Keeler Pulsair IntelliPuff User manual

Non-Contact Tonometer
INSTRUCTIONS FOR USE
Pantone 5435c
EN DE ITFR PTES

EN
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FR
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Pulsair IntelliPuff Tonometer
Gebrauchsanleitung.................................................22
Tonómetro Pulsair Intellipuff
Instruções De Utilização ........................................106
Tonomètre Pulsair intelliPuff
Mode D’emploi ........................................................64
Pulsair Intellipuff Tonometer
Instructions For Use ..................................................1
Tonometro Pulsair intelliPuff
Istruzioni Per L’uso ..................................................85
Tonómetro Pulsair intelliPuff
Instrucciones De Uso...............................................43

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Pulsair Intellipuff Tonometer by KEELER
CONTENTS
1. INDICATIONS FOR USE ......................................................................................... 3
1.1 BRIEF DESCRIPTION OF THE INSTRUMENT ................................................................................3
1.2 INTENDED USE / PURPOSE OF INSTRUMENT............................................................................3
2. SAFETY........................................................................................................................ 3
2.1 PHOTOTOXICITY .....................................................................................................................................3
2.2 WARNINGS AND CAUTIONS............................................................................................................ 4
2.3 CONTRAINDICATION........................................................................................................................... 5
3. CLEANING INSTRUCTIONS...................................................................................5
3.1 CLEAN THE PUFF TUBE LENS ON A WEEKLY BASIS: ............................................................. 5
3.2 CLEANING TONOMETER BODY.......................................................................................................6
4. POWER SUPPLY ASSEMBLY.................................................................................. 6
4.1 SET PLUG.................................................................................................................................................... 6
5. WALL MOUNTING....................................................................................................6
6. TONOMETRY, PRESSURE VARIATIONS IN THE HUMAN EYE ....................... 7
7. NAMES OF CONTROLS AND COMPONENTS................................................... 7
8. MEASUREMENT PROCEDURE..............................................................................10
8.1 PREPARING THE DEVICE....................................................................................................................10
8.2 PREPARING THE PATIENT................................................................................................................... 11
8.3 TAKING THE READING.........................................................................................................................11
9. DISPLAY EXAMPLES ...............................................................................................13
10. PRINTING ..................................................................................................................14
10.1 SAMPLE PRINT.........................................................................................................................................14
11. REPLACING THE PRINTER PAPER.......................................................................14
12. USER MENU OPTIONS ...........................................................................................14
13. CALIBRATION, MAINTENANCE AND INSPECTION........................................15
13.1 REGULAR INSPECTION .......................................................................................................................15
13.2 GENERAL....................................................................................................................................................16
14. SERVICING AND CALIBRATION..........................................................................16
15. WARRANTY..............................................................................................................16
16. SPECIFICATIONS AND ELECTRICAL RATINGS ...............................................16
16.1 ELECTROMAGNETIC EMISSIONS .................................................................................................. 17
16.2 ELECTROMAGNETIC IMMUNITY....................................................................................................17
16.3 RECOMMENDED SAFE DISTANCES .............................................................................................19
17. TECHNICAL SPECIFICATIONS ...........................................................................20
18. ACCESSORIES AND SPARES...............................................................................21
19. PACKAGING AND DISPOSAL INFORMATION.................................................21

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Consult instructions for use General warning sign
Date of manufacture Warning: Non-ionizing radiation
Manufacturer’s name and
address Warning: Electricity
Country of manufacture Warning: Optical radiation
Waste Electrical and Electronic
Equipment (WEEE) recycling Warning: Floor level obstacle
This way up Keep dry
Type BF applied part Fragile
Temperature limit Do not use if package is
damaged
0120
United Kingdom Conformity
Assessed, with the Notified
Body number for SGS UK 1639
Conformité Européene, with the
Notified Body number for SGS
Belgium NV
REPEC
Authorised representative in the
European Community
REPCH
Authorised representative in
Switzerland
Catalogue number Class II equipment
Serial number Atmospheric pressure limitation
Medical device Humidity limitation
Translation
The Keeler Pulsair IntellipuffTonometer is designed and built-in conformity with Directive 93/42/EEC, Regulation (EU)
2017/745 and ISO 13485 Medical Devices Quality Management Systems.
Classification: CE / UKCA: Class IIa
FDA: Class II
The information contained within this manual must not be reproduced in whole or part without the manufacturer’s
prior written approval.As part of our policy for continued product development we the manufacturer reserve the right
to make changes to specifications and other information contained in this document without prior notice.
This IFU is also available on the Keeler UK and Keeler USA websites.
Copyright © Keeler Limited 2023. Published in the UK 2023.

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1. INDICATIONS FOR USE
These devices are intended to be used only by suitably trained and authorised healthcare
professionals.
The Pulsair IntelliPuff Non-Contact Tonometer should be used only by
trained personnel. USA Federal law restricts this device to sale by or order
of a physician.
1.1 BRIEF DESCRIPTION OF THE INSTRUMENT
It is an ‘air puff’ Tonometer designed to accurately measure Intra Ocular Pressure (IOP) without
making contact with the surface of the eye.
This device is intended to be used by a trained healthcare professional only in a healthcare
environment. Air impulse tonometry is a variant of the general applanation tonometry in which
a portion of the cornea is flexed by mechanical stimuli in which the force / pressure required to
produce the flexing effect is related to the intraocular pressure.
The air puff technique requires directing a calibrated quantized packet of air towards the
central portion of the cornea, and the detection of the pre-defined deformation of the cornea
through optical means and reflections from the corneal surface.
1.2 INTENDED USE / PURPOSE OF INSTRUMENT
The Pulsair IntelliPuff Non-Contact Tonometer is indicated for measuring intraocular pressure
without contacting the eye to aid in the screening and diagnosis of glaucoma.
2. SAFETY
2.1 PHOTOTOXICITY
CAUTION: The light emitted from this instrument is potentially hazardous.
The longer the duration of exposure, the greater the risk of ocular
damage.
While no acute optical radiation hazards have been identified for Keeler
Tonometers, we recommend keeping the intensity of the light reaching
the patient’s retina to the minimum possible for the respective diagnosis.
Children, people with aphakia and people suffering from eye conditions
are most at risk. An increased risk may also occur if the retina is exposed
to the same or a similar device with a visible light source within 24 hours.
This applies, in particular, if the retina has been photographed with a
flashbulb in advance.
Keeler Ltd shall on request, provide the user with a graph showing the
relative spectral output of the instrument.

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2.2 WARNINGS AND CAUTIONS
Please note that the proper and safe functioning of our instruments is only guaranteed if
both the instruments and their accessories are exclusively from Keeler Ltd. The use of other
accessories may result in increased electromagnetic emissions or reduced electromagnetic
immunity of the device and may lead to incorrect operation.
Observe the following precautions in order to ensure safe operation of the instruments.
WARNINGS
• Never use the instrument if visibly damaged and periodically inspect it for signs of damage
or misuse.
• Check your Keeler product for signs of transport / storage damage prior to use.
• US Federal Law restricts this device to sale by or on the order of a physician or practitioner.
• The device is intended for use in various clinical settings such as hospitals, eye clinics and
optometric practices.
• Only use approved Keeler power supply EP29-32777 or instrument may malfunction.
• Do not remove the labels covering the key holes unless wall mounting the Pulsair
IntelliPuff.
• The owner of the instrument is responsible for training personnel in its correct use.
• Never use the instrument if the ambient temperature, atmospheric pressure, and / or
relative humidity are outside the limits specified in this manual.
• Do not use in the presence of flammable gases / liquids, or in an oxygen rich environment.
• This device is intended to be used only by suitably trained and authorised healthcare
professionals.
• This product should not be immersed in fluid.
• The mains plug is the means of isolating the device from the mains supply. Ensure both the
power switch and mains plug are always accessible.
• Do not position the equipment so that is difficult to remove the mains plug from the wall
socket.
• Do not fit mains power adapter into a damaged mains outlet socket.
• Route power cords safely to eliminate risk of tripping or damage to user.
CAUTION
• Use only genuine Keeler approved parts and accessories or device safety and performance
may be compromised.
• Keep out of the reach of children.

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• To prevent condensation from forming, allow instrument to come to room temperature
before use.
• Only mount on wall according to Keeler Instructions.
• This product should be used in a room with low / dimmed lighting.
• Before using the Pulsair IntelliPuff Tonometer, press the Demo button for 1 second
to dispel any minute particles of dust or moisture which may have settled whilst the
instrument was not in use.
• For indoor use only (protect from moisture).
• There are no user serviceable parts inside. Contact authorised service representative for
further information.
• Follow guidance on cleaning / routine maintenance to prevent personal injury / damage to
equipment.
• Failure to carry out recommended routine maintenance as per the instructions in this IFU
may reduce the operational lifetime of the product.
• At product end of life dispose of in accordance with local environmental guidelines (WEEE).
2.3 CONTRAINDICATION
There is no restriction to patient population this device can be used with other than those
outlined in the contraindications stated below.
Accuracy of IOP measurements is known to be affected by variations and changes in corneal
rigidity due to differences in corneal thickness, intrinsic structural factors or corneal refractive
surgery. It is recommended that these factors are considered during IOP measurement.
3. CLEANING INSTRUCTIONS
3.1 CLEAN THE PUFF TUBE LENS ON A WEEKLY BASIS:
1. Moisten a cotton bud with Isopropyl Alcohol.
2. Move the tip of the bud around the lens in a
circular motion.
3. After one circle the bud should be discarded
to avoid smearing on the lens.
4. Look at the Puff Tube lens from the patient’s
side, if traces of tear film can still be seen,
repeat above steps until clear.
Note: Care should be taken not to damage the Puff
Tube assembly during cleaning.
CAUTION: Never use a dry cotton bud or tissue to clean the Puff Tube lens.
Never use a silicone impregnated cloth or tissue to clean the Puff Tube
lens.

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3.2 CLEANING TONOMETER BODY
Only manual non-immersion cleaning as described should be used for this tonometer. Do not
autoclave or immerse in cleaning fluids. Always disconnect power supply from source before
cleaning.
1. Wipe the external surface with a clean absorbent, non-shedding cloth dampened with
de-ionised water / detergent solution (2% detergent by volume) or water / isopropyl
alcohol solution (70% IPA by volume). Avoid optical surfaces.
2. Ensure that excess solution does not enter the instrument. Use caution to ensure cloth is
not saturated with solution.
3. Surfaces must be carefully hand-dried using a clean non-shedding cloth.
4. Safely dispose of used cleaning materials.
4. POWER SUPPLY ASSEMBLY
4.1 SET PLUG
Replace the blanking plate with the appropriate mains plug adapter if required, or use IEC
60320 TYPE 7 connector (not supplied).
5. WALL MOUNTING
Your Pulsair IntelliPuff is supplied with a sturdy wall mounting bracket.
1. The bracket has four holes allowing it to be securely fixed to an
appropriate wall or vertical surface.
2. Choose carefully the intended location for your IntelliPuff with
particular consideration to health and safety aspects, for example, the
routing of the power lead, and its position in regard to the user and
the patient.
3. Use the wall mounting bracket as a template and clearly mark the
position of the holes in the wall. Ensure that there are no live utilities
where you are to drill.
4. Drill the appropriate size holes for the screws and rawplugs supplied.
5. Attach the plate securely to the wall.
6. Remove labels covering the key holes.
7. Carefully locate the mounting pegs of the plate to the key holes on the back of your
Pulsair IntelliPuff and lower into its final and secure position.
6. TONOMETRY, PRESSURE VARIATIONS IN THE HUMAN EYE
The Keeler Pulsair IntelliPuff Tonometer measures intra-ocular pressure by automatically
releasing a gentle puff of air onto the cornea. This is known as an event.

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Pulsair Intellipuff Tonometer by KEELER
A single reading can sometimes be misleading as the IOP will vary because of pulse, respiratory
and diurnal fluctuations. In addition, blinking, squeezing, fluid intake, physical activity, body
position and even the direction of gaze can influence IOP.
Up to 4 readings may be required to reduce the impact of these variants to obtain a constant IOP.
Pulsair IntelliPuff Tonometer software will recognise the readings and emit a sound notification
when two consecutive readings are +/-1mmHg of each other indicating that further
measurements may not be required.
7. NAMES OF CONTROLS AND COMPONENTS
1On / Off Push Button
To turn the Pulsair IntelliPuff on or off, push the On / Off button – a green LED will indicate the
unit is on.
2Test Eye
This is useful for user training; it will not return an IOP measurement.
3Printer Active LED
When lit, this indicates the printer is activated; replacing the handset in the cradle will start the
print. Alternatively, a print can be made at any time using the print button on the handset.
Remove labels

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4Printer Cover
Access to the printer paper is via the Printer Cover, pull the lip on the top of the cover and
gently pull towards you to open the Printer Cover.
5Serial Port
The Serial Port is used for calibration, systems checking and data output (located on rear of
instrument).
6Power Input
Insert the low voltage power lead (located on rear of instrument) using only Keeler power
supplies.
7Forehead Rest
Push to release or push to return the Forehead Rest to its discrete position.
8Right (OD) / Left (OS) Indicators
These will indicate the eye to be measured; the OD / OS button will toggle between these
indicators.
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9Display
The display shows the recorded IOP reading and the averaged IOP reading.
After the first reading is taken the display shows the measured IOP. After each of the
consecutive reading is taken the display shows the average of the readings taken so far, i.e.
the first figure displayed is the actual reading, the second figure is an average of the first two
readings etc., up to a maximum of 4 readings per eye.
Note: The displayed figure is rounded to the nearest whole number or displayed to one
decimal place depending on the user setting accessed via the User Menu Options.
The displayed average is based on the readings which are taken to one decimal place. For
example, readings of 15.4, 16.3, 14.2 and 16.9 are averaged by adding them together which
equals 62.8 and dividing by the number of readings taken, 4.This gives a final figure of 15.7 or
16 depending on user settings.
When all the required readings have been taken the figure displayed is the IOP that is
recorded for the patient. When two consecutive readings are within 1mmHg an audible sound
will be heard indicating that sufficient readings have been taken.
10 Print / Menu button
A press of less than one second will print the acquired data; press and hold for more than 3
seconds to access the User Menu Options. Refer to page 14 for full instructions on the User
Menu Options.
11 Review Button / Easy Pulse Button
The ‘R’ Review button is dual function:
• Review – It allows the reader to review readings taken.
• Easy Pulse Mode – In the event of difficulties in firing.For example with a damaged or
scarred cornea, it will override the firing parameters to ease taking the measurement.
Press the Review button. The display shows the readings taken in the order they were taken,
the final figure displayed is the cumulative average, the IOP.
The Pulsair memory retains a rolling four readings, per eye. New readings automatically replace
the oldest.
To review the other eye, press the OD / OS button once and then press the Review button.
To clear the memory you can either replace the Hand Unit in the holster and remove again or
press the Demo button.
To initiate Easy Pulse Mode hold the Review button for greater than one second; the display
will show ‘easy’, it will beep once and the Pulsair Intellipuff tonometer will be ready to use on
the difficult eye. Pressing any button, returning the Hand Unit to the Cradle, or performing a
manual reset by pressing the button in the Cradle Well, will return the Pulsair IntelliPuff to its
previous settings.

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12 Demo Button
To reassure the patient, you can demonstrate the procedure, using the Demo button, on the
back of the patient’s hand prior to taking a reading.
13 OD / OS Button ‘Menu Change Button’
This toggles between recording data for the left or right eyes.This button is also used to toggle
through the User Menu Options when in Menu Mode, refer to page 14 for full instructions
on the User Menu Options.
14 Eyepiece
The Eyepiece allows the user to view the patient’s eye and align the targeting system.
15 Puff Tube and Lens
The Puff Tube and Puff Lens are the parts of the Pulsair
IntelliPuff through which the Pulsair IntelliPuff is aligned and
a gentle puff of air is emitted.
16 Alignment LEDs
The two green LEDs located on the front of the Hand Unit act
as a guide when you are lining up the patient’s eye to take
a reading.
8. MEASUREMENT PROCEDURE
8.1 PREPARING THE DEVICE
1. Plug in the Power Supply Cord to
the tonometer.The Power Socket is
located at the rear of the tonometer.
2. Turn the tonometer on using the On /
Off push switch located on the front
of the tonometer.
3. Lift the Hand Unit from the cradle.
4. Remove the red protective dust cap
from the Puff Tube.
5. When the Hand Unit is removed from
the holster the two green LEDs on the
front illuminate, and the pump starts,
the Pulsair IntelliPuff will perform a
system check, when complete the
display will read ‘OK’, refer to Section
9 for a full list of display data.
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6. Before using the Pulsair IntelliPuff press the Demo button to dispel any minute particles
of dust or moisture which may have settled whilst the Pulsair IntelliPuff was not in use.
8.2 PREPARING THE PATIENT
Before using the Pulsair IntelliPuff Tonometer you should make your patient feels at ease and
ensure they are in an optimum reading location, preferably with their head supported. This is
because apprehension and nervousness may adversely affect the readings obtained. Follow the
points outlined below to achieve this:
1. Ask the patient to remove their contact lenses or spectacles if worn and to blink and
breathe normally.
2. Ensure that the patient is comfortable and in a relaxed position.
3. To reassure the patient, you can demonstrate the procedure, using the Clear / Demo
button, on the back of the patient’s hand prior to taking a reading.
Before taking a reading, you should:
1. Ask the patient to blink to ensure a good and reflective tear film.
2. Ensure the patient and tonometer optics are not positioned under direct lighting (i.e.
spot lights or sunlight).
3. Ensure the patient’s eyes are fully opened. This helps to prevent squeezing, where the
patient unconsciously tenses their eyelids and increases IOP.
4. Throughout the reading process, you should allow the patient to blink at intervals to
maintain the corneal tear film.
8.3 TAKING THE READING
Once the Pulsair IntelliPuff and the patient are prepared, you are ready to take a reading.
1. The Pulsair IntelliPuff is set to automatically select the right eye as the first eye to be
measured. If you wish to select the left eye, press the OD / OS button on the hand unit.
2. Lift the Hand Unit, the pump starts and the two green LEDs illuminate.
3. From a distance of about 30 cm (12
inches), look through the eyepiece and
locate the patient’s eye.
4. Slowly move closer to the patient,
maintaining alignment. Support the
Pulsair IntelliPuff against your free hand
and/or use the ‘pop out’ Forehead Rest.

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5. Continue to move in slowly towards the
patient, two green dots will appear.
6. Continue to move closer, a red reflex
appears.
7. Move closer. At a distance of
approximately 15mm, a black cross on
red or ‘bow tie’ image appears. Centre
this image (on the central bar) and the
Pulsair IntelliPuff fires automatically.
8. Once you have taken a reading, remain in the operating position; wait a few seconds for
the air chamber to refill. When the ‘bow tie’ image appears the Pulsair IntelliPuff takes
a subsequent reading. When two successive readings within 1mmHg of each other are
recorded, a sound may be emitted (if sounds are enabled in the User Menu Options). If
successive readings of within 1mmHg of each other are not obtained, Keeler recommend
taking up to four readings.
9. When two consecutive readings are within 1mmHg an audible sound will be heard
indicating that sufficient readings may have been taken.
10. If a reading is recorded as a non-event or bad event, a long high pitch tone will be
heard.
11. The first reading will be the measured value; successive readings will display the running
average IOP. Outlying or spurious readings will automatically be excluded from the
calculation.
12. At any time pressing the Review button will
allow you to view the individual readings.
13. If the unit does not fire, repeat step 3-7.
To measure the other eye, press the OD / OS
button on the Hand Unit and repeat processes
3-7.
Note: For quick alignment reference, please refer to
the short form instructions located at the rear of the
instrument and accessed by using the pull out tab on
the back left hand side.

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9. DISPLAY EXAMPLES
Standby
The tonometer will display STBY when power is on.
System Initialisation
The unit will display WAIT for one second while the system
initialises.
OK
When no fault is found, OK is displayed and the tonometer
defaults to measure the right eye OD.
Shows first reading of 14mmHg.
The LED OD / OS indicator shows which eye the reading
relates to.
Reading to 0.1 significant figure
If 0.1 significant figure is selected using the menu options.
In this case there is no indication on the display that the
reading is the first or average of more than 1.
IOP greater than 25mmHg
When a pressure (IOP) of greater than 25mmHg is detected,
the unit will display >25, the puff intensity will automatically
be increased from the soft puff to the normal puff level for
subsequent measurements.
Self-test
The unit will perform regular Self-tests – if a possible
discrepancy in operating parameters is suspected the ‘RUN
TEST’ message will be displayed for up to 15 seconds. To
continue to use the tonometer press the OD / OS button
to clear the message. The results displayed thereafter may
be suspect. Refer to the User Menu Options section in this
manual for guidance on running the Self-test.
Error
Display shows error. (Signified by a long high pitch sound).

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10. PRINTING
The results can be printed by pressing the Print button on the Hand Unit, or if the user menu is
set to automatically print by replacing the Hand Unit in the cradle.
10.1 SAMPLE PRINT
The reading in brackets (20) indicates a discarded value (not
taken into account in the average calculations).
The Name, Date and Time fields are to be manually written in
by the operator.
The average IOP is printed to one decimal place ‘xx.x’.
The last four individual readings are printed to zero decimal
places ‘xx’.
11. REPLACING THE PRINTER PAPER
1. Access to the printer paper is via the Printer Cover, pull the lip on the top of the Cover
and gently pull towards you to open the Printer Cover.
Remove the empty paper roll.
2. Place the new roll of paper into the paper holder, making sure the free end is loose at
the top of the roll, otherwise it won’t print.
3. Feed the free end of paper through the gap in the Cover.
4. Close the Cover.
12. USER MENU OPTIONS
1. With the tonometer switched on and the Hand Unit removed, press and hold Print /
Menu button for more than 3 second to enter the User Menu Options.
2. The Display will show the first User Menu Option and the current selection i.e.. PRNT ON
or PRNT OFF.
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3. To change the User Option, press the OD OS
/ ‘Menu Change’ button once, ‘toggling’ the
OD OS / ‘Menu Change’ button will cycle
through the option(s).
4. Pressing the Print / Menu button will move
you forward to the next User Option, in this
case the Buzzer Control.
5. Use the OD OS / ‘Menu Change’ button to
make your preferred selection.
Note: to run the Self-test, press the DEMO
button, not the OD OS / ‘Menu Change’
button.
6. Continue to repeat steps 4 and 5 until ‘OK’ is
displayed. Your Pulsair IntelliPuff Tonometer is
now ready to use with your preferred settings.
Menu Option Display Change Options
Printer Control PRNT OFF / ON
Buzzer Control BUZ ON / OFF
IOP Format XX / XX.X
Full Self-test RUN TEST TEST / WAIT
The last choice above ‘Run Test’ (selected by pressing DEMO button) would start a Self-
test program (around 45 seconds), the result of which should be printed.
13. CALIBRATION, MAINTENANCE AND INSPECTION
Keeler recommends this routine maintenance be carried out by the user
frequently to ensure safe and accurate measurement. In the event of
the device being outside of the calibration tolerances, it is important to
send the device back to Keeler Ltd. or your local dealer for repair and
re-calibration.
13.1 REGULAR INSPECTION
Inspect your power supply unit and cable for damage regularly.
Before inspecting, disconnect the power supply from the Pulsair IntelliPuff Tonometer and the
mains.
If the outer insulation of the cable appears to be damaged discontinue use immediately.
Contact your local dealer for a replacement.
OD OS / ‘Menu
Change’ button
Print / Menu
button
Demo
button

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13.2 GENERAL
Keep the tonometer free from dust.
If the Pulsair IntelliPuff Tonometer is to remain unused for any length of time, press the On /
Off Push button switch to ‘Off’ and remove the power supply. Use the dust cover to protect the
tonometer.
14. SERVICING AND CALIBRATION
Keeler recommends an annual calibration for the Tonometer. Do not modify this equipment
without authorisation of the manufacturer.
This must be performed by an authorised Pulsair service centre or distributor. The unit performs
a self function check when switched on and will indicate if a fault is found.
There are no user serviceable parts in this instrument. Service manuals will be available to
authorised Keeler service centres and Keeler trained service personnel.
15. WARRANTY
Your Keeler product is guaranteed for 2 years and will be replaced, or repaired free of charge
subject to the following:
• Any fault due to faulty manufacture.
• The instrument and accessories have been used in compliance with these instructions.
• Proof of purchase accompanies any claim.
The manufacturer declines any and all responsibility and warranty
coverage should the instrument be tampered with in any manner or
should routine maintenance be omitted or performed in manners not in
accordance with these manufacturer’s instructions.
There are no user serviceable parts in this instrument. Any servicing or
repairs should only be carried out by Keeler Ltd. or by suitably trained and
authorised distributors. Service manuals will be available to authorised
Keeler service centres and Keeler trained service personnel.
16. SPECIFICATIONS AND ELECTRICAL RATINGS
The Keeler Pulsair IntelliPuff Tonometer is a medical electrical instrument. The instrument
requires special care concerning electromagnetic compatibility (EMC). This Section describes its
suitability in terms of electromagnetic compatibility of this instrument. When installing or using
this instrument, please read carefully and observe what is described here.
Portable or mobile-type radio frequency communication units may have an adverse effect on
this instruments, resulting in malfunctioning.