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SR Scales SR735i Operating And Service Manual

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Model SR735i Wheelchair Scale
Operating and Service Manual
Part No. MAN735i _MICROBAN_201210
Page 1 of 20
S
by S Instruments, Inc.
SR 735i
Wheelchair Scale
Operating and Service
Manual
,
SInstruments, Inc.
600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977
Fax: 716-693-5854 URL:
www.srscales.com
Copyright 2020 SInstruments, Inc.
email:
sri@srinstruments.com

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  • Page 1 Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 1 of 20 by S Instruments, Inc. SR 735i Wheelchair Scale Operating and Service Manual SInstruments, Inc. 600 Young Street, Tonawanda, NY 14150 Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com...

  • Page 2: Table Of Contents

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 2 of 20 TABLE OF CONTENTS TABLE OF FIGURES ........................2 PACKING CHECKLIST .........................3 ASSEMBLY............................4 REPLACEMENT PARTS AND ACCESSORIES ................5 SYSTEM DESCRIPTION AND INTENDED USE ...............6 MICROBAN ANTIMICROBIAL PROTECTION ...............6 STORAGE ............................6...

  • Page 3: Packing Checklist

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 3 of 20 PACKING CHECKLIST SR735i Platform Scale  DESCRIPTION QUANTITY Box 1 WHEELCHAIR PLATFORM BASE 1 ea DISPLAY UNIT 1 ea PACKAGE OF SIX (6) “D” CELL BATTERIES...

  • Page 4: Assembly

    Verify that the serial number on the Display Unit matches that on the Wheelchair Scale Assembly. STEP 3: The SR735i Display may be wall mounted (Figure 1) using the Wall Mounting Plate. Note: See Figure 2 for locating holes for wall mount application.

  • Page 5: Replacement Parts And Accessories

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 5 of 20 ASSEMBLY (Cont’d) INSTALLING OPTIONAL PRINTER STEP 1: Mount the optional printer within distance of the display to allow connection of the printer cable. Use the three (3) holes in the Printer Mounting Bracket as a template to locate the holes needed to mount the Printer Mounting Bracket (Figure 4).

  • Page 6: System Description And Intended Use

    The SR735i low power microprocessor circuitry is powered six (6) common “D” cell batteries, which will provide up to 400 hours of weight readings before needing replacement.

  • Page 7: Cleaning And Disinfecting

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 7 of 20 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.

  • Page 8: Specifications

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 8 of 20 SPECIFICATIONS MAXIMUM WEIGHT CAPACITY 1000 lb or 454 kg PLATFORM SIZE 32 in x 40 in (81 cm x 102 cm) DISPLAY TYPE 16-character Dot Matrix LCD DISPLAY RESOLUTION 0.1 lb / 0.1 kg...

  • Page 9: Button Functions

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 9 of 20 BUTTON FUNCTIONS Figure 6: Button Display ZERO / WEIGH Press and hold to zero. The display will read “WT = 0.0 Lb”. This is used to zero the system before placing the patient on the scale system.
  • Page 10 Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 10 of 20 BUTTON FUNCTIONS (Cont’d) MENU Press Menu to edit setup. Setting the UNITS: Use UP or DOWN arrow buttons to select “Lb” or “Kg”. Press ENTER to save changes.

  • Page 11: Basic System Operation

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 11 of 20 BASIC SYSTEM OPERATION SETTING SYSTEM ZERO Make sure the scale is free and clear of any obstructions and press and hold the ZERO / WEIGH button.

  • Page 12: Battery Replacement

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 12 of 20 BASIC SYSTEM OPERATION (Con’t) RECALLING LAST STABLE WEIGHT Press to recall last stable weight. The display will scroll thru “WT”, “HT” and “BMI” stored values in approximately two second intervals;...

  • Page 13: Theory Of Operation

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 13 of 20 THEORY OF OPERATION SR Instruments patient weighing systems are digital scales. Strain-gauge force cells convert the force of an applied weight into an analog signal. This signal is amplified by an operational amplifier and converted to a digital signal by an on-chip analog to digital converter.

  • Page 14: Calibration

    (Figure 8) IMPORTANT CALIBRATION Qualified service personnel only should perform this procedure. The SR735i 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.
  • Page 15 Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 15 of 20 CALIBRATION (Cont’d) 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.

  • Page 16: Configuring Send Button

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 16 of 20 CONFIGURING SEND BUTTON STEP 1: Remove the three (3) screws on the left end cover of the display housing. Remove the cover. Put the scale system into the Calibration Mode by switching the calibration switch on the display board (Figure 9).

  • Page 17: Troubleshooting

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 17 of 20 TROUBLESHOOTING SYMPTOM REASON/CORRECTIVE ACTION Press the “WEIGH” button or remove one battery. The characters only appear on half of the Wait five seconds, then re-install the battery and try display.

  • Page 18: Warranty

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 18 of 20 WARRANTY FOUR YEAR LIMITED WARRANTY S systems are manufactured with high quality components. SR Instruments, Inc. warrants that all new equipment will be free from defects in material or workmanship, under normal use and service, for a period of four (4) years from the date of purchase by the original purchaser.

  • Page 19: Notes

    Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 19 of 20 NOTES SInstruments, Inc. 600 Young Street, Tonawanda, NY 14150 Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com Copyright 2020 SInstruments, Inc. email: sri@srinstruments.com...
  • Page 20 Model SR735i Wheelchair Scale Operating and Service Manual Part No. MAN735i _MICROBAN_201210 Page 20 of 20 Instruments, Inc. Precision & Technology in ® Perfect Balance SInstruments, Inc. 600 Young Street, Tonawanda, NY 14150 Tel: 716-693-5977 Fax: 716-693-5854 URL: www.srscales.com Copyright 2020 SInstruments, Inc.

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