Health O Meter 594KL User manual

1
Model 594KL
Digital Chair Scale
User Instructions
PELSTAR, LLC 9500 West 55th St. McCook, IL 60525-7110 USA www.homscales.com
© Pelstar, LLC 2017
P/N UM594KL Rev20170816

2
Model 594KL
Thank you for your purchase of this Health o meter®Professional product. Please read this
manual carefully, and keep it for easy reference or training.
TABLE OF CONTENTS
Cautions and Warnings.............................................................................................3
Specifications for This Scale.....................................................................................4
Certifications / Connectivity / Disposal / Service........................................................5
Set Up Information / Batteries...................................................................................6
Operating Instructions...............................................................................................7
Maintenance..............................................................................................................11
Troubleshooting ........................................................................................................12
Calibration Procedure................................................................................................13
Warranty....................................................................................................................14
Note: This scale has been factory calibrated, and does not
require calibration prior to use.
Please register your scale for warranty coverage at:
http://homscales.com/product-support/technical-support/product-warranty-registration
For User Instructions updates and revisions please go to:
www.homscales.com

3
CAUTIONS AND WARNINGS
To prevent patient/caregiver injury or damage to your scale, please follow the
instructions in this user manual very carefully.
Do not exceed the weight capacity specified for this scale.
For accurate weighing, this scale must be placed on a flat, stable surface.
For accurate weighing, verify before each use the proper operation according to the
procedure described in this manual.
Do not use in the presence of flammable or explosive materials.
If the scale becomes damaged, it should not be operated until properly serviced.
Do not transport the scale with a patient or object on the scale.
Do not wheel or pull the scale down stairs, doing so may damage internal parts.
Ensure that the AC adapter and scale do not come in contact with liquids, excessive
temperature, or excessive humidity.
Patient/caregiver safety
This scale is designed for static weighing of patients only. No scale should be used for
patient transfer.
To prevent patient injury, the patient must be attended throughout the entire weighing
event. Caregivers should ensure that the patient is stable and provide support as
needed when getting onto and off of the scale.
Do not use the footrest as a step.
When operating the scale with the AC adapter:
Operate this scale exclusively with the AC adapter that is provided (ADPT30). Use of an
unspecified adapter will void the warranty, and can pose a serious safety hazard.
Prior to using this scale, inspect the AC adapter cord for cracking / fraying, or for broken
/ bent plug prongs.
Prior to using this scale, ensure that the AC adapter is plugged into an outlet with the
rated voltage appropriate for operation.
Ensure that the AC adapter outlet is wired to a circuit breaker or other protected power
source.
Unplug theAC adapter, and carefully store both the adapter and adapter cord before
moving the scale.
Operating this scale at voltages and frequencies other than specified can damage the
equipment and will void the warranty.
When operating the scale with batteries:
For accurate weighing, if the “LO BAT” indicator activates, replace the batteries or switch
to theAC adapter as soon as possible.
When replacing / inserting batteries, be sure to use all new batteries.
Pelstar, LLC assumes no responsibility for damages or injuries associated
with the assembly or use of this product.

4
SPECIFICATIONS FOR THIS SCALE
GENERAL
The Health o meter®Professional 594KL Digital Chair Scale uses highly sophisticated
microprocessor technology. This precision instrument is designed to provide accurate,
reliable and repeatable weight measurements by providing features that make the weighing
process simple, fast and convenient. Weight is displayed in kilograms or pounds. The scale
includes a seat with arm support and a footstool that can be folded up for easy entry/exit.
Also included in the scale are two large casters, caster brakes, and a handrail for easy
mobility. The unit can be operated using its AC adapter or with 6 AA batteries.
594KL SCALE SPECIFICATIONS
Capacity and
Resolution
600 lb x 0.2 lb (270 kg x 0.1 kg)
Power Requirements
Adapter 120V-240V AC, 50-60Hz-9V DC, ADPT 30
(included) or 6 AA batteries (not included)
Environmental
Operating temperatures: 10°C to 35°C (50°F to 95°F)
Storage temperatures: 0°C to 50°C (32°F to 122°)
Atmospheric Pressure: 50hPa-1060hPa
Humidity: 10%-85% RH
Physical Dimensions
Seat:
Width: 18 1/4” /464mm
Depth: 15” / 381mm
Height: 17 1/2”/ 445mm
Scale:
Width: 24 3/8” / 619mm
Depth: 32 1/2” / 826mm
Height: 36 3/4”/ 933mm
Arm Width: 20 1/2” / 521mm

5
CERTIFICATIONS / CONNECTIVITY / DISPOSAL /
SERVICE
Certification Descriptions
Pelstar, LLC has been officially certified as the manufacturer
of Health o meter®Professional medical devices. The Pelstar,
LLC quality assurance system covers the development,
production, sales and service of medical scales and
measuring systems.
This product is tested to and meets the requirements of:
1. UL60601-1 First Edition: Safety for Medical Electrical
Equipment
2. CSA C22.2 No. 601-1 M90: Medical Electrical Equipment
594KL Scale Connectivity Information
For reliable transmission of weight data, this scale is designed to connect to a computer,
monitor, or other electronic data device via various Health o meter®Professional Connectivity
Solutions. This connectivity helps minimize transcription errors when recording patient data. For
further information regarding how to connect this scale to other electronic devices, please
contact Health o meter®Professional Scales Technical Support at 800-638-3722 or visit
www.homscales.com/innovations/connectivity.
594KL Scale Disposal
This Health o meter®Professional scale must be disposed of properly as electronic waste.
Follow the national, regional or local regulations which apply to you for disposal of electronic
waste or batteries. Do not dispose of this device in the domestic waste stream.
CUSTOMER SERVICE INFORMATION
The 594KL Digital Chair Scale is shipped assembled in one carton. Carefully inspect the carton
for shipping damage before unpacking. If damage is found, contact Customer Service.
For further information or telephone support, please contact Customer Service at:
Telephone: [phone]
Email: [e-mail]

6
594KL SET UP INFORMATION / BATTERIES
Your scale is a precision instrument and should be handled accordingly. The
594KL Digital Chair Scale is shipped completely assembled, so no additional
assembly required.
Some protective plastic, cardboard and foam will need to be removed before using.
1. Remove metal bands attached to small skid.
2. Remove cardboard at the front and the back end of the chair.
3. Remove protective foam and plastic cover on the display.
Powering the Scale
1. Plug the AC adapter into the power adapter jack (the jack is located on the rear of
the display head), then plug the scale’s AC adapter into the power source.
Warning: To avoid a safety hazard, do not use an unspecified AC adapter. Only use
the Health o meter® Professional AC adapter model ADPT30 designed for this scale.
2. For battery operation, see Battery Installation below.
Battery Installation
1. If connected, unplug the AC adapter from the power source.
2. Use a Phillips head screwdriver to remove the battery cover on the side of the
display head by unscrewing the (2) battery cover screws.
3. Replace or install fresh batteries, making sure to install them in the proper direction.
Health o meter Professional recommends using an alkaline or lithium battery, rated
for 130°F (54°C) operation. Do not use Zinc-Carbon batteries.
4. Re-attach the battery cover to the display head.
Warning: If the scale will not be used for some time, remove the batteries to avoid a
safety hazard. Disposal of batteries must be performed in accordance with the
prevailing national, regional or local regulations that apply to you.
Power Adapter
Jack

7
OPERATING INSTRUCTIONS
Keypad
Function
Description
ON/OFF
Powers scale on and off.
ZERO
Zeroes the scale prior to a weighing.
HOLD/RELEASE
►
Holds the weight value of the patient on the display until the button
is pressed again to clear the value. Also moves the cursor from left
to right on the display for entering height and pretare value.
BMI
Prompts entry of height data to calculate patient’s Body Mass Index
(BMI).
RECALL
Recalls the previous weight.
TARE/PRETARE
TARE-Deducts the weight of an object on the platform.
PRETARE-Prompts entry of a weight value that will be deducted
from the weight on the platform. Also releases tare weight (returns
display to zero).
UNIT/▲
Toggles between pounds and kilograms.
Also used to increment height value and pretare value.
REWEIGH
Allows repeated weighing of the patient without getting off the
scale.
ENTER
Used to accept height value in BMI mode, and tare value in
PRETARE mode. Also releases the RECALL value and BMI value.

8
OPERATING INSTRUCTIONS (CONT)
Unit of Measure Configuration
The scale is shipped in LB mode. Press the UNIT button to toggle the weight measuring unit
between LB and KG. The display can be locked to only measure in LB or KG by following these
procedures.
KG Lock Instructions
1. Turn the scale on and wait for “0.0” to appear on the display.
2. Press the UNIT button and set the unit of measure to “0.0 KG”. Press and hold the UNIT
button for approximately 30 seconds. When the display beeps and “KG” begins to flash on
the display, release the UNIT button. The UNIT button is now disabled, and the scale is now
locked in “KG” mode.
3. To disable KG lock, press and hold the UNIT button for approximately 30 seconds until “KG”
begins to flash on the display, release the UNIT button. The UNIT button is now active and
weight measuring unit can toggle between KG and LB.
LB Lock Instructions
1. Turn the scale on and wait for “0.0” to appear on the display.
2. Press the UNIT button and set the unit of measure to “0.0 LB”. Press and hold the UNIT
button for approximately 30 seconds. When the display beeps and “LB” begins to flash on
the display, release the UNIT button. The UNIT button is now disabled, and the scale is now
locked in “LB” mode.
3. To disable LB lock, press and hold the UNIT button for approximately 30 seconds until “LB”
begins to flash on the display, release the UNIT button. The UNIT button is now active and
weight measuring unit can toggle between KG and LB.
Weighing a Patient
1. Make sure there is nothing on the seat.
2. Press the ON/OFF button to turn on the scale.
3. Wait until the “0.0” LB or “0.0” KG appears on the display.
4. Assist the patient onto the scale. The scale will begin to display the patient’s weight and will
lock on the patient’s weight when completed. Depending on the movement of the patient on
the scale, it may take several seconds for the scale to lock onto the weight.
5. The weight may be held on the display by pressing the HOLD/RELEASE button. The scale
will continue to display the patient’s weight after they step off the scale and will remain on
the display until released or the scale is powered off. To release, press the
HOLD/RELEASE button again.
Note: If Auto Off is enabled, the scale will not power off if a weight is being held on the
display.
6. After recording the weight, assist the patient off the scale.
7. Press the ON/OFF button to power the scale off.
BMI Function
Note: The scale will not calculate BMI for a patient weighing less than 24 pounds (12 kg). If a
height is not entered for the patient within 30 seconds of pressing the BMI button, the scale will
return to normal weighing mode.
1. Make sure there is nothing on the weighing platform.
2. Press the ON/OFF button to turn on the scale.
3. Wait until the “0.0” LB or “0.0” KG appears on the display.
4. Assist the patient onto the scale. The scale will begin to display the patient’s weight and will
lock on the patient’s weight when completed. Depending on the movement of the patient on
the scale, it may take several seconds for the scale to lock onto the weight.

9
OPERATING INSTRUCTIONS (CONT)
5. After obtaining the patient’s weight, and with the patient remaining on the scale, press the
BMI button.
6. The scale will prompt entry of the patient’s height. Use the keypad ▲ and ► buttons to enter
the patient’s height.
Note: When weighing in pounds, the height is displayed in inches. When weighing in
kilograms, the height is displayed in centimeters.
7. Once height is keyed in, press the ENTER button.
8. The display will show the patient’s BMI.
9. Press the ENTER button to return to the normal weighing mode.
Weight Recall
The last weight reading on the scale can be recalled by pressing the RECALL button, even after
the scale has automatically or manually powered off. To clear the display of the recalled weight,
press the ENTER button.
Tare Function
When using this scale, the weight of an object, such as a portable oxygen tank, can be
subtracted from the total weight in order to determine the weight of the patient alone. The Tare
Function automatically performs this subtraction. The scale allows a tared weight to be entered
manually by using the keypad, or automatically, as outlined in this section.
Tare
1. With all weight off the scale, press the ON/OFF button to turn on the scale.
2. Wait until the “0.0” LB or “0.0” KG appears on the display.
3. Place the object to be tared on the scale. The display will show the object’s weight.
4. Press the TARE button. The scale will zero, and the word “TARE” will appear at the bottom
center of the display, indicating that there is a tare value for the object.
5. With the object remaining on the scale, assist the patient onto the scale. The scale will
automatically deduct the weight of the object and only display the patient’s weight.
a. For an alternate method, after taring the weight of the object in step 4, remove the
object from the scale. Once the object is removed from the scale, the display will
show a negative weight, equal to the weight of the object. Place the patient and the
object on the scale together. The scale will automatically deduct the tare weight of
the object from the gross weight of the patient and object together and display the
patient’s weight.
6. The tare value will remain on the display until changed, cleared, or until the scale is powered
off.
7. To remove the Tare, press the TARE button. The word “TARE” will disappear from the
bottom of the display and the tare value will be cleared. The scale will resume normal
operation.
To Tare with a Known Weight / Pre-Tare (Limit 200 lb / 91kg)
1. Make sure that there is nothing on the scale.
2. Press the ON/OFF button to turn on the scale.
3. Wait until the “0.0” LB or “0.0” KG appears on the display.
4. Press the TARE button for 3 to 5 seconds. The word “TARE” will appear at the bottom
center of the display, prompting the user to enter the tare value.
5. Use the keypad ► and ▲ buttons to enter the weight of the object. Press the ENTER button
when finished.
6. The value entered will show as a negative value on the display.

10
OPERATING INSTRUCTIONS (CONT)
7. Place the patient and the object on the scale together. The scale will automatically deduct
the tare weight entered from the gross weight of the patient and the object.
8. The display will show the patient’s weight.
9. With no weight on the scale, the tare value will remain on the display until changed, cleared,
or until the scale is powered off.
10. To remove the Tare, press the TARE button again. The word “TARE” will disappear from the
display and the tare value will be cleared. The scale will resume normal operation.
Parent/Child Function
The Parent/Child function on Health o meter® Professional scales provides the convenience of
weighing a small child or infant while being held by a parent. Follow these simple steps to
subtract the parent’s weight from the total so only the child’s weight is displayed.
1. With all weight off the scale, press the ON/OFF button to turn the scale on.
2. Wait until “0.0” LB or “0.0” KG appears on the display.
3. Ask the parent to sit on the scale without the child. The display will show a value for the
parent’s weight.
4. Press the TARE button. The scale will zero, and the word “TARE” will appear at the bottom
center of the display, indicating that there is a tare value for the parent’s weight
5. With the parent remaining on the scale, carefully place the child in the parent’s arms. The
scale will automatically deduct the weight of the parent and only display the child’s weight.
a. For an alternate method, after taring the parent’s weight in step 4, assist the parent
off the scale. With no weight on the scale, the display will show the tare value as a
negative amount. Assist the parent back onto the scale while they are holding the
child. The scale will automatically deduct the weight of the parent and only display
the child’s weight.
6. The tare value will remain on the display until changed, cleared, or until the scale is powered
off.
7. To remove the Tare, press the TARE button. The word “TARE” will disappear from the
bottom of the display, and the tare value will be cleared from the display. The scale will
return to normal weighing mode.
Auto Off Feature
This scale includes an Auto Off function that helps conserve battery power and turns the scale
off after 2 minutes of inactivity. The scale is shipped with the Auto Off feature enabled. To
deactivate the Auto Off feature, follow the procedure below.
De-Activating Auto Off Feature
To deactivate the Auto Off feature, ensure the scale is off then press and hold down the TARE
button. While holding down the TARE button power on the scale by pressing the ON/OFF
button. “START” will briefly appear on the display followed by “AOF=0”. The Auto Off feature
has now been deactivated and the scale will remain on until manually powered off.
Re-Activating Auto Off Feature
While the scale is off, press and hold down the TARE button. While holding down the TARE
button power on the scale by pressing the ON/OFF button. “START” will briefly appear on the
display followed by “AOF=1”. The Auto Off feature has now been enabled and the scale will shut
off after 2-3 minutes of inactivity.

11
MAINTENANCE
GENERAL
This section provides instructions for maintenance, cleaning, and troubleshooting for the
594KL Digital Chair Scale. Maintenance operations other than those described in this
section should be performed by qualified service personnel.
MAINTENANCE
Before first use and after periods of non-use, check the scale for proper operation and
function. If the scale does not operate correctly, refer to qualified service personnel.
1. Check overall appearance of the scale for any obvious damage, wear and tear.
2. Inspect the AC adapter for cord cracking or fraying, or for broken or bent prongs.
CLEANING
Proper care and cleaning is essential to ensure a long life of accurate and effective
operation.
Disconnect the scale from the adapter power source, if in use.
1. Clean all external surfaces with a clean damp cloth. Mild soap and water solution
may be used. Dry with a clean soft cloth.
2. Do not immerse the chair scale or arm support in cleaning or other liquid solution.
3. Do not use Isopropyl Alcohol to clean the display surface or any plastic portions of
the scale.
4. Do not use abrasive cleaners.
Replacement Parts
Part #
Description
DISPLAY594P
DISPLAY HEAD
445/594 FEET
FEET
445/594 WHEELS
WHEELS
445SEAT
SEAT
ADPT30
POWER ADAPTER

12
TROUBLESHOOTING
Refer to the following instructions to check and correct any failure before contacting
service personnel.
Symptom
Possible Cause
Corrective Action
Scale does not power on
1. Dead Battery
2. Faulty electrical outlet
3. Bad power supply
1. Replace batteries
2. Use a different outlet
3. Replace AC adapter
Questionable weight or
the scale does not zero
1. External object interfering
with the scale
1. Remove interfering object
from the scale
2. The display did not show
“0.0” before weighing
2. Ask the patient to get off the
scale, zero the scale and begin
weighing process again
3. Scale is not placed on a
level floor.
3. Place the scale on a level
floor.
4. Scale is out of calibration
4. Check weight with known
weight value
5. Improper Tare
5. Place the item to be tared on
the scale. Press REWEIGH.
Once the weight of the item is
displayed, press TARE. Place
the patient and the tared item
back on the scale. Press
REWEIGH again
Weighing is performed but
the weighing process takes
too long and the weight
does not lock on the display
The patient is not sitting still
Ask the patient to sit still
The display shows “Over”
The load on the scale
exceeds the capacity (600 lb
/ 270 kg)
Remove the excess weight and
use the scale according to its
limits
The display shows
“Lo bAtt”
The batteries are depleted
Replace batteries according to
instructions on page 6

13
CALIBRATION PROCEDURE
This scale has been factory calibrated and does not require calibration prior to
use. If required, the scale can be calibrated. The following procedure assumes the
scale is set to LB mode. The minimum calibration weight for this scale is 300 lb. If
calibrating in KG mode, the minimum calibration weight is 130 kg.
Note: Only weights certified and traceable to national standards are to be used for
calibration procedures.
Scale Calibration
Operator Action
Display
1. Make sure the display is powered off, then press and hold the
HOLD/RELEASE button while pressing the ON/OFF button. (Two
alphanumeric characters will appear next to U followed by 4-5
characters.)
U“XX” followed by a 4-5
digit ‘idle scale count’
number.
2. Press the ENTER button.
“CAL”.
3. Make sure there is nothing on the scale, then press the ENTER
button.
“Clear” followed by
“0300.0LB”
4. Use the ► and ▲ buttons to set the calibration weight to a
value other than the default weight. The calibration weight should
be as high as possible, with 300 lb as a minimum calibration
weight.
Shows “0300.0LB” or
entered calibration weight.
5. Press the ENTER button.
Displays “Load” followed by
“0300.0LB” or entered
calibration weight
6. Load the scale with the required weight.
Display increments showing
raw weight data.
7. Without touching or shaking the scale, allow the display to
stabilize, then press the ENTER button.
“SUCC” or “Err1”.
8. If the calibration is successful, the display will show SUCC and
power off. If the calibration is not successful, the display will show
Err1 and power off. Contact customer service for an Err1 display
([phone]).
-------

14
WARRANTY
Limited Warranty
What does the Warranty Cover?
This Health o meter®Professional scale is warranted from date of purchase against defects of materials or in
workmanship for a period of two (2) years. If product fails to function properly, return the product, freight prepaid and
properly packed to Pelstar, LLC (see “To Get Warranty Service”, below, for instructions). If the manufacturer
determines that a defect of material or in workmanship exists, the customer’s sole remedy will be replacement of the
scale at no charge. Replacement will be made with a new or remanufactured product or component. If the product is
no longer available, replacement may be made with a similar product of equal or greater value. All replaced parts are
covered only for the original warranty period.
Who is Covered?
The original purchaser of the product must have proof of purchase to receive warranty service. Please save your
invoice or receipt. Pelstar dealers or retail stores selling Pelstar products do not have the right to alter, or modify or in
any way change the terms and conditions of this warranty.
What is Excluded?
Your warranty does not cover normal wear of parts or damage resulting from any of the following: negligent
use or misuse of the product, use on improper voltage or current, use contrary to the operating instructions, abuse
including tampering, damage in transit, or unauthorized repair or alternations. Further, the warranty does not cover
natural disasters, such as fire, flood, hurricanes and tornadoes. This warranty gives you specific legal rights, and you
may also have other rights that vary from country to country, state to state, province to province or jurisdiction to
jurisdiction.
To get Warranty Service make sure you keep your sales receipt or document showing proof of purchase. Call
([phone] or ([phone] to receive a return authorization (RA) number, which must be included on
the return label. Attach your proof of purchase to your defective product along with your name, address, daytime
telephone number and description of the problem. Carefully package the product and send with shipping and
insurance prepaid to:
Pelstar, LLC
Attention R/A#_____________
Return Department
9500 W. 55th St.
McCook, IL 60525
PELSTAR, LLC
9500 W. 55th St. • McCook, IL 60525 • USA
1-800-638-3722 or 1-708-377-0600
PLEASE REGISTER YOUR SCALE FOR WARRANTY COVERAGE AT: www.homscales.com
Health o meter®is a registered trademark of Sunbeam Products, Inc. used under license.
Health o meter®Professional products are manufactured, designed, and owned by Pelstar, LLC.
We reserve the right to improve, enhance, or modify Health o meter®Professional product features or specifications
without notice. © Pelstar, LLC 2017
P/N UM594KL Rev20170816