SR Instruments SR725 Operating And Service Manual Download

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Model SR725 Series Wheelchair Scale System
Operating and Service Manual - S/N 4068+
Part No. MAN725_100928

Page 1 of 16

Instruments, Inc.

600 Young Street, Tonawanda, NY 14150

Tel: 716-693-5977 Fax: 716-693-5854 URL:

www.srscales.com

email:

2010

Instruments, Inc.

Instruments, Inc.

Operating and Service

Manual

Serial Numbers: 4068+

Model

SR725 / SR725L

Wheelchair Scale System

Summary of Contents for SR725

Page 1: ...0928 Page 1 of 16 SInstruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2010 SInstruments Inc by S Instrumen...

Page 2: ...ESCRIPTION AND INTENDED USE 6 MAINTENANCE AND CLEANING 7 STORAGE AND TRANSPORTATION 7 SPECIFICATIONS 8 BUTTON FUNCTIONS 9 BASIC SYSTEM OPERATION 9 BATTERY REPLACEMENT 10 THEORY OF OPERATION 11 CALIBRA...

Page 3: ...Wheelchair Scale System PACKING CHECKLIST SR725L Wheelchair Scale System DESCRIPTION QUANTITY BASE ASSEMBLY 32 in x 32 in 81 cm x 81 cm WITH ATTACHED MAST PIPE AND RAMP 1 ea DISPLAY UNIT 1 ea PACKAGE...

Page 4: ...ipe 2 on the floor STEP 4 Loosen the Mast Wing Nut 4 to unlock the Mast Pipe Pull the Mast Pipe out and away from the scale to free it from the internal locking pin and swing it up until the Mast Pipe...

Page 5: ...over 6 Install the six 6 D cell batteries as indicated on the plastic battery cradle Replace the cover Figure 4 STEP 9 Adjust leveling feet located in each of the four corners of the underside of the...

Page 6: ...power microprocessor circuitry allows the SR725 Wheelchair Scale System to derive its power from six 6 common D cell batteries that will provide up to 10 000 weight readings before needing replacement...

Page 7: ...ing conditions Relative Humidity 0 to 85 Ambient Temperature 14 F to 122 F 10 C to 50 C TRANSPORTATION To transport the scale fold Ramp see Figure 4 into the closed position and lock with the Ramp Loc...

Page 8: ...ated range AUTO ZERO One button operation AUTO POWER DOWN Approximately 35 seconds HOLD Stores displayed reading in memory LAST WEIGHT RECALL Press HOLD button to recall last stored displayed weight A...

Page 9: ...ould Auto Power Down before the weighing process is done HOLD The HOLD button freezes the displayed weight and stores it away in memory Press HOLD to store the weight into memory To recall last weight...

Page 10: ...and store it in memory as the last weight for recall later if needed AUTO HOLD MODE This mode is for patients unable to remain still for the weighing procedure It locks stores and displays the patient...

Page 11: ...the analog to digital converter The converter integrates the analog signal onto the integrating capacitor over a short interval The integrating capacitor is then discharged at a rate proportional to...

Page 12: ...en in the CAL mode press the ZERO button to zero the display STEP 5 Place a known calibrated weight traceable to NIST onto the weighing surface and compare it to the displayed reading Note DO NOT USE...

Page 13: ...SW5 are located internally on the PC Board Figure 10 STEP 2 Simultaneously press buttons indicated to initialize the system The display will read HOLD TO INIT and count down from 9 to 0 When the init...

Page 14: ...tery Wait five seconds then re install the battery and try the WEIGH button again The display lights appear to work but do not respond to button activation Button may not have bounced back up after be...

Page 15: ...ments Inc s part and it neither assumes nor authorizes any other person to assume for SR Instruments Inc any other liabilities in connection with the sale of said articles In no event shall SR Instrum...

Page 16: ...S N 4068 Part No MAN725_100928 Page 16 of 16 SInstruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2010 SIns...