Keeler Pulsair Desktop User manual

Tonometer
INSTRUCTIONS FOR USE
EN LT SLSK

EN
LT
SL
SK
„Pulsair“ stalinis tonometras
Naudojimo instrukcija..............................................22
Tonometer Pulsair Desktop
NAVODILA ZA UPORABO..........................................64
Pulsair Desktop Tonometer
Instructions For Use ..................................................1
Tonometer Pulsair Desktop
Návod na použitie....................................................43

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Pulsair Desktop 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.......................................................................................................................................3
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................................................................................................................................5
4. POWER SUPPLY ASSEMBLY.................................................................................. 6
4.1 SET PLUG.......................................................................................................................................................................................6
5. MOUNTING................................................................................................................6
6. TONOMETRY, PRESSURE VARIATIONS IN THE HUMAN EYE .......................6
7. NAMES OF CONTROLS AND COMPONENTS................................................... 7
8. SELF TEST...................................................................................................................11
9. MEASUREMENT PROCEDURE..............................................................................12
9.1 PREPARING THE DEVICE................................................................................................................................................12
9.2 PREPARING THE PATIENT..............................................................................................................................................12
9.3 TAKING THE READING.....................................................................................................................................................13
10. PRINTING ..................................................................................................................13
10.1 USB DATA OUT.......................................................................................................................................................................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.......................................................................................................................................................................................15
14. SERVICING AND CALIBRATION..........................................................................16
15. WARRANTY ..............................................................................................................16
16. SPECIFICATIONS AND ELECTRICAL RATINGS...............................................16
16.1 ELECTROMAGNETIC EMISSIONS...........................................................................................................................16
16.2 ELECTROMAGNETIC IMMUNITY.............................................................................................................................17
16.3 RECOMMENDED SAFE DISTANCES.....................................................................................................................19
17. TECHNICAL SPECIFICATIONS ............................................................................19
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 Desktop Tonometer 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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Pulsair Desktop Tonometer by KEELER
1. INDICATIONS FOR USE
These devices are intended to be used only by suitably trained and authorised healthcare
professionals.
The Pulsair Desktop 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.
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 Desktop 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.
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

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Pulsair Desktop Tonometer by KEELER
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.
• 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.
• To prevent condensation from forming, allow instrument to come to room temperature
before use.
• Keeler recommends the use of disposable hygienic chinrest tissues on the chin rest before
the patients place their chin on it.
• This product should be used in a room with low / dimmed lighting.

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• Before using the Pulsair Desktop Tonometer, press the Clear / 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.
3.2 CLEANING TONOMETER BODY
Only manual non-immersion cleaning as described should be used for this tonometer. Do not
use corrosive products. Do not autoclave or immerse in cleaning fluids. Always disconnect
power supply from source before cleaning.

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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. MOUNTING
Your Pulsair Desktop Tonometer is designed to be used on a sturdy flat surface, for example, a
medical instrument table or a purpose designed refraction system tabletop.
Choose carefully the intended location for your Pulsair Desktop Tonometer 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.
Your Pulsair Desktop Tonometer has four anti slip rubber feet, check these are located well
within the edge of your intended flat surface to ensure there is no possibility of the Pulsair
Desktop Tonometer becoming dislodged and causing injury to a user or patient.
Your Pulsair Desktop Tonometer has an adjustable chinrest, however, we recommend that
to ensure maximum patient comfort you use it on a height adjustable table that allows
wheelchair access for any wheelchair bound patients.
6. TONOMETRY, PRESSURE VARIATIONS IN THE HUMAN EYE
The Keeler Pulsair Desktop Tonometer measures intra-ocular pressure by automatically
releasing a gentle puff of air onto the cornea. This is known as an event.
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 Desktop 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.

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7. NAMES OF CONTROLS AND COMPONENTS
1Travelling Lock
The Pulsair Desktop Tonometer is fitted with a Travelling Lock to protect the moving parts from
damage when in transit or when the tonometer may be subject to sudden movement or shock.
To release the Travelling Lock rotate it counter-clockwise until the Joystick Assembly is free to
move.
To lock the moving section in place, align the Moving Platform with the Base Unit and carefully
screw the Travelling Lock clockwise until it is firmly located.
Note: do not over tighten the Travelling Lock.
2Chinrest and Chinrest Height Adjuster
Rotate the Chinrest Adjuster to increase or decrease the height of the Chinrest until the
patient’s outer canthus is in line with the indicator line on the Chinrest vertical bar.
3On / Off Push Button
Press the On / Off button to switch on the tonometer and ready for use. The display will
progress quickly through the following stages during system
initialisation.
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2
3
Moving
Platform
Base
Unit
Rotate to elevate
Measurement Head
Joystick
S T A R T I N G ... . . . . .
K E ELER P U L S A I R
S T A R T I N G

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When the system is ready to use, the
display will read ‘L: READY’ or ‘R: READY’
depending on whether the tonometer is in
position to test the left eye or the right eye.
‘R’ indicates it is in the right eye position
– the display could also read ‘L’ for the left
eye position.
4Start / Stop Button
Pressing the Start / Stop button while the Pulsair Desktop Tonometer
is running will stop the pump and put the system into Standby Mode,
the display will show ‘STANDBY’.The Start / Stop button will reset
the memory buffer, clearing all readings stored. Pressing the Start /
Stop button while the unit is in Standby Mode, the Pulsair Desktop
Tonometer will start with the pump running and the system is initialised
ready for use. The tonometer will go through all the displays.
5Motion Sensitive Wakeup Mechanism
The Pulsair Desktop Tonometer is equipped
with a motion sensor. Upon moving the
Moving Platform from left to right or vice
versa, the motion sensitive switch is activated to start the pump and the rest of the system
from Standby Mode so that it is ready for measurement use. The tonometer will go through
all the displays. After two minutes of inactivity the system automatically switches off to save
energy.
6Clear / Demo Button
Pressing the Clear / Demo button momentarily clears all records of
previous readings, and the tonometer is set to its default setting. If
Clear / Demo button is pressed and held for more than a second, the
tonometer initialises and fires a demo puff to demonstrate to the
patient the softness of the air puff.
7Print / Menu Button
Pressing the Print / Menu button momentarily will print the results on
the integrated printer and send the data to the USB data port. If Print /
Menu button is pressed and held for more than a second, the User
CLEARING
D E M O P UFF
O K
R : R E A D Y
L : REA D Y

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Pulsair Desktop Tonometer by KEELER
Menu Options is entered.
8Easy Pulse Button
Pressing and holding the Easy Pulse button for over a second
activates the Easy Pulse Mode.
This enables the tonometer to fire when it is difficult to get a
measurement, for example, with a damaged or scarred cornea.
This action is accompanied by sound and an additional momentary indication on the display.
On pressing any other button or changing the eye, the tonometer resets to normal mode.
9USB Transfer Port
This is used for transferring IOP data to an external device, such as a personal computer, and
for use by a qualified technician when calibrating the Pulsair Desktop Tonometer or performing
a software revision.
N O D A T A
PRINTING
E A S Y P U L S E
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10 Power Input Connection / Disconnection
To connect, insert the low voltage power lead into the power input socket. To disconnect,
remove the low voltage power lead from the power input socket.
11 Joystick
The rotating Joystick controls the elevation of the Measurement Head and back-front
movements of the Moving Platform of the Pulsair Desktop Tonometer.
12 Printer 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.
13 Alignment Screen
The Alignment Screen allows the user to visualise the patient’s eyes to correctly align the
tonometer with the centre of the cornea prior to measurement. Alignment is performed using
the Moving Platform of the Pulsair Desktop Tonometer and the Joystick for final alignment.
The Pulsair Desktop Tonometer will fire automatically when correctly positioned and aligned.
See section 8 for detailed instructions on the alignment process.
14 Alignment Screen Adjustment Control Wheels
15 Measurement Display Screen
This screen will display the eye measured, the average reading and individual readings from
either the left (L) and right (R) eyes. Left and right detection is automatic.
After the first reading is taken the display shows the measured
IOP. After each of the consecutive readings are taken the
display shows the individual reading and the average of up to
the last four 4 readings per eye.
In addition to IOP readings, the Pulsair Desktop Tonometer
also displays several messages on the display when a
measurement is not detected for a number of reasons. In such
cases, the display may read as follows:
Colour adjustment Brightness adjustment
Contrast
adjustment
R : 1 6 : 1 6 1 6 1 6 1 6
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a) < 5: This is shown when the reading is lower than 5mmHg, in which case no valid
reading is displayed. Signified by long sound.
b) >25: This is shown when applanation is detected with soft-puff and the reading is
greater than 25mmHg, in this case the tonometer displays ‘>25’ and switches to
hard puff. The tonometer shall stay in hard puff mode until two consecutive readings
are less than 20mmHg.
c) >50: This is shown when the reading is greater than 50mmHg, in which case no
valid reading is displayed. Signified by long sound.
Note: The displayed average 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 running average is based on the actual 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. Please note independent readings are
displayed as whole numbers.
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
emitted indicating that sufficient readings may have been taken.
8. SELF TEST
A self test program can be run for diagnostic purpose by selecting the Menu Option.The
display will show ‘RUN SELF TEST’. By pressing the Clear / Demo button self test is entered and
the display will show ‘SELF TEST RUNNING’, and this will run for 45 seconds. At the end of the
test the resulting data is sent to the printer and the display is cleared.
R U N S ELF TEST?
SELFTEST R U N N I N G

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9. MEASUREMENT PROCEDURE
9.1 PREPARING THE DEVICE
1. Plug in the Power Supply Cord to
the tonometer. The Power Socket is
located on the right-hand side of the
tonometer.
2. Turn the tonometer on using the On /
Off push switch located on the front
of the tonometer. The tonometer will
initialise ready for use.
3. Remove the protective dust cap from
the Puff Tube.
4. Unscrew the Travelling Lock if
secured.
5. Using the Joystick bring the moving
part of the Pulsair Desktop Tonometer
back towards you and across to the
left (to measure the right eye first).
6. Before using the Pulsair Desktop
Tonometer, press the Clear / Demo
button for 1 second to dispel any
minute particles of dust or moisture
which may have settled on the
tonometer whilst not in use.
9.2 PREPARING THE PATIENT
Before using the Pulsair Desktop 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.
4. Place disposable chinrest tissue on the Chinrest.
Ask the patient to place their head on the Chinrest.
5. Adjust the Chinrest height so that the outer canthus is
aligned with the marker on the Chinrest vertical support.
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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.
9.3 TAKING THE READING
1. Holding the Joystick, move the Moving
Platform with the other hand until the patients
eye to be measured is visible and central on
the Alignment Screen. Height adjustment is
obtained by rotating the Joystick. If there is
insufficient travel re-check the patients head
height in the Chinrest and try again using the
Joystick
2. Carefully move the tonometer towards the
patient until the external eye image becomes
the cross hairs alignment target.
3. Using the Joystick, focus the cross-hair
alignment target until the correct focused
position triggers the tonometer to fire
automatically.
Note: a red hue may be visible on the screen, this does not affect the function of the device.
4. Remain in the firing position until the Pulsair Desktop Tonometer stops reading after
four readings per eye are taken. The Pulsair Desktop Tonometer will emit a short beep
when sufficient readings have been taken i.e. when two successive readings are within
+/- 1mmHg of each other.
5. If a reading is recorded as a non-event or bad event, a long tone will be heard.
6. 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.
10. PRINTING
The results can be printed by pressing the print button at any time. Printing the results does not
clear the print memory buffer.
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10.1 USB DATA OUT
Pressing the print button sends a flat file to the USB port in the following format:
[R] = xx, xx, xx, xx, [xx.x]
[L] = xx, xx, xx, xx, [xx.x]
This data may be able to be imported into other applications, for details of
how to perform this please consult your third party program support team.
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, press and hold the Print / Menu button for more than
3 seconds to enter the User Menu.
2. The display will show the first Menu Option (Buzzer Control) and the current selection
(i.e.. [BUZZER ON] or [BUZZER OFF])
Print button
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3. Pressing the Clear / Demo button for more than 1 second, cycles through the user
Change Options (shown in table.)
4. Pressing the Print / Menu button for more than 1 second moves you forward to the next
Menu Option (shown in table), in this case the Desktop Level.
5. Use the Clear / Demo button to make your preferred selection.
6. Continue to repeat steps 4 and 5 until ‘OK’ is displayed. Your Pulsair Desktop Tonometer
is now ready to use with your preferred settings.
Menu Option Display Change Options
Buzzer Control BUZZER ON ON / OFF
IOP Format DISPLAY XX XX / XX.X
Display Screen CONTRAST 0 0 - 20
Full Self Test RUN SELF TEST? RUNNING SELF TEST
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 Desktop 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.
13.2 GENERAL
Keep the tonometer free from dust.
If the Pulsair Desktop 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.

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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 Desktop 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.
16.1 ELECTROMAGNETIC EMISSIONS
Guidance and manufacturer’s declaration – electromagnetic emissions
The Keeler Pulsair Desktop tonometer is intended for use in the electromagnetic environment
specified below. The customer or user should assure that it is used in such an environment.