Doran DS8150 User manual

DS8150
Chair Scale
User Manual
MAN0301 – Rev 1 Doran Scales, Inc. www.doranscales.com

Section 1. Unpacking and Installation ...................................................... 1
Introduction ................................................................................................................... 1
Unpacking ..................................................................................................................... 1
Cautions and Warnings ................................................................................................. 1
Care & Cleaning ............................................................................................................ 1
Section 2. Battery Operation ..................................................................... 2
Section 3. Scale Operation ....................................................................... 3
Display Pushbuttons ..................................................................................................... 3
Display Annunciators .................................................................................................... 4
Weighing a Patient ........................................................................................................ 6
Zero Operation .............................................................................................................. 6
BMI Operation ............................................................................................................... 6
Reweigh Operation ....................................................................................................... 6
Section 4. Specifications ........................................................................... 7
Section 5. Troubleshooting ...................................................................... 8
General Problem Resolution ......................................................................................... 8

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Section 1. Unpacking and Installation
Introduction
Thank you for purchasing a Doran scale. This product has been designed with
the highest level of technology. We are dedicated to delivering a superior
product that will provide many years of trouble free service.
As an ISO9001 registered company, Doran Scales is dedicated to delivering
products built with strict compliance to our high quality standards. If you have
any questions regarding your scale, please contact Doran Scales, Inc.
Unpacking
Carefully remove the scale from the shipping carton. If you notice any shipping
damage, notify the shipper immediately. Be sure to retain all shipping materials
in case the scale must be shipped elsewhere.
Cautions and Warnings
Your new scale is a durable industrial grade product, but it is also a sensitive
weighing instrument. Normal care should be taken when handling and using this
product. Improper handling or abuse can damage the scale and result in costly
repairs that may not be covered by the warranty. Please observe the following
precautions to insure years of trouble free service from your new scale.
•
Do not use sharp objects to press any of the buttons.
•
Do not pick up the chair scale by the indicator or seat.
•
Do not use the scale if the scale is damaged in any way.
•
Do not leave patients unattended on the scale.
•
Do not exceed the scale capacity.
•
Do not drop the scale.
•
Do not drop objects on the scale.
•
When transporting, do not hit other objects, walls or doorframes with the
scale.
Care & Cleaning
With reasonable care, this product will last for many years. Here are some tips to
care for your scale. Failure to comply with these guidelines may void the
warranty.
•
Hand clean the chair and indicator with a moist cloth.
•
Only clean with a mild detergent.
•
Do not get water inside the indicator.
•
Do not use strong solvents or abrasive cleaners as this can damage the touch
panel or other plastic parts.
•
Do not immerse.
•
Examine the scale periodically for damage and wear and tear before use.
•
Remove batteries during long periods of non-use.

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Section 2. Battery Operation
Battery Installation
The indicator comes with a set of six AA alkaline batteries. These batteries can
perform over 85,000 weighments of typical use with the standard Automatic
Shutoff Timer settings.
The battery compartment is located on the backside of the indicator. Press
locking tab up to release battery compartment cover. Completely remove all the
batteries from the indicator and install the new set of batteries. Be sure the
batteries are oriented properly. Reinstall battery compartment cover to complete
the battery installation.
Battery Indicator
The battery indicator displays the remaining battery life available. A low battery
status is also indicated by two beeps when a weight is held (If Parameter BH is set
to on.) This indicator will not be displayed if the scale is powered by its wall
transformer.

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Section 3. Scale Operation
Fig. 3 Front Panel
Display Pushbuttons
The Model DS8150 controls consist of Units, Zero, Reweigh, ▲, ▼, and BMI
buttons. The display is used to provide weight indications and operator
messages indicating scale operation.
Power On/Off
Press the Zero button to turn on the indicator. Press and hold the Zero button for
3 seconds to turn off the indicator. The indicator has an adjustable Automatic
Shutoff Timer that will turn off the indicator when not in use.
Zero
When the Zero button is pressed, the scale will be reset to zero weight. This
feature can be used to zero out any weight not desired to be part of the patient
weight. Current BMI entry will be changed back to a default 0.0 value.
Units
Press the Units button to toggle between lb and kg weighing units. The current
unit will be displayed to the right of the weight digits. NOTE: The Units button can

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be locked or unlocked by pressing and holding Units for 5 seconds. An “L on“
message is displayed when button is locked and “L off“ when unlocked.
Reweigh
To reinitiate the weighing process, press Reweigh. This will allow a new
measurement to be taken without the patient having to leave the chair.
BMI
With the Hold weight being displayed, press the BMI button to enter the height of
the patient. Adjust the value by using the ▲ or ▼ buttons. NOTE: Select the
Height units by pressing the Units button to toggle between the height in inches or
centimeters. A menu timer will exit out of this mode if no buttons are pressed
within a 30 second time period.
Display Annunciators
The display annunciators will indicate the scale status.
Motion
When the scale senses motion, MOTION will be indicated. Once motion ceases,
a stable reading will be displayed.
Stable Hold
Indicates a stable weight has been achieved and held on the display. This
indicates an accurate weight has been achieved. Note: Weights below 4.5
pounds will not be held.
Average Hold
Indicates that the weight held on the display is a result of averaging several
weights due to excessive motion on the scale. Note: Weights below 4.5 pounds
will not be held. The Average Hold weight may be slightly less accurate than a
Stable Hold weight.
Displaying an Average Hold weight instead of a Stable Hold weight will speed the
weighment process of patients that cannot sit still. The Average Hold weight will
differ from the patient’s actual weight based upon the severity of the motion
caused by the patient while on the scale. Although this weight may be less
accurate than a Stable Hold weight, the deviation from the patient’s actual weight
will be minimal.
The time required for the Average Hold to engage is based upon the Average
Aperture parameter. See the Parameter Setup section for configuration
instructions.

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Battery Indicator
The battery indicator displays the remaining battery life available. See the battery
operation section for detailed information. NOTE: Battery Indicator will be disabled
when using an external power supply.
Software Number and Revision display
Pressing and holding the Reweigh button for 3 seconds will perform a display test,
show the Software number “Su179” and the revision “r 2.9” or higher and then
display “StESt” to indicate Switch test mode is active. The Switch test mode stops
after 10 seconds if no switch was pressed. Scale will then run a Display Segment
test. After Display Segment test, the scale will return to the normal weighing
operation.

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Weighing a Patient
1. Lock all four wheels on chair scale.
2. Turn on the indicator by pressing the Zero button.
3. The indicator will perform a startup zero.
4. The indicator will momentarily display dashes, “-----”, followed by 0.0.
5. Place the patient on the scale chair.
6. The display will scroll dashes for 3-5 seconds and then show the active
weight until the patient’s weight is captured.
7. The indicator will beep (when enabled) and then hold the weight on the
display until the scale shuts off.
Zero Operation
1. Place item to be zeroed on the chair seat.
2. Press Zero. The scale will display a zero weight. If the item is removed, the
stable negative weight will be automatically zeroed out after 3 seconds.
3. Place Patient onto the chair and the patient’s weight, less the item’s weight,
will be displayed.
4. To reset the scale weight to zero, Press Zero again with the scale chair empty.
BMI Operation
1. With Hold weight displayed, press BMI button to enter the height value. Height
entry starts at 5: 6.0 or 168.0 in representing 5 foot 6 inches or 168 centimeters.
NOTE: Height units can be changed by pressing the Units button.
2. Press the ▲ button to increase or the ▼ button to decrease the value. When
the correct value is displayed, press the BMI button to enter value and exit.
NOTE: A menu timer will exit out of this entry mode if no buttons are pressed
within a 30 second time period.
Reweigh Operation
1. With the patient on the chair, press Reweigh to reinitiate the weighing process.
2. The display will scroll dashes for about 3-5 seconds. Then active weight is
shown until the patient’s weight is captured.
3. The indicator will beep (when enabled) and hold the weight on the display until
the scale shuts off automatically.

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Section 4. Specifications
Chair Dimensions
36” L x 27” W x 44” H
Indicator Dimensions
8” L x 6.5” W x 2.3” H
Power
12VDC AC Adapter (Negative Center)
Optional: 6 AA Alkaline Batteries
Displayed Units
lb, kg
Capacity
550 x 0.2 lb or 250 x 0.1 kg
Construction
Painted Mild Steel and Plastic Housing.
Options
RS-232 Communication cable
USB Communication cable

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Section 5. Troubleshooting
General Problem Resolution
Problem
What to Do or Check
Weight reading will not repeat or
scale does not return to zero when
weight is removed.
Person or object other than that being
weighed is touching the scale.
Verify that there is nothing caught in or
interfering with the seat.
Scale overloads before scale
capacity is reached.
Verify scale calibration is correct. If
problem persists, recalibrate the scale.
Scale will not come to zero when the
Zero button is pressed.
Make sure that the scale is stabilizing
(Motion annunciator is off). After pressing
the Zero button, the scale should zero as
soon as it becomes stable.
Weight readings are not correct.
Verify the scale calibration with an
accurate test weight. If the readings are
not correct, recalibrate.
Be sure the chair is on a flat surface and
all four wheels are touching the floor.
Scale drifts off zero.
Check for air currents and/or vibration
around the scale.
Scale shuts itself off or will not turn
on.
Press the Zero button to turn on the
indicator.
Check that new batteries are installed
properly in the battery tray.
If using an AC adapter, confirm that it is
firmly plugged into a functioning wall
outlet.
Verify the connector at the rear of the
indicator is properly installed.

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Doran Scales, Inc.
883 Enterprise Court
St. Charles, IL 60174
www.doranscales.com
630-879-1200