ANALOX O2 Portable User manual

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 1
ANALOX O2 PORTABLE
OPERATORS MANUAL
Analox Sensor Technolog Ltd
15 Ellerbeck Court
Stokesle Business Park
Stokesle
N. Yorks
TS9 5JY
Tel: [phone]
Fax: [phone]
Email: [e-mail]

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 2
CONTENTS
1.0 Introduction..............................................................3
2.0 Controls ...................................................................4
3.0 Air Calibration .........................................................5
4.0 Pure Ox gen Calibration..........................................6
5.0 Operation .................................................................7
6.0 Troubleshooting.......................................................9
7.0 Maintenance...........................................................10
8.0 Care of the O2 Portable..........................................11
9.0 Safet .....................................................................12
10.0 Warrant Information…………………………….14
11.0 Specifications.........................................................16
12.0 Spares.....................................................................17
13.0 Disposal…………………………………………...18

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 3
1.0 Introduction
1.1 The O2 Portable Ox gen Anal ser is designed to measure
Ox gen levels in the range 0.1-100% O2.
1.2 The anal ser should be used for c linder ox gen level
verification or for monitoring a gas mixing panel but should not
be used for both. If the anal ser is used for measuring the
ox gen level in the output from a mixing panel, another O2
Portable should be used for c linder verification purposes.
1.3 The O2 Portable has a large digital displa and operates from an
internal temperature compensated minimum 3 ear life
electrochemical ox gen sensor. Power is provided b a 9V,
4000 hour life batter giving up to 3 ear operation before
replacement is necessar .
1.4 The O2 Portable is a water resistant drop resistant totall self
contained unit designed specificall for all the diving industr
-Sport (NITROX), Commercial and Militar - where hostile
environmental conditions are the norm not the exception.
1.5 Your O2 Portable is supplied read to use. On receipt of the
unit, please check for damage. If there is an damage, contact
our supplier.
WARNING
It is i portant that
these instructions are read
before the analyser is used!

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 4
2.0 Controls
2.1 The anal ser is fitted with an on/off switch located on the front
of the unit. Push the switch up or down to turn the unit on and
return it to the central position to turn it off. When it is switched
on the anal ser's displa will show an ox gen reading but do not
use before calibration (see section 3.0).
2.2 The low batter warning is a batter s mbol in the corner of the
displa . When present, change the batteries before using the
instrument (see section 8.0 Maintenance).
2.3 A waterproof calibration knob is located on the front. Turn it
full from left to right and then full left, the reading should
increase and then decrease. (If the reading does not change see
section 8.0 Maintenance).
WARNING
Do NOT use when
the LOW BATTERY sy bol is on!
ANALOX O2 PORTABLE OXYGEN ANALYSER
looking after the air breathe you
DII Adaptor Standard Adaptor

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 5
3.0 Air Calibration
3.1 Air calibration is essential before ever use and is performed as
follows.
3.2 Ensure that an flow adaptors are removed and the reading on the
displa has stabilised.
3.3 Expose the anal ser to clean air for two minutes and adjust the
calibration knob until the displa reads the correct value using the
humidit chart ( ou can find the humidit chart on the inside of the
back cover ). If this is not possible refer to paragraph 3.4 or to
section 8.0 Maintenance.
3.4 It is possible that at ver high altitude normal calibration is not
achievable. In this event ou must ascertain the actual pressure in
BAR and multipl the atmospheric ox gen percent (20.9%) b this
pressure and set the reading during calibration to the calculated
level (this is the surface equivalent ox gen percentage). When
ou measure the level of ox gen in the sample ou must divide
the reading b the same atmospheric pressure value to obtain the
true percentage of Ox gen in our sample.
For Example: At an atmospheric pressure of 0.8 BAR the surface
equivalent ox gen percentage is 20.9% x 0.8 = 16.7%O2 Surface
Equivalent. If the reading ou then obtain from our sample is
32.0% ou must divide this b 0.8 to obtain the true Ox gen
percentage, 32.0/0.8 = 40.0%O2 True Percentage.
3.5 The anal ser is now read for ox gen measurement.
WARNING
The analyser is sensitive to Oxygen partial pressure.
Calibration ust always be carried out at the sa e
at ospheric pressure as Oxygen easure ent.

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 6
4.0 Pure Oxygen calibration for easuring oxygen purity up to
100%.
4.1 Connect 100% bottled ox gen ( certified ) to the flow adaptor
and adjust the flowrate to between 0.5 and 1.0 litre per minute.
4.2 Allow the reading to settle.
4.3 Expose to atmosphere, the reading should displa +/- 0.4 of
corrected humidit value i.e. between 20.5 and 21.3

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 7
5.0 Operation
5.1 Standard O2 Flow Adaptor
5.11 Connect the standard flow adaptor to the sensor and pass the gas
to be anal sed over the sensor slowl at 1 to 2 litres per minute
until the reading stabilizes. There should be no significant rapid
change in reading when the gas flow is stopped as this indicates
that the flow was too high and the sensor pressurized. If a rapid
change is seen within 2 or 3 seconds of the gas being turned off,
repeat at a lower flow.
5.12 When a stable reading is observed with the gas flow on and 2 to
3 seconds after being turned off, take the reading.
5.13 Note that after a few seconds of the gas flow being stopped the
reading will begin to change towards the level in the surrounding
air of 20.9% O2 ou should therefore take the reading while
flow is on.
WARNING!
Do not pressurise the sensor as inaccurate readings will result.
Analox MIO2SK Sample Kit

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 8
5.2 DII Flow Adaptor
5.21 The Analox O2 Portable comes complete with the unique DII
adaptor which allows to ou to directl appl the anal ser to the
outlet on our nitrox tank.
5.22 Connect the DII adaptor to the anal ser b pushing the adaptor
over the sensor turret. The O ring on the sensor should ensure a
comfortable fit.
5.23 Hold the DII adaptor firml against the c linder outlet facing
ou. Ver slowl open the pillar valve until gas can just be
heard hissing through the flow adaptor.
WARNING
Open cylinder valve
EXTREMELY CAREFULLY
5.24 Close the pillar valve after fifteen seconds when a stable
reading is observed on the O2 Portable.
If in doubt repeat the procedure taking care to ensure a ver low
gas flow.
5.25 Note that after a few seconds of the gas flow being stopped the
reading will begin to change towards the level in the surrounding
air of 20.9% O2 ou should therefore take the reading while
flow is ON.
WARNING
Do not pressurise the sensor
as inaccurate readings will result.

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 9
6.0 Troubleshooting
SYMPTOM REASON SOLUTION
Batter s mbol Low batter Change batter
No displa Switched off
Bad connection
Switch on
Check displa connection
Check batter connection
Zero reading Sensor disconnected
Sensor expired
Check connection
Change sensor
Reading erratic Pressure on sensor
Radio transmission
Sensor old or fault
Condensation on
sensor
Check flow
Move unit awa
Change sensor
Dr sensor face
Reading does not
change when
calibration knob is
turned
Fault connections
Sensor failure
Check connections
Change sensor
Displa segments
missing
Displa fault Return to dealer
Will not calibrate Sensor fault
Sensor not in air
High altitude
Change sensor
Check flow adapter
Calculate percent
equivalent =20.9%xbar
Reading drifts Rapid temperature
change
Do not move anal ser
from one temperature to
another immediatel
before use

ANALOX O2 PORTABLE OXYGEN ANALYSER
Operators Manual MO2-807-02 Januar 2009 Page 10
7.0 Maintenance
7.1 Batter replacement.
a) Remove the 4 screws located at each corner of the unit and carefull
lift the lid.
b) Slide the batter out of its spring bracket and disconnect the lead.
c) Connect the lead to the new batter and slide the batter behind the
spring bracket.
d) Replace the lid carefull and screw down taking care that the sensor
locates properl .
e) Ensure that ou do not trap an wires.
7.2 Sensor replacement.
a) Replacement sensor part number: 9100-9212-5AD
b) Remove the 4 screws located at each corner of the unit and carefull
lift the lid.
c) Remove the flow adapter if fitted and slide the sensor out of the lid.
d) Disconnect the in line sensor connector.
e) Dispose of the old sensor according to local regulations for Lead and
Potassium H droxide solution.
f) Remove the new sensor from its bag and check it for leaks, connect
to the inline connector and slide through the lid.
g) Replace the lid carefull and screw down taking care that the sensor
locates properl . Ensure that ou do not trap an wires.