SR Instruments SR Scales SR7020i Service manual

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 1 of 16

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

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

by SInstruments, Inc.

Wall Mount Platform Scale

Operating and Service

Manual

Model SR7020i

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 2 of 16

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.................................................................................................................3

INSTALLATION..............................................................................................................................3

REPLACEMENT PARTS AND ACCESSORIES ........................................................................6

SYSTEM DESCRIPTION AND INTENDED USE.......................................................................6

MICROBAN ANTIMICROBIAL PROTECTION.......................................................................6

MAINTENANCE AND CLEANING............................ERROR! BOOKMARK NOT DEFINED.

STORAGE.........................................................................................................................................7

SPECIFICATIONS...........................................................................................................................8

BUTTON FUNCTIONS...................................................................................................................9

BASIC SYSTEM OPERATION....................................................................................................10

THEORY OF OPERATION .........................................................................................................11

CALIBRATION..............................................................................................................................12

TROUBLESHOOTING.................................................................................................................14

WARRANTY...................................................................................................................................15

TABLE OF FIGURES

Figure 1: Wall Bracket...................................................................................................................4

Figure 2: Wall Bracket Installation...............................................................................................4

Figure 3: Power Cord Plug In........................................................................................................5

Figure 4: Button Display................................................................................................................9

Figure 5: Calibration Table .........................................................................................................12

Figure 6: Calibration Switch Diagram .......................................................................................12

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 3 of 16

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

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

PACKING CHECKLIST

SR7020iWall Mount Platform Scale

INSTALLATION

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

missing or damaged parts, please call the service hotline at 1-800-654-6360.

STEP 2: Determine the best location for the scale by considering these recommendations:

Have free wall / hallway space to roll equipment onto the scale from either side.

Platform extends 42” into the hallway when folded down. Hallway must be wide enough to allow

suitable access and egress for personnel using the hallway.

A 120v AC power outlet must be within 72” of the power supply on the scale.



DESCRIPTION

QUANTITY

PLATFORM SCALE

1 ea

MOUNTING BRACKET AND HARDWARE PACKET

1 ea

6 FOOT POWER SUPPLY CORD

1 ea

CALIBRATION CERTIFICATE

1 ea

WARRANTY CARD

1 ea

MANUAL

1 ea

Continued next page

IMPORTANT

SCALE MUST BE INSTALLED BY

QUALIFIED PERSONNEL

WARNING

DEVICE MUST BE INSTALLED IN

A LOCATION THAT ALLOWS FOR

MEANS OF EGRESS ACCORDING

TO LOCAL, STATE AND

NATIONAL STANDARDS

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 4 of 16

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

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

38-3/4” from

floor

Outer Mounting

Holes are 16”

on Center

Inner Mounting

Holes

INSTALLATION (CON’T)

STEP 3: To mount the SR7020iWall Mount Platform Scale use the Wall Bracket (Figure 1) supplied with

the scale.

STEP 4: When the desired location is determined, use a tape measure and measure up from the floor 38 ¾”

and make a mark. This will be the location of top edge of the wall mounting bracket (Figure 2).

NOTE: The wall mounting bracket does not need to be centered on the crossbar, but must be located

between the bumpers

STEP 5: For stud walls, use a stud finder and locate any studs in the mounting area:

•For two (2) studs located within the mounting area (usually 16” on center) align the outer mounting

holes with the studs, level the wall bracket and mark all four screw locations.

•For one (1) stud located within the mounting area align the inner mounting holes with the stud,

level the wall bracket and mark all four screw locations.

•For no studs located within the mounting area, level the wall bracket and mark all four screw

locations.

For concrete walls, level the wall bracket and mark all four screw locations

Figure 1: Wall Bracket

Figure 2: Wall Bracket Installation

Continued next page

WARNING

THE WALL BRACKET MUST BE

SECURELY ANCHORED TO THE WALL

USING APPROPRIATE HARDWARE

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 5 of 16

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

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

INSTALLATION (CON’T)

STEP 6: For stud wall mounting locations without a stud, use a screwdriver to drive the provided self-

drilling wall anchors into the wall. It is not recommended to use a power drill to set the wall anchors.

For concrete wall mounting, install appropriate wall anchors at all marked screw locations.

STEP 7: Mount the bracket to the wall by either using the provided #8 x 1” Phillips flat head screws into

the self-drilling wall anchors or using the customer supplied appropriate flat head screws long enough to

anchor into the wall or the concrete anchors.

NOTE: The screws need to be a flat head type screw so there is adequate clearance for the scale frame to

slide into the wall bracket.

STEP 8: After the bracket is securely fastened to the wall, have two people lift the SR7020i Series scale

and place it into the wall mounting bracket.

INSTALLATION (CON’T)

STEP 9: Carefully lower the SR7020i Series platform down into position for use and plug the provided AC

power cord into the power supply located inside the bracket at the right end of the upper support bar and

into a wall outlet (Figure 3).

Figure 3: Power Cord Plug In

IMPORTANT

THE WALL BRACKET IS INTENDED TO KEEP THE SCALE

FROM PULLING OFF OF THE WALL. ENSURE THAT THE

ENTIRE WEIGHT OF THE SCALE IS ON THE FLOOR AND

NOT ON THE WALL BRACKET.

WARNING

THE COUNTER BALANCE

ACTUATORS ASSIST THE END USER

WHEN RAISING OR LOWERING THE

PLATFORM. THE END USER NEEDS

TO CONTROL THE RAISING AND

LOWERING OF THE PLATFORM.

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 6 of 16

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 SR7020iWall Mount Platform Scale system 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 the patient’s weight.

The SR7020ilow power microprocessor circuitry is powered by a Medical Grade AC power supply.

The patient’s weight is displayed on a 16-character dot matrix LCD w/LED backlight. The weight data may

be viewed either in pounds or kilograms with a displayed resolution of 0.1 for each.

The SR7020iWall Mount Platform Scale system has a 38” x 58” (96.5 cm x 147.3 cm) platform weighing

surface.

The scale system has a programmable Automatic Power Down (APD) for adjusting scale on-time.

INTENDED USE

The SR7020iWall Mount Platform Scale system is

specifically designed for weighing ambulatory and non-

ambulatory stretcher and wheelchair bound patients and is a

preferred means of gathering patient weight data of up to

1000 pounds or 454 kilograms.

Platform should be stored in the upright position when not in

use to prevent a trip and fall hazard.

MICROBAN ANTIMICROBIAL PROTECTION

Microban® antimicrobial technology has been added to help reduce the growth of bacteria as part of a

medical center's approach to creating a cleaner healthcare environment. For more information, visit

https://www.microban.com/sr-scales

Part #

Description

FRTP211C1

Paper, thermal printer 58mm (15 rolls)

FRME20A0903F01

Medical Grade AC Power Supply

FRPCORD3

3 Foot Ultra Low Profile Angled Power Cord

FRPCORD6

6 Foot Ultra Low Profile Angled Power Cord

WARNING

DO NOT EXCEED

MAXIMUM WEIGHT LIMIT OF

1000 LB / 454 KG

WARNING

DEVICE COULD BE A TRIP AND

FALL HAZARD IF PLATFORM IS

LEFT IN THE DOWN POSITION

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 7 of 16

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.

STORAGE

Platform should be stored in the upright position when not in use to prevent a trip and fall hazard.

If storing this equipment for periods longer than three (3) months store in the upright position to prevent

damage to the hydraulic cylinders. To maintain proper operation of this instrumentation, 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).

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 8 of 16

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

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

SPECIFICATIONS

MAXIMUM WEIGHT CAPACITY

1000 lb or 454 kg

PLATFORM SIZE

38 in x 58 in (96.5 cm x 147.3 cm)

DISPLAY TYPE

16-Character Dot-Matrix LCD

DISPLAY RESOLUTION

0.1 lb / 0.1 kg

ACCURACY

0.1% +/- 1 digit of displayed resolution for calibrated range

AUTO ZERO

Auto Zero when platform is first put down. One button

operation after platform is left down.

AUTO POWER DOWN

Adjustable between 30 to 300 seconds

AVERAGING

Automatic digital filter

POWER SUPPLY

Medical Grade AC Power Supply,

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.

TRANSPORTATION and

STORAGE

Platform should be stored in the upright position when not in

use to prevent a trip and fall hazard.

Storage and transportation 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).

Store in the upright position if storing longer than three (3)

months.

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 9 of 16

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

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

BUTTON FUNCTIONS

WEIGH Press and hold to zero scale. Button is used to zero the system before placing the patient on the

scale. Ensure that nothing is in contact with the weighing surface during this procedure.

SEND (PRINTER)

Press to send stored values to printer. Output values include time, date, and weight. If BMI was

calculated, BMI and height will be included in the output values. Also, low paper is an output

value.

RECALLPress to recall the last stored weight. The stored weight will be erased when the scale is zero or

another stable weight is stored.

BMI

Press to calculate BMI. When the “BMI” is pressed, the default value “HT = 65 in” or “HT =

165 cm” is displayed. If there is no stored stable weight, the display will indicate “NO

WEIGHT DATA” and then go back to the weigh screen “WT = 0.0 Lb”.

MENU Press Menu to toggle through the menu options.

Setting the UNITS: Use UP or DOWN arrow buttons to select “Lb/ in” or “Kg/ cm”. Press

ENTER to save changes.

Setting ON TIME: Use UP or DOWN arrow buttons to adjust the “ON TIME”. The “ON

TIME” may be set from 30 to 300 seconds in 30 second increments. Press ENTER to save

changes.

Setting TIME and DATE: Use the UP arrow button to select digit. To change digit use the

DOWN arrow button. Press ENTER to save changes.

NOTE: When selected, the year position defaults to “00”

Figure 4: Button Display

Continued next page

Model SR7020iWall Mount Platform Scale

Operating and Service Manual

Part No.MAN7020I_MICROBAN_200520 Page 10 of 16

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

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

BUTTON FUNCTIONS (CON’T)

ENTER Press to save change in digits for calibration, for unit’s set-up, for time and date set-up and

saving completed calibration data.

UP / SELECT

Press UP to adjust height up from the default for BMI calculation, to increase the scale’s “on

time”, or to select a digit when setting time and date.

DOWN / CHANGE

Press DOWN to adjust the height down from the default for BMI calculation, to decrease the

scale’s “on time”, or to change the value of a selected digit when setting time and date.

BASIC SYSTEM OPERATION

SETTING SYSTEM ZERO

Scale will auto-zero when the platform is first lowered. Make sure the scale is free and clear of any

obstructions. When platform is left down, press and hold the ZERO / WEIGH button. The displayed

message will indicate “HOLD TO ZERO”and count down to zero. Release the button when

display message indicates “HANDS OFF”. Make sure that nothing is in contact with the scale while

zeroing the system. In a few seconds, the display will read “WT = 0.0 Lb”(or Kg).

WEIGHING

Position the patient on the scale. The weight stable indicator “” flashes on the display. When the

weight is stable, the weight stable indicator remains solid. The display will indicate the patient’s

weight in either pounds or kilograms; example: “WT = 123.5 Lb”. The stable weight is auto

stored in memory.

RECALLING LAST STORED WEIGHT

Press to recall last stored weight. The stored weight will be erased when the scale is zeroed or

another stable weight is stored.

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