SR Instruments SR Scales SRV415 Service manual

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 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 S Instruments, Inc.

Operating and Service

Manual

Model SRV415

Multi-Purpose Floor Scale

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 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

PACKING CHECKLIST –MODEL SRV415...............................................................................3

ASSEMBLY.......................................................................................................................................3

SYSTEM DESCRIPTION AND INTENDED USE.......................................................................4

STORAGE AND TRANSPORTATION ........................................................................................4

CLEANING AND DISINFECTING...............................................................................................5

SPECIFICATIONS...........................................................................................................................6

BUTTON FUNCTIONS...................................................................................................................7

BASIC SYSTEM OPERATION......................................................................................................8

BATTERY REPLACEMENT.........................................................................................................8

CALIBRATION................................................................................................................................9

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

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

TABLE OF FIGURES

Figure 1: SRV415 Battery Installation ..........................................................................................3

Figure 2: SRV415 Button Label .....................................................................................................7

Figure 3: Calibration Button ..........................................................................................................9

Figure 4: Select and Toggle Calibration Buttons..........................................................................9

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 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 SRV415

Multi-Purpose Floor Scale

ASSEMBLY

STEP 1: Unpack the scale system and check parts against the PACKING CHECKLIST. If

there are any missing or damaged parts, call the Service Hotline at: 1-800-654-6360.

STEP 2: Unlatch tab on the battery compartment cover on bottom of scale (Figure 1). Insert

batteries according to instructions on the battery compartment holder. Replace battery

compartment cover.

STEP 3: Place the SRV415 scale system on a flat, hard table top or floor surface. Ensure all four

corners of scale are in contact with the table top or floor and scale does not rock.

NOTE: Scale should not be placed on carpet or uneven floor surfaces as this may interfere with

scale accuracy.



DESCRIPTION

QUANTITY

PLATFORM SCALE

1 ea.

“AA” BATTERY

6 ea.

CERTIFICATE OF CALIBRATION

1 ea.

WARRANTY CARD

1 ea.

MANUAL

1 ea.

Figure 1: SRV415 Battery Installation

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 Page 4 of 14

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

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

SYSTEM DESCRIPTION and INTENDED USE

SYSTEM DESCRIPTION:

The SRV415 Multi-Purpose Floor Scale has a low profile design, which allows for easy step

access and can be used in a fixed location or as a portable scale.

The SRV415 Multi-Purpose Floor Scale employs the latest in microprocessor and load cell

technology to provide accurate and repeatable weight data. Four (4) identically matched

transducers are strategically placed to ensure an accurate representation of weight.

Weight is displayed on a LCD screen. With a push of a button, weight data may be viewed in

either pounds or kilograms.

INTENDED USE:

The SRV415 Multi-Purpose Floor Scale is designed for table-top use or for stand-on floor use in

weighingupto a maximumof 500 pounds (227 kilograms).

STORAGE and TRANSPORTATION

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).

WARNING

DO NOT EXCEED

MAXIMUM WEIGHT LIMIT OF

500 LB / 227 KG

DO NOT USE FOR ANIMAL TRANSPORT

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 Page 5 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

To clean the display / user interface and other scale contact areas:

Use a soft cloth dampened with water and mild detergent to clean scale surfaces

Wipe surface with clean soft cloth dampened with water and then dry with clean soft cloth

Do not use abrasive materials to clean scale surface to prevent damage to the surface finish

Do not spray liquid directly onto scale surfaces. Use only a damp cloth

DISINFECTION

To disinfect the display / user interface and other scale contact areas:

Use a soft cloth dampened with disinfectant or a damp disposable disinfectant cloth. Cloth

cannot be dripping wet. 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

After disinfecting, use a soft cloth dampened with clean water and dry with a soft clean

cloth to prevent buildup of material on scale finish

Do not use abrasive material to disinfect / clean scale surfaces to prevent damage to the

surface finish

Do not spray liquid directly onto scale surfaces. Use only a damp cloth

WARNING: DO NOT SPRAY CLEANING SOLUTION OR LIQUIDS DIRECTLY

ON SURFACES TO BE CLEANED

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 SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 Page 6 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

500 lb (227 kg)

DIMENSIONS

26.4 in x 18.3 in x 1.6 in (67 cm x 47 cm x 4 cm)

DISPLAY TYPE

1.0” LCD Display

DISPLAY RESOLUTION

+/- 0.1 lb (0.1 kg)

ACCURACY

0.2% +/- 1 digit of displayed resolution for calibrated range

AUTO ZERO

One button operation

AUTO POWER DOWN

Approximately 60 seconds (1 minute)

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% to 85%

Avoid exposure to high-pressure water or steam

TRANSPORATION AND

STORAGE

Storage conditions should not vary outside the following

conditions:

Ambient Temperature: 14F to 122F (-10C to +50C)

Relative Humidity 0% to 85%

Remove batteries if storing longer than three (3) months

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 Page 7 of 14

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

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

BUTTON FUNCTIONS

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.

ZERO/WEIGH

The “Zero/Weigh” button is used to zero the system before using the scale system. Ensure that

nothing is in contact with the weighing surface during this procedure. The display will read “0.0

Lb” (or 0.0 kg).

The “Zero/Weigh”button also wakes up the display and shows the weight if it should Auto

Power Down before the weighing process is done.

Figure 2: SRV415 Button Label

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 Page 8 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 0.0 kg). It is recommended that the system be zeroed prior to each

use.

The display will indicate weight in either pounds or kilograms. 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 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. The last stored weight will be displayed until the scale shuts down or the “Zero/Weigh”

button is pressed.

DISPLAY INDICATORS

Scale is zeroed and stabilized

Applied weight load has stabilized

BATTERY REPLACEMENT

The display will read “LobAt” when batteries are low and need to be changed.

STEP 1: Turn the scale over and locate the battery cover (Figure 1). Press the latch in and remove

the battery cover.

STEP 2: Remove and replace all six (6) 1.5 volt “AA” batteries.

STEP 3: Press the “Zero/Weigh” button to confirm display is working.

STEP 4: Place battery cover back on and secure latch in place.

STEP 5: Zero the system.

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 Page 9 of 14

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

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

CALIBRATION

INITIAL SYSTEM SETUP

When initially set up, calibration is factory set and re-calibration is not needed. The Local

Gravitational Acceleration may have to be re-set for the current geographical location for

improved accuracy. Automatic Shut Off is shipped with a factory default of 60 seconds. If a longer

period of time (up to 900 seconds) is desired, then it will need to be re-set. Both procedures are

found next.

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.

SELECT

BUTTON

TOGGLE

BUTTON

Figure 4: Select and Toggle Calibration Buttons

REMOVE BOTTOM

COVER AND PRESS

CALIBRATION BUTTON

Figure 3: Calibration Button

CAUTION

The integrated circuits and semiconductors on

the printed circuit boards may be damaged by

electrostatic discharge (ESD). Be sure to use

proper handling precautions at all times.

Model SRV415 Multi-Purpose Floor Scale

Service Manual

Part No. MAN415_200714 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: (Cont’d)

ACCESS SYSTEM SETUP

To access all settings below, remove the feet, spacers and the seven screws holding on the bottom cover.

Press the calibration button (Figure 3) and CAL mode is now active.

The Right Button allows you to toggle through the menus without saving any parameters. The Left

Button permits amenu item to be selected or a parameter saved (Figure 4).

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.

CAL MENU

“data” Displays saved calibration and model information.

“unit” Set the available units; lb only, kg only, or selection of lb or kg with mode button.

“sec” Set Auto Power Down Timer between 15 and 900 seconds.

“grav” Set Gravitational Acceleration in m/s2.

“Full” Applied calibrated mass at full scale.

“Half” Used only with three point calibration curve. Applies calibrated mass at a second

point between zero and full scale, usually at half.

“zero” No calibrated weight applied.

“2 pt” Two-point calibration curve, zero and full scale.

“3 pt” Three-point calibration curve; zero, half and full scale.

“save” Saves the calibration data.

“quit” Quits without saving the calibration data.

Enter CAL Mode

To enter the CAL mode, press the calibration button (Figure 3). Toggle through the menu

with Right Button (Figure 4). Select or Save data with the Left Button (Figure 4).

Auto Power Down Timer (Optional)

a) Select the Auto Power Down Timer from the CAL menu by pressing the Left Button

when the display shows “sec”.

b) The display will show four digits <0123>.

c) Set the desired time in seconds by selecting the first digit and toggle through the digits

using the Right Button until desired value is shown. Press the Left Button and continue

the same with the remaining digits. The value cannot be less than 15 or greater than

900.

d) Press the Left Button to save or Right Button to toggle to "quit". Select "quit" by

pressing the Left Button to quit without saving changes.

e) Press the Left Button again to save and the display will show “SAV’d”.

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