Accutome PachPen User manual

PachPen User’s Guide
PachPen®
Handheld Pachymeter
24-5102 Rev-H

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Accutome PachPen Manual
Federal law restricts this device to sale by or on the order of a physician.
FEDERAL COMMUNICATIONS COMMISSION (FCC)
UNINTENTIONAL EMITTER PER FCC PART 15
This device has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference in an ofce installation.
This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions in the user’s guide,
may cause harmful interference to radio or television reception. 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 to an outlet on a different circuit than the receiver is
connected to.
• Consult Accutome, Inc., or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation of this product 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.
CAUTION: Changes or modifications not expressly approved by Accutome, Inc., could void
the FCC compliance and negate your authority to operate the product.
The PachPen is manufactured and trademarked by:
Accutome, Inc.
3222 Phoenixville Pike
Malvern, PA 19355 USA
Toll-Free (USA): [phone]
International: [phone]
Fax: [phone]

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Chapter 1: Introduction 1
PachPen Overview 1
Features 1
Measurements 2
About This Manual 2
Chapter 2: Safety 3
Information 3
Safety Issues to Consider When Using the PachPen 3
Indications for Use 3
Disposal Requirements 3
Disposal of the product within the EU 3
Symbol Definitions for the PachPen 3
Safety Precautions 4
Disinfection and Cleaning 4
Warnings 4
Cleaning Procedure at Point of Use 4
Disinfection of the Probes with Alcohol 5
High-Level Disinfection of the Probe 5
Electrical Hazard and Safety 5
Avoiding Equipment Damage 5
Avoiding Electromagnetic and Other Interference 6
Chapter 3: Getting Started 7
Overview 7
Unpacking Instructions 7
Accessories Included with the PachPen 7
Battery Specification and Installation 7
Battery Specication 7
Battery Installation 8
Instructions for Use 8
Initial PachPen Pachymeter Setup 8
Basic Operation 9
How to Power On the PachPen 9
How to Start a New Patient 9
How to Take a Measurement 10
How to Perform a Calculation 10
Chapter 4: Maintenance, Storage, & Troubleshooting 12
General Maintenance 12
Maintenance and Cleaning 12
Battery Disposal 12
Table Of Contents

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Accutome PachPen Manual
Instructions for Disposal 12
Storage 14
Troubleshooting 14
Chapter 5: Specifications 15
Overview 15
Physical Specifications 15
Environmental Specifications 15
Measurement Accuracy 16
Operating Modes 16
Acoustic Output 17
Chapter 6: Warranty & Repairs 20
Warranty 20
Product Returns 20
Service and Repair 20
All Other Returns 20
NonReturnable Merchandise 21
Replacement Parts 21

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Figure 1.1 - PachPen Pachymeter 1
Figure 3.1 - PachPen Unpacked 7
Figure 3.2 - Battery Insertion 8
Figure 3.3 - Action Control Buttons and LCD 9
Figure 3.4 - Speed of Sound Screen 9
Figure 3.5 - Measurement Screen 9
Figure 3.6 - Measurement Screen Starting New Patient 10
Figure 3.7 - True IOP Screen 11
Table 3.1 - IOP Correction Values 11
Table 4.1 - PachPen Troubleshooting Information 14
Table 5.1 - PachPen Physical Specications 15
Table 5.2 - Environmental Specications 15
Table 5.3 - Measurement Accuracy 16
Table 5.4 - Operating Modes 16
Table 5.5 - Acoustic Output Reporting Table for Track 1 Non-Autoscanning Mode 17
Table 5.6 - Guidance and Manufacturer’s Declaration -
Electromagnetic Emissions 18
Table 5.7- Guidance and Manufacturer’s Declaration -
Electromagnetic Immunity 18
Table 5.8 - Guidance and Manufacturer’s Declaration -
Electromagnetic Immunity 19
Table 6.1 - Accutome Replacement Parts 21
List Of Figures

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Chapter 1: Introduction
1Introduction
PachPen Overview
The Accutome PachPen pictured below has all the features that make it easy to
obtain extreme accuracy and improved patient outcomes.
Figure 1.1 - PachPen Pachymeter
Features
The PachPen is designed for easy access to all screens and functions. The
unsurpassed ease of use of the control buttons and the straightforward graphical
user interface guide you through every operation.
What you can’t see on the surface is also important. Industry-leading signal
acquisition and processing helps ensure accurate measurements. Reliable design
and efcient manufacturing provide scal value. Upgradable software protects your
investment. The PachPen lets you accomplish even the complex simply.
The PachPen provides the following general features:
• Multi-segment high-resolution LCD screen with control buttons to provide
an intuitive user interface
• Long-lasting lithium battery power source
• 18.4 cm x 3.2 cm x 3.2 cm (7 1/4” X 1 1/4” X 1 1/4”) size, and 85 g (3 oz.) weight
make the unit very portable
• Ergonomic design that ts comfortably into the hand for fast and accurate
measurements
• Allows entry of Intraocular Pressure (IOP) and provides Corrected IOP based
on corneal thickness measurements
• The body of the PachPen is angled from the probe tip, and both the body
and the tip have sighting lines that allow easy visualization of the cornea,
facilitating both centration and perpendicularity
• User controlled speed of sound
• Display of measured corneal thickness, entered IOP, Corrected IOP, and
average for all stored measurements
• Automatically or manually capture and store up to nine measurements,
along with the running average of all measurements taken

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Accutome PachPen Manual
Measurements
The high accuracy of the PachPen measurements is provided by the following:
• High-resolution, real-time waveform analysis
• High-speed signal digitalization that acquires over 4,000 points per signal
waveform
• Automatic gain control to acquire the optimum signal
• Highly sensitive 10.5 MHz composite probe
• 20 individual signals acquired and analyzed to produce each measurement
About This Manual
This manual is a guide for technicians, optometrists, and ophthalmologists who are
experienced in ultrasonic biometric techniques.
This manual is organized as follows:
Chapter 2 - Safety
Summarizes safety precautions, warnings, symbols, and terms.
Chapter 3 - Getting Started
Provides assembly instructions and overview of PachPen basic operation.
Chapter 4 - Maintenance, Storage & Troubleshooting
Provides general maintenance, storage and troubleshooting instructions.
Chapter 5 - Specifications
Provides PachPen physical and operational specications.
Chapter 6 - Warranty and Repairs
Describes PachPen warranty information and repair procedures.
After reading this manual, you will be able to set up the PachPen, take
measurements, and enter and calculate Corrected IOP.

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Information
The section lists:
• Specic safety precautions
associated with the PachPen
• General safety precautions
Safety Issues to Consider When
Using the PachPen
The PachPen is noninvasive. The
ultrasonic biometry probe touches the
surface of the anesthetized cornea
during the scanning process.
Indications for Use
This instrument is used for measuring
the corneal thickness of the eye. It is
to be used in a medical setting and
only by technicians, optometrists, and
ophthalmologists who are experienced
in ultrasonic biometric techniques.
CAUTION: General indications for use of
the PachPen include external, structurally
intact areas of the eye globe and orbit only.
Disposal Requirements
Disposal of the product within
the EU
The PachPen contains electronic
components. At the end of its useful
life, it must be properly disposed of in
compliance with local regulations.
EU directives and national regulations
currently in force at the time of
marketing prohibit the disposal
of the PachPen specied on the
delivery note in domestic waste or by
municipal waste disposal companies.
If the PachPen or its components
are resold, the seller has the duty to
notify the buyer that the product must
be disposed of in accordance with
currently valid national regulations.
Symbol Definitions for the
PachPen
Statements, graphics, and symbols
listed below are used on components
of the PachPen. Descriptions and
meanings are listed to the right of the
symbols.
Chapter 2: Safety
2Safety
Attention! Consult
Instruction Manual
Action Control
Button
Battery
Replacement
Type B Medical
Device
Class II Insulation
Disposal of Product
within the EU

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Accutome PachPen Manual
Safety Precautions
There are several areas in the use of the PachPen that require special attention, as
they may pose a safety threat.
The PachPen has an enclosure rated Degree of Protection of IP32. The enclosure
provides protection for objects larger than 2.5 mm and dripping water. In the event
of a spill contacting the unit, wipe the unit completely dry before returning it to
service.
Disinfection and Cleaning
Disinfection issues are conned to the Accutome probe that comes in contact
with the patient’s eye. In order to prevent the transmission of disease, refer to the
OSHA and CDC guidelines for proper control of disinfection. These guidelines are
frequently updated so be sure to contact OSHA, CDC, or your local disease control
agency for the latest information and disinfection technique.
The probe must be cleaned between patients to prevent patient-to-patient transfer
of infection. It is the user’s responsibility to ensure that the relevant standards are
maintained and that the products and procedures are effective and appropriate
for ophthalmic applications. The following information is provided for the guidance
of users, and specic products are mentioned for illustration only. Accutome does
not endorse the use of these or any other product. Products must be used in
accordance with the manufacturer’s instructions.
Warnings
DO NOT AUTOCLAVE THE PROBES OR CONNECTORS.
DO NOT IMMERSE THE PROBE’S CABLES OR METAL CONNECTORS. ALLOW TO DRY
BEFORE USE.
DO NOT IMMERSE THE PROBE TIPS IN TAP WATER. USE DISTILLED WATER FOR
CLEANING AND DISINFECTION
Cleaning Procedure at Point of Use
1. Wear protective gloves when performing the cleaning process.
2. Use a soft cloth lightly dampened in a mild soap or compatible cleaning
solution to remove any particulate matter or body uids that remain on the
probe or cable.
3. To remove remaining particulates, rinse with a distilled water —dampened
cloth to remove soap residue, and then wipe with a dry cloth.

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Safety
Disinfection of the Probes with Alcohol
One recommended disinfection technique is to clean the probe assemblies with
70% isopropyl alcohol.
A 5 to 10 minute exposure is recommended. It is imperative that the alcohol
be given time to evaporate before applying a probe to a patient’s eye. Do not
completely immerse the probe or cable; only the tip of the probe should be placed in
the solution.
After cleaning, rinse the end of the probe thoroughly with distilled water to remove
all traces of alcohol.
Probe surfaces should be dried with a lint-free cloth.
High-Level Disinfection of the Probe
If high-level disinfection is required by your facility, the probe may be cleaned using
an FDA-cleared high-level disinfectant, such as Cidex OPA Activated Dialdehyde
Solution.
If your facility is located in the EU, Mikrozid wipes are a compatible method of high-
level disinfection for Accutome probes.
Note: Be sure to follow the disinfectant manufacturer’s written protocol when
using any antibacterial solution, including high-level disinfectants.
Electrical Hazard and Safety
The PachPen is an electrical/electronic device. Reasonable care should be taken
when making an electrical connection and handling electrically powered devices.
Avoid the use of damaged electrical equipment. If repair or maintenance is to be
performed on the PachPen, the equipment must be turned off and the battery
removed.
The device covers must not be removed except by qualied personnel. There are
no user controls inside the unit. To avoid injury, do not operate the PachPen without
protective covers.
The system is intended to operate from a 3.6V lithium battery.
WARNING! BEFORE EACH PATIENT PROCEDURE, INSPECT THE PROBE TO ENSURE THAT
THERE ARE NO BREAKS OR CRACKS IN THE OUTER SHELL.
Avoiding Equipment Damage
No peripheral equipment may be connected to the PachPen.
The PachPen provides no explosion protection from static discharge or arcing
components. Do not operate the instrument in the presence of explosive gases
such as ammable mixtures of anesthetic and air, or nitrous oxide.

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Accutome PachPen Manual
Caution: Dropping the PachPen can result in damage to the housing or other parts of the
device. To prevent unwanted damage to the device, be sure to use the lanyard provided
when handling the unit.
WARNING! OPERATING OR STORING THE DEVICE BEYOND THE ENVIRONMENTAL RANGES
IN THE SPECIFICATIONS CHAPTER MAY RESULT IN ERRONEOUS READINGS AND/OR
PREMATURE FAILURE OF THE DEVICE.
Avoiding Electromagnetic and Other Interference
Do not use a cellular telephone or other device not compliant with EMC Class B
requirements, as its signals may cause the equipment to malfunction. The effect
of radio signals on medical devices is dependent on various factors and therefore
unpredictable. To avoid electromagnetic interference, the device must be installed
and operated in accordance with the user’s manual and using the components
supplied by Accutome.
WARNING! THE USE OF ACCESSORIES, TRANSDUCERS, AND CABLES OTHER THAN
THOSE SPECIFIED BY THE MANUFACTURER MAY RESULT IN INCREASED EMISSIONS OR
DECREASED IMMUNITY.

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Chapter 3: Getting Started
3Getting Started
Overview
The PachPen is designed to be used in multiple medical settings and can be rested
on a surface, such as a counter or desk. The PachPen requires no assembly.
Unpacking Instructions
Upon receiving the PachPen:
1. Remove the PachPen Pachymeter
case from the protective shipping
materials. Save the shipping
materials for use if return or
repair becomes necessary.
2. Check for missing items. The
PachPen Pachymeter, this
manual, and a lanyard should
be included inside the case. The
additional openings in the case
foam are for storing alcohol prep
pads and a bottle of ophthalmic
anesthetic, if you wish.
3. Visually inspect the PachPen
Pachymeter for damage.
Accessories Included with the
PachPen
1. (1) XENO 3.6V Lithium Battery
2. (1) User’s Guide
3. (1) Screwdriver
4. (1) Lanyard
Note: Notify Accutome, Inc., immediately if any components are missing or
damaged. See chapter 6 of this manual for contact information.
Battery Specification and Installation
The power source for the PachPen is a 3.6V lithium battery. The battery is included
with the PachPen and must be installed before use.
Battery Specication
Use only one (1) 3.6V, XENO model XLP-050F lithium battery, or an equivalent.
Figure 3.1 - PachPen Unpacked

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Accutome PachPen Manual
CAUTION: USE ONLY THE STYLE AND TYPE OF BATTERY SPECIFIED. ANY OTHER STYLE
OR TYPE OF BATTERY MAY CAUSE DAMAGE TO THE PRODUCT AND INVALIDATE THE
WARRANTY.
Battery Installation
CAUTION: THE BATTERY IS POLARIZED SO THAT IT ONLY FITS INTO THE BATTERY
COMPARTMENT ONE WAY. CHECK TO BE SURE THAT THE BATTERY IS INSTALLED
CORRECTLY, AND DO NOT FORCE THE BATTERY INTO PLACE. INCORRECT BATTERY
INSTALLATION COULD CAUSE SEVERE DAMAGE TO THE PRODUCT AND INVALIDATE THE
WARRANTY.
To install the battery in the PachPen:
1. Locate the battery compartment on the underside of the PachPen and
open the compartment by unscrewing the captive battery door screw.
The battery door is hinged to the bottom of the handle and should not be
removed from the product.
2. Insert the XENO model XLP-050F lithium battery, or an equivalent, into the
battery compartment as shown in Figure 3.2.
3. Close the battery compartment door and screw the captive battery door
screw back into position to rmly hold the battery compartment door in a
closed position. Do not overtighten the screw.
Figure 3.2 - Battery Insertion
Instructions for Use
CAUTION: DO NOT AUTOCLAVE THE PACHPEN PACHYMETER.
Initial PachPen Pachymeter Setup
The steps below outline the basic setup of the PachPen.
1. If the battery is not installed in the PachPen, install the battery as described
in “Battery Installation” above.
2. If you wish to change the speed of sound setting for the unit, press and
hold the Action Control Button for 2 to 3 seconds until the Speed of Sound

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Getting Started
screen is shown on the LCD display. Then release the Action Control Button
and use the Up and Down Control Buttons to set the speed of sound
desired.
3. To return to the Measurement screen, press and hold the Action Control
Button for 2 to 3 seconds until the Measurement screen appears.
Figure 3.3 - Action Control Buttons and LCD
Figure 3.4 - Speed of Sound Screen
Basic Operation
The basic operation of the PachPen consists of the following steps:
1. Power on the PachPen instrument.
2. Take up to nine measurements.
3. Enter the measured IOP and calculate the corrected IOP for each eye.
4. Record the data in the Patient Record.
How to Power On the PachPen
1. With the battery installed, the PachPen is always powered. However, after a
period of nonuse, the unit turns off sections of the electronics, including the
LCD, to conserve power.
2. To restore the unit to full power, press any control button.
3. The Product Information Screen is briey displayed, and then the
Measurement Screen is displayed.
How to Start a New Patient
1. Hold the Up and Down Control Buttons on the PachPen simultaneously for
2 to 3 seconds.
Figure 3.5 - Measurement Screen

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Accutome PachPen Manual
2. A single beep from the
instrument will indicate that all
measurements, averages, IOP
entries and calculations are set to
zero.
WARNING! THE PROBE TIP MUST BE
PROPERLY DISINFECTED BEFORE TAKING ANY
MEASUREMENTS ON A NEW PATIENT.
How to Take a Measurement
1. Touch and hold the Up and Down
Control Buttons on the PachPen simultaneously for 2 to 3 seconds to reset
all measurements, averages, and IOP information to zero.
2. Press and release the Action Control Button. Two high pitched chirps
(beeps) and a rotating line to the left of the average in the display indicate
that the PachPen is ready to take a reading.
3. Apply the probe to the patient’s eye.
4. The PachPen will automatically proceed to the next empty measurement if
it is available.
5. The PachPen will emit a high-pitched chirp (beep) when you have
automatically acquired a measurement.
6. The PachPen will emit three high-pitched chirps (beeps) when the nineth
measurement has been taken, or if the measurement time expires.
Notes
1. The PachPen can take up to nine measurements and provide the average
of those measurements. This average is the number used when calculating
the True IntraOccular Pressure (TIOP).
2. The * symbol by a measurement indicates the reading which is farthest
away from the average.
3. You can review the measurements taken by pressing the Up and Down
Control Buttons.
4. You can delete any measurement taken by touching and holding either the
Up or Down Control Button for several seconds (until the unit emits a high-
pitched chirp). After deleting a measurement, the unit will automatically
recalculate the average of the measurements.
How to Perform a Calculation
After you have completed a patient’s measurements, you can calculate the True IOP
for the patient. You can perform the calculation from the MIOP Screen.
To calculate True IOP:
1. From the Measurement Screen, select the MIOP screen by pressing and
holding the Action Control Button for 2 to 3 seconds.
2. Enter the measured IOP by pressing the Up and Down Control Buttons until
the proper measured IOP is displayed. If you make a mistake, just reselect
the correct value.
3. The True IOP based on the average of the measurements taken is displayed
below the measured IOP.
Figure 3.6 - Measurement Screen
Starting New Patient

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Getting Started
4. Return to the Measurement
Screen by pressing and holding
the Action Control button until
the Measurement Screen
appears.
Table 3.1 below provides the IOP
correction values.
Figure 3.7 - True IOP Screen
Table 3.1 - IOP Correction Values
Corneal Thickness (micrometers) Correction Values (mmHg)
405 7
425 6
445 5
465 4
485 3
505 2
525 1
545 0
565 -1
585 -2
605 -3
625 -4
645 -5
665 -6
685 -7
705 -8
Correction Values according to corneal thickness of 545 micrometers. These correction
values are modied from the work of Doughty and Zamen. This chart was reproduced from
the Review of Ophthalmology, July 2002. Leon Herndon, MD, Duke University, Glaucoma
Service, pp. 88—90.

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Accutome PachPen Manual
Chapter 4: Maintenance, Storage, & Troubleshooting
4Maintenance, Storage
& Troubleshooting
General Maintenance
Maintenance that should be performed on the PachPen consists of activities such
as keeping surfaces free of dust and dirt and storing in a dry and cool place so as
to not adversely affect electronic parts.
Refer to pages 4 and 5 for details on disinfection and cleaning before doing any
disinfection or cleaning of the PachPen.
CAUTION: NO ABRASIVES OR HARSH CLEANING SOLUTIONS SHOULD BE USED WHILE
CLEANING THE PACHPEN.
Note: The unit does not contain any user replaceable parts other than the
battery.
Maintenance and Cleaning
Clean the PachPen Pachymeter by wiping everything except the tip with a clean
lint-free, nonabrasive cloth and alcohol.
Clean the PachPen Pachymeter tip by dipping only the rst ¼” of the tip into alcohol
or in an ultrasonic cleaner and allowing it to air-dry.
Do not drop the device. Avoid any shock or excessive vibration as this may
damage the unit.
Do not immerse the device in any fluid. This will damage the electronics and
invalidate the warranty.
Note: See chapter 3 for battery specification and installation.
Battery Disposal
Follow the procedure outlined below for proper disposal of lithium batteries.
Instructions for Disposal
1. Guidelines for the disposal of lithium batteries are continually under review.
Waste-management companies can provide assistance in the disposal of
these cells and batteries.
2. Disposal should be done in accordance with applicable regulations, which
vary from country to country. In most countries, trashing of used batteries
is forbidden and disposal can be done through nonprot organizations
mandated by local authorities or organized by professionals.
3. Cells and batteries should not be incinerated unless suitable procedures
are followed and appropriate precautions have been taken by qualied
handlers. Exposure of these cells to high temperatures or re can cause
them to vent and/or rupture.

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4. Used batteries should be shipped with the same regulations as those for
new lithium/thionyl chloride batteries.
5. Accutome recommends that cells and batteries for disposal should be
collected, transported, and disposed of in a manner that will prevent short-
circuit (the terminals taped).
6. Handling of used cells and batteries should be done according to the safety
instructions of fresh cells.
7. Recycling of the cells and batteries should be done in authorized facilities,
through a licensed waste carrier. A recycler in the United States is listed
below.
Disposal in Europe
The European Community (EC) has issued two directives; 91/157/EEC and 93/86/
EEC. These directives are implemented by each member country in a different way.
Thus, in each country, the manufacturers, importers, and users are responsible for
proper disposal or recycling.
In accordance with these directives, the PachPen Lithium cells do not contain
dangerous substances. The reaction products are inorganic and do not represent
environmental hazards, once the decomposition or neutralization process has
terminated.
Disposal in the United States.
Lithium batteries are neither specically listed nor exempted from the federal
Environmental Protection Agency (EPA) hazardous waste regulations, as conveyed
by the Resources Conservation and Recovery Act (RCRA). The only metal of
possible concern in the cell is the lithium metal that is not listed or characterized
as a toxic hazardous waste. Signicant amount of spent cells and batteries that are
untreated and not fully discharged are considered as reactive hazardous waste.
Thus, hazardous waste of spent cells and batteries can be disposed of after they
are rst neutralized through an approved secondary treatment prior to disposal
(as required by U.S. Land Ban Restriction of the Hazardous and Solid Waste
Amendments of 1984).
Disposal of spent batteries should be performed by an authorized, professional
disposal company that is familiar with the requirements of the federal, state, and
local authorities regarding hazardous materials, transportation, and waste disposal.
In any case, it is recommended that you contact your local EPA office.
PROPER SHIPPING NAME: Waste lithium Batteries
UN NUMBER: 3090
LABEL REQUIREMENTS: MISCELLANEOUS, HAZARDOUS WASTE
DISPOSAL CODE: D003
Maintenance, Storage & Troubleshooting

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Accutome PachPen Manual
Following is a battery recycler and collector in the United States:
ToxCo, Inc.
3200E Frontera, Anaheim, California 92806
Contact Person: David Miller • Email: [email protected]
Phone: [phone] • Fax: [phone] • www.Toxco.com
Storage
1. When not in use, the PachPen Pachymeter and all accessories should be
placed in the storage case.
2. If the PachPen Pachymeter is not to be used for an extended period of time,
remove the battery from the device.
Troubleshooting
Refer to Table 4.1 below for information in identifying and correcting problems that
can occur with the PachPen.
Table 4.1 - PachPen Troubleshooting Information
Symptom Probable Cause Correction
“LOW BATT”
Displayed Battery is low Replace battery (see chapter 3)
Multiple variable
readings Improper technique Review measurement technique
Battery is low Replace battery (see chapter 3)
Mechanical or electronic
damage
Arrange for repair through
Accutome Technical Service Group
(see chapter 6)
No beep and/or
no display upon
activation
Action Control Button not
held down long enough
Hold down Action Control Button
longer
Incorrect battery
installation Check battery installation
Battery is low Replace battery (see chapter 3)
Mechanical or electronic
damage
Arrange for repair through
Accutome Technical Service Group
(see chapter 6)
No Readings Improper technique Review measurement technique
Incorrect battery
installation Check battery installation
Battery is low Replace battery (see chapter 3)
Mechanical or electronic
damage
Arrange for repair through
Accutome Technical Service Group
(see chapter 6)

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Chapter 5: Specifications
5Specifications
Overview
This section provides the physical and operational specications of the PachPen.
Physical Specifications
Table 5.1 below lists the physical specications of the PachPen instrument and
associated peripherals.
Table 5.1 - PachPen Physical Specications
Main Unit
Dimensions 18.4 cm x 3.2 cm x 3.2 cm (7 1/4” x 1 1/4” x 1 1/4”)
Weight 85 g (3 oz.)
Display
Type Multi-Segment Monochrome Liquid Crystal Display (LCD)
Size 28.6 mm (1.13”) Diagonal Viewable Area
Probe Frequency 10.5 MHz, Composite
Sample Frequency 65 MHz
Safety Meets EN 60601-1 Series electrical standards for medical
equipment
Applied Parts PachPen pachymeter probe
Environmental Specifications
Table 5.2 below lists the PachPen system operating and storage values for
temperature and humidity.
Table 5.2 - Environmental Specications
Temperature
Operating +10°—40°C (50°—104°F)
Storage -20°—60°C (-4°—140°F)
Relative Humidity
Operating 20—80% (noncondensing)
Storage 15—90% (noncondensing)
Atmospheric Pressure
Operating 700—1060 hPa
Storage 500—1060 hPa