SR Instruments SRScales SRV949-BT Service manual

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 1 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
S
by SInstruments, Inc.
Operating and Service
Manual
Model SRV949-BT
Portable Platform Scale
App Enabled Wireless

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 2 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
TABLE OF CONTENTS
TABLE OF FIGURES.................................................................................................................2
PACKING CHECKLIST –MODEL SRV949-BT .....................................................................3
ASSEMBLY.................................................................................................................................4
SYSTEM DESCRIPTION AND INTENDED USE....................................................................5
STORAGE AND TRANSPORTATION.....................................................................................5
CLEANING AND DISINFECTING ...........................................................................................6
SPECIFICATIONS......................................................................................................................7
BUTTON FUNCTIONS...............................................................................................................8
BASIC SYSTEM OPERATION..................................................................................................9
BATTERY REPLACEMENT.....................................................................................................9
PAIRING TO BLUETOOTH....................................................................................................10
SR SCALES APP.......................................................................................................................11
CALIBRATION.........................................................................................................................12
CALIBRATION CONT’D.........................................................................................................14
TROUBLESHOOTING.............................................................................................................14
WARRANTY .............................................................................................................................15
TABLE OF FIGURES
Figure 1: Assembled SRV949-BT..............................................................................................4
Figure 2: Battery Compartment................................................................................................4
Figure 3: Button Display............................................................................................................8
Figure 4: SR App......................................................................................................................10
Figure 5: Button Functions......................................................................................................11
Figure 6: Calibration Tolerance Table....................................................................................12
Figure 7: Calibration Button (Underside of Display Board)..................................................13
Figure 8: Button Display..........................................................................................................13

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 3 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
PACKING CHECKLIST –Model SRV949-BT
Portable Platform Scale

DESCRIPTION
QUANTITY
PORTABLE PLATFORM SCALE
1 ea
AA 1.5-VOLT ALKALINE BATTERIES
6 ea
CALIBRATION CERTIFICATE
1 ea
WARRANTY CARD
1 ea
MANUAL
1 ea

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 4 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
ASSEMBLY
To install included six (6) AA 1.5-volt alkaline batteries, follow steps below:
STEP 1: Unlatch tab on the Battery Compartment cover on bottom of scale (Figure 2).
STEP 2: Insert batteries according to instructions on the Battery Compartment holder.
STEP 3: Replace Battery Compartment cover.
REPLACEMENT PARTS AND ACCESSORIES
Figure 1: Assembled SRV949-BT
Figure 2: Battery Compartment
Part #
Description
CA9261
Display Label
FK2284T51
Replacement Foot
Continued next page

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 5 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
SYSTEM DESCRIPTION AND INTENDED USE
SYSTEM DESCRIPTION
The SRV949-BT Portable Platform Scale is a low profile design, which allows the animal easy
step access. The SRV949-BT Scale can be used in a fixed location or as a portable scale. The
Scale employs the latest in microprocessor and load cell technology to provide accurate and
repeatable weight data. Six (6) identically matched transducers are strategically placed to ensure
an accurate representation of the animal’s weight.
The animal’s weight is displayed on an LCD screen. With a push of a button, weight data may be
viewed in either pounds or kilograms.
The SRV949-BT Platform scale is equipped with a Bluetooth wireless module. By waking the
scale up with the “WEIGH” button the wireless feature is turned on. Then use the free SR Scales
app (Google Play store) to connect with the scale to allow for remote wireless operation.
INTENDED USE
The SRV949-BT Portable Platform Scale is a lightweight portable scale designed for use as a
weighing system for animals not exceeding 400 pounds or 182 kilograms, gross weight. Please
read the following warnings to avoid injury to the animal or attendant.
STORAGE and TRANSPORTATION
STORAGE
If storing this equipment for periods longer than three (3) months, remove the batteries. To
maintain proper operation of this instrument, storage and transport conditions should not vary
outside the following conditions: Relative Humidity 0% to 85%, Ambient Temperature 14F to
122F (-10C to +50C).
TRANSPORTATION
The SRV949-BT Portable Platform Scale has four (4) recessed handles on the underside of the
scale for easy portability.
WARNING
DO NOT USE FOR ANIMAL TRANSPORT
DO NOT EXCEED MAXIMUM LIMIT OF 400 LBS / 182 KG

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 6 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
CLEANING and DISINFECTING
CLEANING
Use water and mild detergent to clean scale surfaces.
Do not use abrasive material to disinfect / clean scale surfaces to prevent damage to the
surface finish.
To clean the display / user interface:
Wipe surface with clean soft cloth dampened with water and then dry with clean soft cloth.
Do not spray liquid directly onto interface surfaces. Use only a damp cloth.
To clean patient contact areas:
Rinse patient contact areas, keeping water away from the display / user interface. Pat dry
with a clean cloth, or allow to air dry.
DISINFECTION
Follow manufacturer’s instruction on the proper use of commercially available
disinfectants.
Disinfectant solutions with 1% sodium hypochlorite or 70% isopropyl alcohol are suitable
for display / user interface and other scale contact surfaces.
To disinfect the display / user interface:
Use a soft cloth dampened with disinfectant or a damp disposable disinfectant cloth. Cloth
cannot be dripping wet.
After disinfecting, use a soft cloth dampened with clean water and dry with a soft clean
cloth to prevent buildup of material on display.
Do not spray liquid directly onto interface surfaces. Use only a damp cloth.
To disinfect patient contact areas:
Apply disinfectant solution to patient contact areas, keeping excess moisture away from
the display / user interface.
Patient contact area should remain wet with disinfectant solution for six minutes. Pat dry
with a clean cloth, or allow to air dry.
WARNING: EXPOSURE TO EXCESSIVE LIQUID WILL DAMAGE USER
INTERFACE KEYPAD.
WARNING: DO NOT USE PRESSURIZED WATER OR STEAM. THE SCALE
SYSTEM CONTAINS ELECTRONIC COMPONENTS THAT MAY BE
ADVERSELY AFFECTED BY EXPOSURE TO SUCH AN
ENVIRONMENT.

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 7 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
SPECIFICATIONS
MAXIMUM WEIGHT CAPACITY
400 lb / 182 kg
PLATFORM SIZE
24 in x 60 in x 2 in
(61 cm x 152 cm x 5 cm)
DISPLAY TYPE
1.0”LCD display with 5 active digits
DISPLAY RESOLUTION
0.2 lb / 0.1 kg
ACCURACY
0.2% +/- 2 digits of displayed resolution for calibrated
range
AUTO ZERO
One button operation
AUTO POWER DOWN
Approximately 300 seconds
AVERAGING
Automatic digital filter
POWER SUPPLY
Six (6) AA 1.5 volt alkaline batteries
CALIBRATION
Calibration is traceable to NIST standards
OPERATING CONDITIONS
Normal operating conditions for this product:
Ambient Temperature Range: 68F to 85F (20C to
30C), Relative Humidity Range: 0%-85%. Avoid
exposure to high-pressure water or steam.
TRANSPORT and STORAGE
Storage and transport conditions should not vary
outside the following conditions: Relative Humidity
0% to 85%, Ambient Temperature 14F to122F (-10C
to +50C). Remove batteries if storing longer than
three (3) months.
BLUETOOTH REQUIREMENTS
Refer to the SR Scales App on the Google Play store
for further information.

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 8 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
BUTTON FUNCTIONS
ZERO/WEIGH
The “ZERO/WEIGH” button is used to zero the system before placing an
animal onto the scale system. Ensure that nothing is in contact with the
weighing surface during this procedure. The display will read “0.0 LB”(or
KG). The button also wakes up the display and shows the animal’s weight if it
should Auto Power Down before the weighing process is done.
HOLD/RECALL
The “HOLD/RECALL” button freezes the displayed weight and stores it away
in memory. Press “HOLD/RECALL” to store the weight into memory.
To recall last weight reading, press “HOLD/RECALL”button once scale has
shut down.
LB/KG
Weight data may be viewed in either pounds or kilograms. Pressing the
“LB/KG” button allows the operator to toggle between the two readings.
Pounds are displayed in a resolution of 0.2, kilograms are displayed in a
resolution of 0.1.
Figure 3: Button Display

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 9 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
BASIC SYSTEM OPERATION
SETTING SYSTEM ZERO
Make sure the scale is free and clear of any obstructions. Press and hold the
“ZERO/WEIGH” button to zero the system. In a few seconds, the display will
read “0.0 LB”(or KG). It is recommended that the system be zeroed prior to each
new animal.
After the scale has been set to zero, position the animal on the scale. Display will indicate the
animal’s weight in either pounds or kilograms.
In this default mode, the weighing surface remains active. If scale shuts down, press the
“ZERO/WEIGH” button once to wake display and take reading.
HOLD/RECALL
The scale display is designed to automatically lock the reading on the display,
and store the reading in memory, once the weight is stable. If scale cannot lock
in reading due to animal movement, press the “HOLD/RECALL” button to
automatically lock the display and store the reading.
To return to WEIGH mode when finished, press the “ZERO/WEIGH” button once. The display
will become active.
Once the scale has shut down, the last stored weight can be recalled by pressing the
“HOLD/RECALL” button. Last stored weight will be displayed until the scale shuts down or the
“ZERO/WEIGH” button is pressed.
BATTERY REPLACEMENT
The Portable Platform Scale contains six (6) AA alkaline 1.5-volt batteries. The low battery
indicator is displayed when the battery power is insufficient to power the scale.
Refer to Assembly Instructions (Figure 2).

Model SRV949-BT 24 X 60 Platform Scale App-Enabled
Operating and Service Manual
Part No.: MAN949-BT_220429 Page 10 of 16
SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150
Tel: [phone] Fax: [phone] URL: www.srscales.com
email: [e-mail] Copyright 2022 S Instruments, Inc.
PAIRING TO BLUETOOTH
1. Activate the scale by pressing any button. If platform is broadcasting, wifi logo ( ) in lower
left hand corner of display will be blinking (Figure 3).
2. Using a supported Android device, scan for Bluetooth devices by pressing the Bluetooth icon
in the application and then pressing “Scan for devices”.
3. Locate the scale Bluetooth module in the list of devices. The scale’s Bluetooth ID is listed on
the Calibration Form.
4. Select the appropriate device and select pair.
5. Open the SR Scales application. Press the three dots in the upper right hand corner
(Figure 4A) and select “Connect a device” (Figure 4B)
6. Select the SRV949-BT Bluetooth module from the list of devices (Figure 4C). If the device is
not listed, the display may have turned off or it may not have properly paired. Pressing the
“Scan for devices” button on the bottom of the screen may also refresh the list.
7. When the device is connected it will quickly flash “Connected to (device name)” on the bottom
of the Android device screen. Wifi logo ( ) on scale display will stop blinking.
8. Ensure that the Android Device is communicating with the scale by placing a load on the scale
and verifying the reading on the SR Scales App in the “Real Time Weight” portion of the
display.
Figure 4: SR App
A
B
Example
Device
Scan for
devices
C