SR Instruments SRScales SRV949 Service-Handbuch

Model SRV949 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 1 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

by SInstruments, Inc.

Operating and Service

Manual

Model SRV949

Portable Platform Scale

Model SRV949 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 2 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

TABLE OF CONTENTS

TABLE OF FIGURES.................................................................................................................2

PACKING CHECKLIST –MODEL SRV949............................................................................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

CALIBRATION.........................................................................................................................10

CALIBRATION CONT’D.........................................................................................................12

TROUBLESHOOTING.............................................................................................................12

WARRANTY .............................................................................................................................13

TABLE OF FIGURES

Figure 1: Assembled SRV949 ....................................................................................................4

Figure 2: Battery Compartment................................................................................................4

Figure 3: Button Display............................................................................................................8

Figure 4: Calibration Tolerance Table....................................................................................10

Figure 5: Calibration Button...................................................................................................11

Figure 6: Button Display..........................................................................................................11

Model SRV949 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 3 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

PACKING CHECKLIST –Model SRV949

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 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 4 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

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.

Figure 1: Assembled SRV949

Figure 2: Battery Compartment

Continued next page

Model SRV949 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 5 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

REPLACEMENT PARTS AND ACCESSORIES

SYSTEM DESCRIPTION AND INTENDED USE

SYSTEM DESCRIPTION

The SRV949 Portable Platform Scale is a low profile design, 2 in. height, which allows the animal

easy step access. The SRV949 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.

INTENDED USE

The SRV949 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 SRV947 Portable Platform Scale has four (4) recessed handles on the underside of the scale

for easy portability.

Part #

Description

CA9261

Display Label

FK2284T51

Replacement Foot

WARNING

DO NOT USE FOR ANIMAL TRANSPORT

DO NOT EXCEED MAXIMUM LIMIT OF 400 LBS / 182 KG

Model SRV949 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 6 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

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 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 7 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

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 120 seconds

AVERAGING

Automatic digital filter

POWER SUPPLY

Six (6) AA 1.5 volt alkaline batteries

CALIBRATION

Calibration is traceable to NIST

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.

Model SRV949 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 8 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

BUTTON FUNCTIONS

ZERO/WEIGH

The “ZERO/WEIGH” button is used to zero the system before placing a

patient 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 patient’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 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 9 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

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 patient.

After the scale has been set to zero, position the patient on the scale. Display will indicate the

patient’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 patient 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 24 X 60 Platform Scale

Operating and Service Manual

Part No.: MAN949_220429 Page 10 of 14

SInstruments, Inc., 600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com

CALIBRATION

NOTE: Ensure that nothing is in contact with the scale system during this procedure. Remove

hands from the system when noting the displayed calibration results.

CHECKING CALIBRATION

STEP 1: Select two (2) known calibrated weights, traceable to

NIST.

NOTE: The first weight should be at least 200 pounds (half of the

maximum scale capacity). The second weight should be less than

half of the first weight. DO NOT USE barbells or uncalibrated

weights.

STEP 2: Zero the scale by pressing and holding “ZERO /

WEIGH”button.

STEP 3: Place the first calibrated weight on the scale. Wait for scale

to stabilize; note scale reading. Remove weight.

STEP 4: Place second calibrated weight on scale. Wait for scale to stabilize; note scale reading.

Remove weight.

STEP 5: The scale readings for both weights should be within the Calibration Tolerance Table

plus or minus one digit of displayed resolution (Figure 4).

CALIBRATION

TOLERANCE TABLE

LOW

LIMIT

APPLIED

LOAD

HIGH

LIMIT

20.0

50.0

99.8

100.0

100.2

199.6

200.0

200.4

299.4

300.0

300.6

399.2

400.0

400.8

Figure 4: Calibration

Tolerance Table

IMPORTANT

CALIBRATION CHECK Qualified service personnel only should perform this

procedure. Load cells have no user serviceable components and should not be tampered

with for any reason. Re-calibration is generally not required, but should be verified

periodically to ensure accuracy. The recommendation for calibration check is at least

once every 12 months, or as individual maintenance policy requires.

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