ORBITEC OXY- SMART Manuel utilisateur
Instruction Manual OXY- SMART
1
OXY- SMART
ORBITEC
GmbH
Willi-Brehm-Straße 8
D-63500 Seligenstadt
Phone: +49 (0)6182 / 78693-0
Fax: +49 (0)6182 / 78693-10
Instruction Manual OXY- SMART
2
Contents
1. Preface.....................................................................3
2. Restrictions ..............................................................4
3. General structure .....................................................5
3.1. Front view................................................................................... 5
3.2. Top view ..................................................................................... 6
3.3. Lateral view ................................................................................ 6
3.4. Rear view .................................................................................... 7
4. Explanation of icons .................................................8
5. Commissioning - Operation ......................................9
6. Measuring gases containing H2 ..............................13
7. Monitoring ranges - Programming functions ..........14
8. Charging process ....................................................15
9. Filter status ............................................................17
10. Technical data........................................................18
11. Servicing and maintenance ....................................19
Instruction Manual OXY- SMART
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1. Preface
Correct formatting is imperatively required for quality assurance when welding
high-alloy, corrosion-resistant components.
Only at very low residual oxygen content during the welding process
it is possible to attain neat and corrosion-resistant welding seams with little colouring
on the inner surface of the tube. An insufficient gas protection results in
annealing colouring or carburization in the
heat affected zone as well as a reduction
of the corrosion resistance of the welding
seam and thus it is unsuitable for any tube
installation.
To monitor the quality of the flushing gas
before the welding process, it is necessary
to use measuring devices to check the
residual oxygen content.
The welder or the operator can use the
measuring device Oxy-SMART to check
and document the residual oxygen
content. The ppm value to be entered in
the display can be freely selected. If not
otherwise imperatively prescribed, a value
of < 30 ppm is generally sufficient at the
beginning of the welding process. If the
measured value falls below the entered
value, the colour on the display changes
from red to green.
It is possible to start the welding process.
The mobile measuring device Oxy-SMART
serves to record the residual oxygen
content in flushing, welding and forming
gases in the welding technique.
Residual oxygen concentration can be
measured and determined in the following
gas mixtures: Inert gases and forming
gases. Inert gases are among others
nitrogen, argon, helium and other rare
gases. Forming gases are gas mixtures consisting of nitrogen or argon and
hydrogen. There are different gas mixtures with different H2 fractions, the maximum
fraction of hydrogen must not exceed 10 %.
The measuring device is not suitable to perform measurements of explosive gas
mixtures, in particular it is not suitable to measure pure hydrogen. There is a risk of
explosion!
Instruction Manual OXY- SMART
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2. Restrictions
The measuring device is not suitable to perform measurements of explosive
gas mixtures, in particular it is not suitable to measure pure hydrogen.
There is a risk of explosion!
! ! ! DURING THE CHARGING NOT MEASURE ! ! !
This leads to overheating and possibly
Destruction of lithium-ion batteries
!!! Do not aspirate liquids or vapours !!!
This results in the destruction of the sensor and of the internal measuring gas
pump
The measuring device is not suitable to monitor the ambient air
and must not be used to protect people
No measuring without filter –no warranty claim
Only use original filters made by ORBITEC
Caution when working in an environment with organic vapours such as e.g.
scorching of plastic materials
Such vapours might result in the sensor destruction
Never open the Oxy-SMART !!!
Have the battery only replaced by authorized specialised staff
of the company ORBITEC GmbH
Do not change or modify any devices.
Any changes or modifications render the
warranty claim null and void
Instruction Manual OXY- SMART
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3. General structure
3.1. Front view
Filter
Measuring gas
hose
Display
Measuring gas
inlet
Keyboard
Instruction Manual OXY- SMART
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3.2. Top view
3.3. Lateral view
Charging
socket
Measuring gas
outlet
Measuring gas inlet
Hose connection
Lanyard eyelet
Wedge-shaped structure,
hence ergonomic,
well readable and operable
Instruction Manual OXY- SMART
7
3.4. Rear view
Protective rubber
frame
Anti-skid rubber feet
Type plate
Ergonomically
shaped housing
Calibrates seals
Instruction Manual OXY- SMART
8
4. Explanation of icons
999 ppm O2
Three-digit display
max. measuring range
Minus / Down
Menu navigation,
Reducing the
selected values
Pump
Switching the
measuring gas pump
on and off
ON/OFF
Switching the
measuring device on
and off
P
Programming
button for monitoring
range and setting
Plus / Up
Menu navigation,
Increasing the
selected values
H2
Changing the gas
type
Inert / H2
Battery
Battery charge
status indicator
Pump
when the pump is
activated
the turbine turns
Inert / H2 display
the currently selected
measuring gas is
displayed
Instruction Manual OXY- SMART
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5. Commissioning - Operation
Switching on the measuring device
By pressing the ON/OFF key, the Oxy-SMART is switched
on. The device heats up the sensor which has to be brought
to a preset temperature in order to allow a correct measuring
process. During this time it is not possible to perform any
measurements.
In the standby mode the cell is heated up to 50%.
Structure of the measuring equipment
Recommended structure:
Since most of purge gases are heavier than air, it is recommended to connect the
gas inlet at the lowest point of the system or the piping to expel the air and the
residual oxygen effectively.
Oxy-SMART
Weld joint
Gas outlet
Measuring
point
Gas inlet
Instruction Manual OXY- SMART
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Never obstruct the gas outlet hole at the measuring point with the tube,
the flushing gas must always outflow freely:
The pump installed in the device must be allowed to suck in the flushing gas without
overpressure.
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