Welch Allyn assumes no responsibility for any injury to anyone, or for any illegal or improper use of the
product, that may result from failure to use this product in accordance with the instructions, cautions,
warnings, or statement of intended use published in this manual.
Software in this product is Copyright 2016 Welch Allyn or its vendors. All rights are reserved. The
software is protected by United States of America copyright laws and international treaty provisions
applicable worldwide. Under such laws, the licensee is entitled to use the copy of the software
incorporated with this instrument as intended in the operation of the product in which it is embedded.
The software may not be copied, decompiled, reverse-engineered, disassembled, or otherwise reduced
to human-perceivable form. This is not a sale of the software or any copy of the software; all right, title,
and ownership of the software remain with Welch Allyn or its vendors.
For information about any Welch Allyn product, contact your local Welch Allyn representative: http://
The Welch Allyn Masted Scales are intended to be used by clinicians for weighing
patients up to 660 pounds (300 kg) for model 5122, up to 880 pounds (400 kg) for
models 5002 and 6002, and up to 1000 pounds (454 kg) for model 5702.
1
Indications for use
The Welch Allyn Masted Scales are used by clinicians to weigh patients. An optional
height gauge is available on some models.
Symbols
Documentation symbols
WARNING The warning statements in
this manual identify conditions or
practices that could lead to illness, injury,
or death. Warning symbols will appear
with a grey background in a black and
white document.
Consult Directions for Use
Shipping, storing, and environment symbols
Temperature limit
Caution The caution statements in this
manual identify conditions or practices
that could result in damage to the
equipment or other property, or loss of
data.
Keep dry
Separate collection of Electrical and
Electronic Equipment. Do not dispose as
unsorted municipal waste.
Fragile
Page 6
IntroductionWelch Allyn Masted Scales
2
Humidity limitation
This way upStacking limit by number
Recyclable
Miscellaneous symbols
ManufacturerReorder Number
Product IdentifierFor indoor use only
Atmospheric pressure limitation
Serial NumberPrescription only or "For Use by or on the
BatteryPower
About warnings and cautions
Caution statements can appear on the Welch Allyn Masted Scales, the packaging, the
shipping container, or in this Directions for use.
The Welch Allyn Masted Scales are safe for patients and clinicians when used in
accordance with the instructions and caution statements presented in this Directions foruse.
Before using the device, you must familiarize yourself with all cautions, with the steps to
power up the device, and with the sections of this Directions for use that pertain to your
use of the device. In addition to reviewing the general cautions presented in the next
section, you must also review the more specific cautions that appear throughout the
manual in conjunction with setup/startup, operation, and maintenance tasks.
•Failure to understand and observe any warning statement in this manual could lead
to patient injury or illness.
•Failure to understand and observe any caution statement in this manual could lead to
damage to the equipment or other property, or loss of patient data.
order of a licensed medical professional"
Page 7
Directions for use Introduction 3
General warnings and cautions
WARNING Patient injury risk. Make sure the scale is properly cleaned
between patients.
WARNING Patient or operator injury risk. Make sure the scale is
positioned on a stable surface and in a way to avoid shock or bumping
hazards.
CAUTION Make sure that you routinely perform general maintenance and
equipment safety checks on your scale. Remove the scale from service
when you notice damaged power cords.
CAUTION Make sure the scale is set in the proper measurement units for
your facility. Make sure you record the measurement units as they are
displayed.
CAUTION Do not use this scale to transport patients or items.
Controls and indicators
Scale
Models 5002 and 5702
1Steering handle/hand grip
2Front panel
3Mast
4Hand rail
Page 8
IntroductionWelch Allyn Masted Scales
4
5Wheels
6Weighing platform
N/A Battery access door (located on the rear of the mast)
N/A Height gauge (optional)
Model 6002
1Steering handle/hand grip
2Control panel
3Mast
4Hand rail (optional)
5Wheels
6Weighing platform
7Wheelchair ramp
N/A Battery access door (located on the rear of the mast)
N/A Height gauge (optional)
Page 9
Directions for use Introduction 5
Model 5122
1Control panel
2Mast (battery access door located on front)
3Weighing platform
Page 10
IntroductionWelch Allyn Masted Scales
6
Front panel buttons
ButtonFunction
ZEROPress this button to reset the scale to zero.
ONPress this button to turn on the scale.
ST
RECALLPress this button to recall the previously stored scale reading.
LBPress this button to display the weight in pounds.
KGPress this button to display the weight in kilograms.
PRINT (DATA)
SEND
REWEIGHPress this button to retake the patient's weight.
Press this button in conjunction with ON to enter the setup mode.
Note
Press this button to print the current weight.
On models equipped with a RS-232 port, pressing this button when the scale is connected to a
computer sends the current measurement to the computer.
This button is not present if you purchased a scale with the kilogram-only option.
Page 11
Assembly and setup
The scale is fully assembled at the factory and tested. In some instances, the scales are
shipped assembled. However, due to size and shipping restrictions, most scales are
partially disassembled. If assembly is required, it can be done with common hand tools.
When special tools are required, they are supplied with the scale. Ensure that all bolts
and fasteners are securely tightened.
Use the following instructions to assemble and setup your scale for use.
7
Models 5002 and 5702 stand-on scales
1. Carefully remove all parts from the shipping carton and inspect the components for
shipping damage.
2. Place the scale base on the floor or on a workbench.
3. Insert the mast into the base. Ensure that the readout display is facing the patient
when the patient stands on the scale.
4. Fasten the mast with the bolts and washers provided.
5. Tighten the bolts securely to ensure a solid connection is made.
Weighing deck mounting (model 5702)
1. Position the weighing deck so that the two sets of holes are closest to the mast.
2. Line the weighing deck up with the mounting holes in the aluminum plate.
3. Install the four flat head screws through the weighing deck.
4. Securely tighten the supplied mounting screws with the provided hex key.
Handrail mounting
1. Attach the handrail to the top of the weighing platform using the button head screws
and the provided hex key.
Three screws are required for each mounting plate (six total screws).
2. Tighten all six screws securely to ensure a safe and stable handrail.
Height gauge assembly (purchasable option)
If your scale was ordered with a height gauge, follow the installation directions packed
with the height gauge.
Page 12
Assembly and setupWelch Allyn Masted Scales
8
Model 5122 stand-on scale
The 5122 model scale is shipped assembled, so no assembly is required. It operates the
same as the 5002 model. Handrails are not available for this scale.
Model 6002 wheelchair scale
1. Carefully remove all parts from the shipping carton and inspect the components for
shipping damage.
2. Place the scale base on the floor or on a workbench.
3. Insert the mast into the base. Ensure that the readout display is facing the patient
when the patient stands on the scale.
4. Fasten the mast with the bolts and washers provided.
5. Tighten the bolts securely to ensure a solid connection is made.
Weighing deck mounting
1. Position the weighing deck so that the two sets of holes under the flaps are closest
to the mast.
2. Line the weighing deck up with the mounting holes in the aluminum plate.
3. Install the four flat head screws through the weighing deck.
4. Securely tighten the supplied mounting screws with the provided hex key.
Handrail mounting (purchasable option)
1. Align the mounting feet of the handrail to the underside of the weighing deck.
2. Install and securely tighten the two flat head screws and locking nut on each foot of
the handrail.
Height gauge assembly (purchasable option)
If your scale was ordered with a height gauge, follow the installation directions packed
with the height gauge.
Custom setup
You can customize the scale to best suit your needs. Configurations that can be selected
include the automatic shut-off time, weighing units, weight resolution, and more.
Enter custom setup mode
1. Make sure the scale is powered down.
2. Press and hold ST while pressing ON.
3. Once the scale powers up, press and release ST five times.
The scale displays SEt-UP and produces a series of four long beeps.
Page 13
Directions for use Assembly and setup 9
Set the options
Enter the custom setup as described.
Press ST to scroll through the custom setup options.
The options displayed with each press are as follows:
Press the setup mode select button to turn these options On or OFF.
NoteOptions indicated with an asterisk (*) require an additional
press of ST to change the value.
Option displayedFeature
SOFtThis option displays the software version of your scale.
dAtEThis option displays the release date of the software. The format is MM/DD/YY.
SCALEThis option displays the model number of the scale.
AutOFF*This displays the number of seconds before the scale turns off when operating on battery power.
The Cont value prevents the scale from turning off automatically.
AC con*This option causes the scale to remain on when plugged in to AC power.
rES
UnitS*This option allows you to change the displayed weight unit.
This option allows you to change the resolution of weight. Pressing ST switches between the
following options:
0.1 pounds / 0.05 kilograms
0.1 pounds / 0.1 kilograms
0.2 pounds / 0.1 kilograms
0.5 pounds / 0.2 kilograms
1 pound / 0.5 kilograms
NoteDo not change the scale units if you have purchased the kilogram-only option.
KILOS* This option allows the weight to display in kilograms.
POUNDS* This option allows the weight to display in pounds.
bEEPEr*This option determines the audible signal that occurs when a front panel button is pressed.
rECALL
rS-232Detailed instructions for this feature are available from Welch Allyn. Go to
OutPut*This option displays the current data port output option. Detailed instructions for this feature are
This option allows you to turn ON or OFF the RECALL button functionality.
http://
www.welchallyn.com/en/other/contact-us.html to find your local representative.
available from Welch Allyn. Go to http://www.welchallyn.com/en/other/contact-us.html to find
your local representative.
Set the value to OFF to disable the optional internal printer or the RS-232 port.
PrtUnt*
This option determines whether pounds or kilograms are displayed on a printout.
If the pounds and kilograms indicators are illuminated on the control panel, the printed output is
determined by whichever unit is selected on the control panel.
If the kilogram indicator is illuminated, it will only print in kilograms, regardless of the unit is
selected on the control panel.
Page 14
Assembly and setupWelch Allyn Masted Scales
10
If the pounds indicator is illuminated, it will only print in pounds, regardless of the unit is
selected on the control panel.
PrtOPT*
bAud*
pArity*
StPbit*
rtS.ctS*
Prtbtn*
rtEPrt*
Press RECALL to choose between the following options:
PnlPrt: The current weight is printed when PRINT is pressed on the control panel.
AutPrt: The current weight is automatically printed when a weight reading occurs.
This option allows you to set the baud rate. Values are 1200, 2400, 4800, 9600, and
19200.
This option allows you to change the parity between the following options:
Off: No parity, 8 data bits
Odd: Odd parity, 7 data bits
EuEn: Even parity, 7 data bits
This option allows you to change the stop bits between the following options:
1 bit: One stop at the end of a word
2 bits: Two stops at the end of a word
This option allows you to turn On for the printer or Off for RS232 serial transmissions.
This option allows you to turn On or Off the front panel PRINT button.
This option allows you to turn On or Off the enabling of printing from a remote location by
connecting the receive line to the ground.
PC brd*
SEt-UP
This option displays the model number of the printed circuit board. A second press of ST
displays the revision of the printed circuit board.
This option is displayed when you have cycled through all the options. Press and hold ON to
power down the scale.
Page 15
Scale operation
Power options
The scale can be used with battery power or with AC power.
Battery power
CAUTION Use only size D disposable alkaline batteries. The use of any
other battery will void the warranty.
11
Press ON to turn on the scale.
The scale automatically turns off after 45 seconds of non-use when operating on battery
power.
The LO BATT indicator illuminates when the battery power is low.
bAttrY displays when the batteries are unable to properly power the scale.
Replace the batteries when either of these messages are displayed.
AC power
When plugged in, the scale continuously runs on AC power automatically.
The scale switches to battery power when AC power is not present.
Audible beeps
The following beeps occur when using the scale.
SoundMeaning
One beepAcknowledgment of a button press.
Two beepsThe scale is zeroed and ready to take a measurement.
Three beepsThe weight reading is obtained and displayed.
No print, four
short beeps
No print, four
long beeps
A print was requested, but valid weight is not displayed on the scale, or PRINT was pressed while
the printer is in use.
There is a problem with the printer. Contact your service department.
Page 16
Scale operationWelch Allyn Masted Scales
12
Four long
beeps
Four short
beeps
The battery is too weak to operate the scale.
The scale has entered setup mode.
Weighing procedure
1. Press ON to turn on the scale.
The scale sounds one beep.
2. Wait for the scale to display 0.0.
The scale sounds two beeps.
3. Place the patient on the scale and make sure that his or her weight is evenly
distributed.
The scale sounds three beeps and the patient's weight is displayed.
4. If necessary, press REWEIGH to perform another weight measurement.
5. If necessary, press RECALL to display the previously stored scale measurement.
NoteA measurement is stored in the scale until a new weight is
taken and zeroes out.
A stationary display of - - indicates a negative weight. Make sure that there is nothing on
the scale and press ZERO to set the zero.
If O-LOAd is displayed, the capacity of the scale has been exceeded.
Wheelchair weighing procedure (model 6002)
1. Make sure that the scale ramps are down.
2. Press ON to turn on the scale.
The scale sounds one beep.
3. Wait for the scale to display 0.0.
The scale sounds two beeps.
4. Place the empty wheelchair on the scale and make sure the weight is evenly
distributed.
The scale sounds three beeps and the empty wheelchair weight is displayed. Write
down and save this measurement.
5. Place the patient in the wheelchair and place both on the scale. Make sure the
weight is evenly distributed.
The scale sounds three beeps and the patient's weight is displayed.
6. Subtract the measurement obtained in Step 4 from the measurement in Step 5 to
get the patient's weight.
7. If necessary, press REWEIGH to perform another weight measurement.
8. If necessary, press RECALL to display the previously stored scale measurement.
NoteA measurement is stored in the scale until a new weight is
taken and zeroes out.
Page 17
Directions for use Scale operation 13
A stationary display of - - indicates a negative weight. Make sure that there is nothing on
the scale and press ZERO to set the zero.
If O-LOAd displays, the capacity of the scale has been exceeded.
If OFF SCALE PLEASE – displays, remove the patient from the scale. Wait for the scale
to display 0.0 and retry the measurement.
Print a weight measurement
Printers are a purchasable option for some scales. The printer will only print a valid
weight. If your printer is set up with the auto-print option, a print is automatically
generated after a measurement is taken.
1. Take a weight measurement as described.
A single beep sounds.
2. Press PRINT (DATA) SEND.
A single beep sounds and the measurement is printed.
3. To print a previously stored scale measurement, press RECALL and then press
PRINT (DATA) SEND.
The following errors can occur:
•Four short beeps indicate an invalid print request. Make sure that the weight is
properly displayed on the scale, or that a measurement is not already in the printing
process.
•Four long beeps indicate an internal problem with the printer. See the
Troubleshooting section.
Page 18
Scale operationWelch Allyn Masted Scales
14
Page 19
Storage, cleaning, and maintenance
Storage
The scale should be stored in a convenient storage facility or closet. Make sure to not
leave the scale in an area where someone could trip on it or run into it.
Cleaning
15
1. Clean the scale at least once per day, and the optional handrail after each use.
2. Use one of the following products when cleaning your scale:
70 percent isopropyl alcohol
PDI Sani-Cloths
Battery replacement
CAUTION Use only size D disposable alkaline batteries. The use of any
other battery will void the warranty.
1. Using a screwdriver, remove the two fasteners on the access door and remove the
door.
2. Install six new batteries in the battery holder. Make sure to follow the polarity
instructions.
3. Re-attach the access door.
®
Page 20
Storage, cleaning, and maintenanceWelch Allyn Masted Scales
16
Change the printer paper
The printer is a purchasable option.
1. Use a screwdriver to loosen the screw on the battery access door and remove the
printer access door.
2. Remove the spindle containing the empty printer paper roll from the printer paper
well.
3. Replace the printer paper roll in the spindle. Make sure the new printer paper is
advancing from the bottom of the roll.
4. Lift the green knob to lift the print head lever.
5. Insert the paper through the paper guide slot, and make sure it goes under and
around the black roller bar.
6. Pull the paper under the print head lever and push the green knob down to push the
print head lever down.
7. Press PAPER ADVANCE to move the paper through the printer.
Page 21
Directions for use Storage, cleaning, and maintenance 17
8. Install the printer access door, and advance the new paper through the slot on the
door.
9. Install the screw on the printer access door.
Maintenance
Routinely perform the following preventive maintenance to keep your scale in working
order.
1. Check the calibration annually or as required.
2. Inspect the scale for cracks or loose mounting hardware. Replace or repair as
necessary.
3. Visually inspect the scale enclosure for damage or loose or missing hardware.
Replace or repair as necessary.
4. If equipped, inspect the AC line cord for abrasions or other signs of wear.
5. Do not expose the scale to excessive water or moisture.
6. Do not store the scale where heavy objects can be placed on it.
7. Replace the batteries annually or as required.
8. Do not service or perform maintenance while the scale is in use with a patient.
Troubleshooting
This section presents tables of information to help you troubleshoot issues with the
scale.
To use these tables, locate the specific problem with your scale in the left column of the
table. The remainder of the row explains possible causes and suggests actions that can
resolve the issue.
IssuePossible causeSuggested action
The weight reading is not accurate There may be a mechanical obstruction on the
The weight reading takes too long
to display
The scale displays CAbLE
Make sure the platform is not
platform
The cable between the platform and the
instrument circuit board may not be connected
The cable on the mast may not be connectedConnect the cable.
The platform may be in motionWait for the platform to settle.
There may be a cable failureContact your service department.
touching a foreign object or
something restricting its
downward motion.
Connect the cable.
The scale displays O-LOAd
The reading does not change when
weight is applied to the scale
The object on the scale may be larger than the
maximum value allowed
The load cell transducer, connector, or cable may
be defective
If the weight value is within the
specified range, contact your
service department.
Contact your service department.
Page 22
Storage, cleaning, and maintenanceWelch Allyn Masted Scales
18
IssuePossible causeSuggested action
The scale buttons are not
responding
The error message E-FAIL is
displayed
The error message r-FAIL is
displayed
The printer failed to print, and
there were four short beeps
The printer failed to print, and
there were four long beeps
The printer runs but the result is
blank or is faint
The print is distortedThere may be a problem with the printer head or
The low battery light flashes during
printing
The buttons may be damagedCheck for visible signs of
The scale's memory has failedContact your service department.
The scale's memory has failed.Contact your service department.
A valid weight may not be presentMake sure the patient's weight is
There may be a problem with the printerContact your service department.
There may be a problem with the printer paperMake sure you are using thermal
the printer interface door
The battery may be lowReplace the battery.
damage.
Contact your service department.
indicated on scale before you
press PRINT.
paper in the printer.
Contact your service department.
The printed paper tears poorly or
unevenly
The tear bar may be damagedCheck for signs of damage such
as missing teeth or cracks. If
damaged, contact your service
department.
Page 23
Appendices
Specifications
ItemSpecification
Scales5002, 5122, 5702, 6002
19
Resolution (factory default)0.1 lb / 100 gm
Weighing capacityModels 5002 and 6002: 880 lb (400 kg)
Model 5702: 1000 lb (454 kg)
Model 5122: 660 lb (300 kg)
Readout
Power source
Platform dimensions5002: 18 in. x 19.5 in. x 1.5 in.
Large, bright light-emitting diode display.
Selectable weight displayed in pounds or kilograms.
Indicator light to show selected units.
Battery
•6 D alkaline batteries
Power adapter
•Medical grade UL listed external power supply
•Nominal input voltage: 100-240V AC ±10%
•Nominal input frequency: 50/60 Hz
•Nominal input current: 0.3-0.15Arms @ max load
•Nominal output voltage: U
•Nominal output current: I
5702: 24 in. x 26 in. x 2 in.
6002: 24 in. x 26 in. x 2 in.
5122: 16 in. x 14 in. x 1.5 in.
: 12V DC +5% / -5%
out
: 1000mA
out
Page 24
AppendicesWelch Allyn Masted Scales
20
Product configurations
The Welch Allyn Masted Scales are available in the following configurations:
5702-KXMobile Bariatric Stand-On Scale, kilogram only, data port
5702-XPMobile Bariatric Stand-On Scale, standard weight, printer
5702-XXMobile Bariatric Stand-On Scale, standard weight, data port
Model 6002, Wheelchair Scale
ModelDescription
6002-KPWheelchair Scale, kilogram only, printer
6002-KXWheelchair Scale, kilogram only, data port
6002-XPWheelchair Scale, standard weight, printer
6002-XXWheelchair Scale, standard weight, data port
Page 25
Directions for use Appendices 21
Approved accessories
Model 5002
Part numberDescription
845010Height gauge (in and cm)
845010MHeight gauge (metric only)
845010WWall-mounted height gauge (in and cm)
50231Printer
23709Thermal printer paper (box, 15 rolls)
845233UL/CSA power adapter with hospital-grade plug
Model 5122
Part numberDescription
845010WWall-mounted height gauge (in and cm)
341001Power adapter
Model 5702
Part numberDescription
845010BHeight gauge for 5702 (in and cm)
845010WWall-mounted height gauge (in and cm)
50231Printer
23709Thermal printer paper (box, 15 rolls)
845233UL/CSA power adapter with hospital-grade plug
Model 6002
Part numberDescription
60224Handrail
845010Height gauge (in and cm)
845010MHeight gauge (metric only)
845010WWall-mounted height gauge (in and cm)
50231Printer
Page 26
AppendicesWelch Allyn Masted Scales
22
Part numberDescription
23709Thermal printer paper (box, 15 rolls)
845233UL/CSA power adapter with hospital-grade plug
Warranty
Welch Allyn will warranty the weight scale to be free of defects in material and
workmanship and to perform in accordance with manufacturer specifications for the
period of one year from the date of retail purchase.
The warranty period shall start on the date of purchase. The date of purchase is: 1) the
invoiced ship date if the device was purchased directly from Welch Allyn, 2) the date
specified during product registration, 3) the date of purchase of the product from a
Welch Allyn authorized distributor as documented from a receipt from said distributor.
This warranty does NOT cover damages caused by misuse or abuse, including but not
limited to:
•Failure caused by unauthorized repairs or modifications
•Damage caused by shock or dropping during transportation
•Damage caused by improper use of the power supply
•Failure caused by improper operation not consistent with the instructions stated in
this Directions for use
Should this device require maintenance (or replacement at our option) under warranty,
contact your local Welch Allyn representative: http://www.welchallyn.com/en/other/
contact-us.html
Page 27
Page 28
Material No. 725556
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