple types of
data formatting are available to satisfy a wide range of
applications (see “Reporting Modes” page 34 for more
details). Data can also be printed to hard copy using
the optional printer accessory when using the
summary mode.
Utility Requirements
Power

Aerosol Photometer
Aerosol Photometer - 2i 20
The 2i is equipped with a “Universal AC” power
supply capable of handling 100 to 240 VAC, 50 to 60
Hz. A line power conditioner and surge protector is
recommended.
Ambient Air Conditions
While the instrument was design to be operated
through a wide range of environmental condition, we
recommend its use in a controlled environment where
the temperature is between 1°C and 45°C (34°F to
120°F Fahrenheit) and the relative humidity is
between 20% and 95% non-condensing.
iNote
A dedicated power line is recommended for stable
machine operation.