Page 1
350-10 Series
Digital Wheelchair Scales
Software Version 11525
Operation Manual
Model 350-10-2
Model 350-10-7
Model 350-10-3
Model 350-10-8
PN 151640 Rev EAugust 17, 2022
Page 2
© Rice Lake Weighing Systems. All rights reserved.
Rice Lake Weighing Systems
®
is a registered trademark of
Rice Lake Weighing Systems.
All other brand or product names within this publication are trademarks or
registered trademarks of their respective companies.
All information contained within this publication is, to the best of our knowledge, complete and
accurate at the time of publication. Rice Lake Weighing Systems reserves the right to make
changes to the technology, features, specifications and design of the equipment without notice.
The most current version of this publication, software, firmware and all other product
updates can be found on our website:
www.ricelake.com
Page 3
Revision History
Technical training seminars are available through Rice Lake Weighing Systems.
Course descriptions and dates can be viewed at www.ricelake.com/training
or obtained by calling 715-234-9171 and asking for the training department.
Revision History
This section tracks and describes the current and previous manual revisions for awareness of major updates and when the
updates took place.
Revision Date Description
E
August 17 2022 Established a revision history; formatted content to match other medical manuals; software version 11525
Table i. Revision Letter History
© Rice Lake Weighing Systems ● All Rights Reserved i
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350-10 Series Digital Wheelchair Scales
Rice Lake continually offers web-based video training on a growing selection
of product-related topics at no cost. Visit www.ricelake.com/webinars
Contents
1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 FCC Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.0 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1.1 Repacking Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Setting up Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2.1 Insert Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2.2 Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.0 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Key Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Weighing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Hold/Release Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Preset Tare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.5 Toggle Tare. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.6 Using the Body Mass Index (BMI) Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.6.1 LB Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.6.2 KG Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.0 Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Push-button Keypad Print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 USB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.0 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.1 Basic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ii
Visit our website www.RiceLake.com
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Introduction
1.0 Introduction
The 350-10 Series digital wheelchair scales are user-friendly, quality scales, designed for safe weighing of handicapped and
mobility challenged individuals. Movement compensation technology ensures sound, accurate weighments. The 350-10 Series
digital wheelchair scales have roll on ramp access and come in four different configurations:
• Single ramp folding wheelchair scale, 350-10-2
• Single ramp platform wheelchair scale, 350-10-7
• Dual ramp folding wheelchair scale, 350-10-3
• Dual ramp platform wheelchair scale, 350-10-8
The wheelchair scales have a non-skid rigid platform and two rear heavy duty wheels for easy maneuverability.
The wheelchair scales are set up to use motion sensing technology, to determine actual weight of a moving patient. The weight
can be displayed in pounds or kilograms and a tare weight can be entered. Section 3.0 on page 6 explains scale operation and
how to obtain a tare weight.
The 350-10-2 and 350-10-3 digital wheelchair scales have a unique folding feature that enables easy transportation and
simplifies assembly, avoiding the need for field wiring and recalibration. All that is required is to open the packaging and unfold
the scale.
Manuals, resources and warranties are available from Rice Lake Weighing Systems website at
www.ricelake.com/health
1.1 FCC Compliance
United States
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated
in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Canada
This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio
Interference Regulations of the Canadian Department of Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables aux appareils
numériques de la Class A prescites dans le Règlement sur le brouillage radioélectrique edicté par le ministère des
Communications du Canada.
© Rice Lake Weighing Systems ● All Rights Reserved 1
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350-10 Series Digital Wheelchair Scales
DANGER
WARNING
CAUTION
IMPORTANT
WARNING
IMPORTANT
1.2 Safety
Safety Definitions:
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. Includes
hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death. Includes
hazards that are exposed when guards are removed.
Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.
Indicates information about procedures that, if not observed, could result in damage to equipment or corruption
to and loss of data.
General Safety
Do not operate or work on this equipment unless this manual has been read and all instructions are understood.
Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake
Weighing Systems dealer for replacement manuals.
Failure to heed could result in serious injury or death.
Ensure every individual who operates or works with this unit has read and understands all safety information.
Do not transport the scale while someone is on the scale.
Do not allow minors (children) or inexperienced persons to operate this scale.
Do not use in the presence of flammable materials.
Do not use this product if any of the components are loose or cracked.
Do not use near water.
Do not use the scale on slippery surfaces, such as a wet floor.
Do not use this scale when a person’s body or feet are wet, such as after taking a bath.
Do not place fingers into slots or possible pinch points.
To avoid cross contamination, the scale should be cleaned regularly.
Prior to cleaning, make sure the scale is disconnected from the power source.
People with disabilities, or who are physically frail, should always be assisted by another person when using this scale.
Do not drop the scale or subject it to violent shocks.
Do not jump on the scale.
For accurate weighing, the scale must be placed on a flat, stable surface.
Operating at voltages and frequencies other than specified could damage the equipment.
Avoid contact with excessive moisture.
Do not make alterations or modifications to the scale.
Rice Lake Weighing Systems offers optional AC adapters; utilizing an adapter not supplied by Rice Lake Weighing Systems voids
all warranties and approvals.
Weight exceeding the maximum capacity may damage the scale.
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Page 7
Assembly
IMPORTANT
CAUTION
IMPORTANT
2.0 Assembly
2.1 Unpacking
Place the unopened box in an open area that has ample room for unpacking the scale.
Using scissors or a box cutter, cut the strapping bands that secure the box together. Immediately after opening the box, visually
inspect the scale and components to ensure all parts are included and undamaged. If parts were damaged in shipment, notify
Rice Lake Weighing Systems and the shipper immediately.
Parts contained in the shipping box include:
• Scale
• Box containing six AA batteries and four feet
2.1.1 Repacking Scale
Retain the packaging for use in the event that the scale must be returned or moved. The product must be properly packed with
sufficient packing materials. Whenever possible, use the original carton and packing materials when shipping the scale back.
Damage caused by improper packaging is not covered by the warranty.
2.2 Scale Setup
Move the scale into the area where the weighing process will occur. Place the scale on a hard, level surface for the most
accurate weighments. Thin carpeting is acceptable, but not recommended.
Rice Lake Weighing Systems recommends using two people for lifting the scale and to use proper lifting
techniques to prevent injury.
Do not lift the scale out of the box by its handle as this can cause the hinges to break or affect the scale
operation.
1. With two people, lift the scale out of the box by the base.
2. Stand the scale on edge to remove the packing material.
Figure 2-1. Scale on Edge
3. Screw the four feet clockwise into the scale base as far as possible.
© Rice Lake Weighing Systems ● All Rights Reserved 3
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350-10 Series Digital Wheelchair Scales
IMPORTANT
IMPORTANT
4. Turn each foot counterclockwise three full rotations to ensure there is adequate clearance between the scale and the
floor.
5. Lower the scale base down to the floor carefully. There should be minimal clearance between the scale base and the
floor. Figure 2-2 shows a finger width slid between the scale base and the floor.
Not having clearance around the scale base creates inaccurate weighments.
Figure 2-2. Clearance Between Scale Base and Floor
6. Apply light pressure to all corners of the scale base to ensure there are no high spots or rocking of the scale base. The
scale must be level.
7. Adjust feet as needed to level the scale base.
An unleveled base produces inaccurate weight readings.
8. Turn the hinge knobs to loosen the hinges and raise the handle.
9. Tighten the hinge knobs to secure the handrail and the indicator mounted on it.
Hinge Knob
Figure 2-3. Loosen Hinges to Raise Handles
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Page 9
2.2.1 Insert Batteries
Note
Note
IMPORTANT
Note
The six AA batteries supplied with the scale provide an average of 25 hours of continuous use.
To install the batteries:
1. Turn thumbscrew counterclockwise then remove battery cover.
2. Insert batteries into the battery chamber as illustrated.
Thumb Screw
Figure 2-4. Battery Chamber
3. Put the cover in place and turn the thumbscrew clockwise to secure.
Remove the batteries prior to storing if the product is not going to be used for an extended period of time.
Assembly
If the LO BAT indicator activates, for accurate weighing, replace the batteries or connect the scale to an AC power
source as soon as possible.
2.2.2 Power Connection
An optional AC power adapter can be used when a power outlet is available.
Only use power adapters supplied by or purchased from Rice Lake Weighing Systems. The use of a power
adapter not from Rice Lake Weighing Systems voids the warranty.
AC Power
Connection
Figure 2-5. Power Connection Site
The battery annunciator on the display turns off when using an AC power connection.
The brightness of the backlight is reduced to 60% when using battery power.
© Rice Lake Weighing Systems ● All Rights Reserved 5
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350-10 Series Digital Wheelchair Scales
IMPORTANT
On/O
LB/KG
Print
Zero
Hold
Release
BMI
TARE
T
CLEAR
ENTER
3.0 Operation
This section describes the front panel and includes procedures for operation of the scale.
Figure 3-1. Front Panel Keypad
3.1 Key Descriptions
The display has 10 front panel keys. Key functions are described in the table below.
The front panel keys are very sensitive, so only a gentle press is required.
Key Name Function
On/Off Powers the scale on or off
Print
LB/KG
Zero Only functions if the current weight is stable and less than 2% of the capacity of the scale. Anything over 2% requires
Hold Release Displays most current weight value on the display and holds that value when the patient is off the scale. A second
BMI Pressing the BMI key enables access to the BMI (Body Mass Index) mode (defaults when scale is turned on). The
TARE Used to remove the weight initially of anything on the scale that shouldn’t be included in the total weight of the
CLEAR When using the BMI function, the display looks for a height entry. Pressing Clear changes this entry back to 190.0
ENTER Used to accept height in BMI mode; accepts the value of the parameter last entered and moves to the next stage
Sends data out from the RS-232 port; Allows to toggle between kilograms and pounds providing that it is enabled in
Configuration mode; Cannot toggle while in the BMI mode
a recalibration
press releases the weight value. Not active while in BMI mode
patient is gets on the scale, weight stabilizes and press the BMI key. The display then asks for the patient height to
calculate out the patient BMI.
patient on the scale
cm (default) or 5 ft, 7.5 in.Once BMI is displayed, pressing the Clear key exits BMI
Pressing and holding Enter during startup will display ID. This is the first setup on entering into configuration mode
Up Arrows Adjusts the value of the flashing digit/number
Adjusts height input (0.5 in/0.5 cm) while in BMI mode
Down Arrows Adjusts the value of the flashing digit/number
Adjusts height input (0.5 in/0.5 cm) while in BMI mode
Table 3-1. Key Functions
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Operation
Note
Note
TARE
T
Note
TARE
T
Note
TARE
T
ENTER
3.2 Weighing
Use the following steps to weigh.
1. Press to turn on the scale. 0.0 appears on the display along with the ZERO annunciator.
2. Place the patient on the scale. The patient’s weight is displayed, the LOCK annunciator is on and the indicator beeps
to indicate the end of the weighing process.
3. Press to change the display from lb to kg and vice-versa.
4. Press and hold until OFF displays to turn off the scale.
3.3 Hold/Release Function
Use the following steps to use the Hold/Release function.
1. Press to turn on the scale. 0.0 prompts along with ZERO on the display.
2. Press once the patient’s weight stabilizes. The patient’s weight and the HOLD and LOCK annunciators remain
on the display when the patient is off the scale.
3. Press again to return the scale to zero.
Pressing will not work while using Hold/Release function.
Pressing prior to the patient getting on the scale will
also hold the weight display.
3.4 Preset Tare
Use the following steps for the Preset Tare function prior to patient weighing if additional items are being used by the patient.
1. Press to turn on the scale. 0.0 appears on the display along with the ZERO annunciator.
2. Place additional item(s) on the scale.
3. Press until the display returns to 0.0 and NET annunciator appears on the display.
4. Remove additional item(s) from the scale. The weight displays with a negative symbol to the left of it.
Not removing the additional item(s) prior to patient weighing will also work.
5. Position the patient and additional item(s) on the scale. The display identifies the patient weight. The NET annunciator
is still active. The weight of the additional item(s) remains stored in memory for the duration of this weigh in.
6. To cancel the tare weight, remove patient from the scale and press until NET disappears from the display and
the display turns back to 0.0 and GROSS appears.
Tare weight is also canceled when the scale is turned off.
3.5 Toggle Tare
Use the following steps to use the Toggle Tare function when the additional item to be weighed is known.
1. Press when the scale is empty and 0.0 displays. The default values prompts while 0.0 is flashing on the display
(default is programmed to be 33.0 lb/15.0 kg).
2. Use and to adjust the value. Press to start the tare function. The NET annunciator turns on instead
of the GROSS annunciator.
© Rice Lake Weighing Systems ● All Rights Reserved 7
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350-10 Series Digital Wheelchair Scales
BMI
ENTER
CLEAR
BMI
ENTER
CLEAR
3.6 Using the Body Mass Index (BMI) Function
Use the following steps in determining the BMI.
3.6.1 LB Mode
1. Ensure that the scale is at zero.
2. Place the patient on the scale to obtain a weight. The LOCK annunciator appears on the display.
3. Press . The BMI and FT/IN annunciators appear on the display and a default height value of 5
(5 - 07.5)
is flashing.
feet - 7.5 inch
4. Use and to adjust the height value.
5. Press .
6. The BMI value and BMI annunciator are shown on the display. Press to return to the Weighing mode and the
BMI function will be turned off.
3.6.2 KG Mode
1. Ensure that the scale is at zero.
2. Place the patient on the scale to obtain a weight. The LOCK annunciator appears on the display.
3. Press . The BMI and CM annunciators appear on the display and a default height value of 170.0 cm (170.0) is
flashing.
4. Use and to adjust the height value.
5. Press .
6. The BMI value and BMI annunciator are shown on the display. Press to return to the Weighing mode and the
BMI function will be turned off.
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Page 13
Operation
3.7 Troubleshooting
Refer to the following table to check and correct any failure before contacting service personnel.
Symptom Possible Cause Corrective Action
Scale does not turn on Dead batteries Replace batteries or connect to AC power
Faulty electrical outlet Use a different electrical outlet
Bad power supply Replace adapter
Questionable weight or the scale does not
zero
The display shows a STOP message The load on the scale exceeds the
The display shows LO Bat message The battery is low Replace batteries
The display shows E and Err messages as detailed below
E06 Identifier - ADC AD too high
E07 AD too low
E10 Overload Scale has been overloaded. Remove load from scale
E4L BAT Battery low, but still usable- one bar left on indicator display
E4U Battery low and unstable - no bars left on indicator display
E11 CAL Calibration Error - recalibrate scale
Err 1 Load cell cable may be plugged into wrong
Err 2 Low saturation state (low A/D) The load cell is not connected properly; Check the cables
Err 3 High saturation state (high A/D) See Err 2
Err 6 Unstable weight; Cannot calibrate Check the load cell mechanical surroundings and ensure
Err 7 Scale isn’t moving Make sure feet are installed on the scale. Turn the feet all
SAT Damaged load cell cable Replace load cell cable
External object is interfering with the scale Remove the interfering object from the scale
Display did not show 0.0 before weighing Help the patient off the scale, zero the scale and begin the
weighing process again
Scale is not placed on a level floor Ensure scale is level and begin the weighing process again
Scale is out of calibration Check the weight with a certified calibration weight
Scale base is touching floor during a
weighment
capacity of the scale
connection port
Load cell cable may be plugged into wrong
connection port
Adjust height of feet so fingers can slide between the base
of scale and the floor all the way around the platform
Remove the excess weight and use the scale according to
manufacture specifications
Ensure cable is connected to the load cell connection port.
Note: Load cell connection point is located underneath the
curved plastic cover of the indicator. Remove four back
retaining screws, remove curved back cover to access load
cell connection point.
and mechanical connections; if the problem persists, replace
the set of load cells
nothing is contacting the load cell and that the cables are
properly welded
the way in and then back them out three full turns, then level
the scale
Ensure cable is connected to the load cell connection port.
Note: Load cell connection point is located underneath the
curved plastic cover of the indicator. Remove four back
retaining screws, remove curved back cover to access load
cell connection point.
Table 3-2. Troubleshooting Table
© Rice Lake Weighing Systems ● All Rights Reserved 9
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350-10 Series Digital Wheelchair Scales
Note
4.0 Communication
The unit comes with an RS-232 port that enables weight data to be transmitted to other equipment, such as a computer or
printer. The RS-232 cable with DB-9 connector (PN 100719) is available from Rice Lake Weighing Systems. That connection is
shown in USB Connection section on the next page.
The RS-232 parameters are:
• 9600 baud (selectable in the programming mode)
• 8 data bits
• 1 stop bit
• no parity
• no handshaking
There are three methods of communication:
• Push-button keypad print
• Standard remote protocol
• Escape protocol
4.1 Push-button Keypad Print
With a stable, in-range weight, press and hold for at least three seconds, or until the scale emits two quick beeps.
If the scale does not beep after five seconds, release as the weight was either in motion or out of range.
If displaying weight and not BMI, the scale will send out the following 21 character string:
xxxxxxxxx<SP>uu<SP>mmmmm<SP><CR><LF>
Token Description
xxxxxxxxx Weight with decimal point and “-” sign
<SP> Space
uu Unit - lb or kg
mmmmm Mode - gross or net
<CR> Carriage return
<LF> Line feed (moves cursor down to the next line)
Table 4-1. Print Format Tokens
Example:
-10 Lb net = <SP><SP><SP><SP>-10.0<SP>lb<SP><SP>Net<SP><SP><SP><CR><LF>
10 Lb gross = <SP><SP><SP><SP><SP>10.0<SP>lb<SP>Gross<SP><CR><LF>
• The scale will send out the following data while in BMI mode (displaying the BMI value):
Setting Value
Gross Weight 215 Lb
Tare Weight 0.0 Lb
Net Weight 215 Lb
Patient Height 6-01.0 ft
Patient BMI 28.4
Table 4-2. BMI Data
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Page 15
Communication
Note
Note
Note
4.2 USB Connection
The scale has the capability of connecting to a Windows® computer (PC) using a USB cable (not included) and a terminal
emulation program. A terminal emulation program allows the transfer of data between the scale and PC using a serial port.
USB Connection
RS-232 Connection
Figure 4-1. Connection Ports
®
Apple
and Macintosh® computers are unable to transfer the necessary data to the scale. Only use a PC for data transfer.
Connecting software and downloads should always be addressed by the IT department for safety reasons and can vary
depending on what type of computer platform is being used.
Consult the IT department if driver protections are preventing the use of the USB driver. Driver protections may need
to be temporarily disabled on Windows 10 or later computers to allow for the installation of the USB driver.
1. Connect the scale’s indicator to a PC using a USB-Type B to USB-Type A cable (not included).
2. Turn the indicator on.
In most cases, the PC should find the driver and automatically configure the driver when the scale is plugged into a
USB port.
3. Open a terminal emulation program, such as Advanced Serial Port Terminal, pUtty or Hercules (used in this example).
4. Connect to the serial port assigned by the PC (COM5 in example). This can be found in Device Manager. Once selected,
press Open.
Figure 4-2. Connecting to a Serial Port
5. With weight on the scale, press and hold the Print button on the indicator for three seconds. The patient’s weight is
sent to the PC.
Figure 4-3. Patient Weight Displayed
© Rice Lake Weighing Systems ● All Rights Reserved 11
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350-10 Series Digital Wheelchair Scales
IMPORTANT
5.0 Maintenance
The following section provides instructions for maintaining and cleaning the unit.
Do not immerse the scale in cleaning or other liquid solutions.
Do not use Isopropyl alcohol or other solutions to clean the indicator display surface.
5.1 Basic Maintenance
Before the first use of the scale and after periods of non-use, check the scale for proper operation and function. If the scale
does not operate correctly, contact a qualified service personnel.
Go through the following steps for basic maintenance.
• Check the overall appearance of the entire scale for any obvious signs of damage
• Inspect the condition of the AC power adapter cord for cracking, fraying or for broken or bent prongs
5.2 Cleaning
Proper care and cleaning is essential to ensure a long life of accurate and effective operation. Before beginning the cleaning
process, disconnect the scale from the AC power source.
• Clean all external surfaces with a clean, damp cloth or tissue. Mild soap and water solution may be used. Dry with a
clean soft cloth
• Do not immerse the scale into cleaning or other liquid solutions
• Do not use Isopropyl alcohol or other solutions to clean the display surface
12 Visit our website www.RiceLake.com
Page 17
6.0 Specifications
Power
120 VAC - 9 VDC - 60Hz / 230 VAC - 9 VDC - 50Hz
Battery Type
6 AA size Alkaline batteries
Battery Use
25 hours continuous use
Automatic power-off can be configured
Data Communications
RS-232 with RJ-45 jack
USB Connection
Selectable baud rate, default - 9600
8 bits
No parity
1 stop bit
No handshaking
Environmental
Operating Temperature 50°F to 95°F (10°C to 35°C)
Storage Temperature 32°F to 122°F (0°C to 50°C)
Humidity 85% relative humidity
Specifications
Capacity and Graduation
1000 lb x 0.2 lb (453 kg x 0.1 kg)
Dimensions
Platform Dimensions 48.5 in W x 29.5 in L x 3 in H
Certifications and Approvals
E113986
© Rice Lake Weighing Systems ● All Rights Reserved 13
Page 18
350-10 Series Digital Wheelchair Scales
14 Visit our website www.RiceLake.com
Page 19
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230 W. Coleman St. • Rice Lake, WI 54868 • USA
U.S. 800-472-6703 • Canada/Mexico 800-321-6703 • International 715-234-9171 • Europe +31 (0)26 472 1319
© Rice Lake Weighing Systems Specifications subject to change without notice.
www.ricelake.com
PN 151640 Rev EAugust 17, 2022
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