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Model SR255 Daily-Weigh

 Scale 

Operating and Service Manual - S/N 3616+ 
Part No. MAN255_110921 

 

Page 20 of 22 

 
 

S

Instruments, Inc.

600 Young Street, Tonawanda, NY  14150 

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

www.srscales.com

 

email:  

sri@srinstruments.com

     Copyright 2011

 

S

Instruments, Inc. 

WARRANTY 

2 YEAR LIMITED WARRANTY 

Each

  S

 system is  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 two (2) years from the date of purchase by the original 
purchaser.  Normal wear and tear, injury by natural forces, user neglect, and purposeful 
destruction are not covered by this warranty.  Warranty service must be performed by the factory 
or an authorized repair station.  Service provided on equipment returned to the factory or 
authorized repair station includes labor to replace defective parts.  Goods returned must be shipped 
with transportation and/or broker charges prepaid.  SR Instruments, Inc.’s obligation is limited to 
replacement of parts that have been so returned and are disclosed to SR Instruments, Inc.’s 
satisfaction to be defective.  The provisions of this warranty clause are in lieu of all other 
warranties, expressed or implied, and of all other obligations or liabilities on SR Instruments, 
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 
Instruments, Inc. be liable for any subsequent or special damages.  Any misuse, improper 
installation, or tampering, shall void this warranty.  

DAMAGED SHIPMENTS 

Title passes to purchaser upon delivery to Transportation Company.  Any claims for shortage or 
damage should be filed with the delivery carrier by purchaser.  

RETURN POLICY 

All products being returned to SR Instruments, Inc. require a Return Goods Authorization number 
(RGA).  To receive an RGA, call our Technical Service Team at 716-693-5977 or toll-free in the 
USA and Canada at 800-654-6360.  

When inquiry is made, please supply model and serial numbers, purchase order, if the scale was 
bought on contract, and reason for return.  

Generally, deleted, damaged, and outdated merchandise will not be accepted for credit.  A 
minimum restocking charge of 15% will be assessed on return of current merchandise.  

All returns are to be shipped FREIGHT PREPAID to:  SR Instruments, Inc., 600 Young Street, 
Tonawanda, NY 14150. 

RESTOCKING FEE 

 

15% fee

 for any scale that has been opened and used 

 

10% fee

 for any scale returned that has been ordered incorrectly or refused delivery with 

no model change  

 

5% fee

 if an error in ordering has been made and a different model exchanged  

 

No fees

 will be charged if the scale is returned because of an error on the part of SR 

Instruments, Inc. 

 

No returns 

accepted after 60 days

.

  

Summary of Contents for Daily-Weigh SR255

Page 1: ...921 Page 1 of 22 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 2011 SInstruments Inc Operating and S...

Page 2: ...011 SInstruments Inc TABLE OF CONTENTS TABLE OF FIGURES 3 PACKING CHECKLIST SR255 ADULT 4 PACKING CHECKLIST SR255 PEDIATRIC 5 ASSEMBLY 6 REPLACEMENT PARTS AND ACCESSORIES 8 SYSTEM DESCRIPTION AND INTE...

Page 3: ...in Receptacle 7 Figure 5 T Boom Lifter Pump Connection 7 Figure 6 Transducer Connected to T Boom 7 Figure 7 Transducer Cable Connection 7 Figure 8 Transducer A Frame Connected 7 Figure 9 Velcro End o...

Page 4: ...SHOULDER BOLT for T Boom Pump Assy 1 ea WASHER for T Boom Pump Assy 1 ea 3 8 16 LOCK NUT for T Boom Pump Assy 1 ea SPREADER BAR 1 ea TRANSDUCER TUBE 1 ea 6 32 x SOCKET HEAD CAP SCREW Safety Screw Tra...

Page 5: ...1 SHOULDER BOLT for T Boom Pump Assy 1 ea WASHER for T Boom Pump Assy 1 ea 3 8 16 LOCK NUT for T Boom Pump Assy 1 ea SPREADER BAR 1 ea TRANSDUCER TUBE 1 ea 6 32 x SOCKET HEAD CAP SCREW Safety Screw T...

Page 6: ...play Unit 3 matches that on the Transducer Bar 6 STEP 3 Figure 2 Attach the Stretcher Cup 15 to the Invacare Lifter Base 1 snapping it into place and twisting the lower tab back under the Mast 12 past...

Page 7: ...t in place on Invacare Lifter Base STEP 6 Figure 5 Attach and securely tighten the rod end of the Lifter Pump 7 to the T Boom 5 using 3 8 16 x 1 in shoulder bolt washer and 3 8 16 lock nut All are shi...

Page 8: ...the Display to hold it upright STEP 11 Figure 10 The Stretcher attaches to the A Frames by inserting their hooked ends through the four holes in the Stretcher REPLACEMENT PARTS and ACCESSORIES Figure...

Page 9: ...be viewed in either pounds or kilograms with a displayed resolution of 0 1 lb or 0 1 kg INTENDED USE The SR255 Daily Weigh Scale is designed for use as a patient weighing system for non ambulatory pat...

Page 10: ...ove the batteries 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 1...

Page 11: ...AUTO ZERO One button operation AUTO POWER DOWN After 35 seconds HOLD While active freezes display data and stores it in memory LAST WEIGHT RECALL Hold button recalls last stored weight AVERAGING Auto...

Page 12: ...displayed weight and temporarily stores it away in memory Press HOLD to store the weight into memory To recall last weight reading press HOLD LB KG MODE Weight data may be viewed in either pounds or...

Page 13: ...nd displays the patient s weight as soon as the WEIGH button is pressed once Note No weight will be displayed until the button is pressed To enable this mode BEFORE zeroing the system press and hold t...

Page 14: ...KG STEP 5 When the Stretcher is securely attached pump handle until the patient is raised just enough to clear the bed and any linens etc Weigh patient and when finished lower back on to the bed by mo...

Page 15: ...EMENT STEP 1 The display will read CHANGE BATTERY when the batteries are low STEP 2 Unscrew the four 4 screws and open the Battery Compartment Cover on the front of the Display Unit STEP 3 Remove and...

Page 16: ...nalog 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 the re...

Page 17: ...STEP 3 The display will read HOLD TO CAL as the digit in the right hand corner counts down from 9 to 0 The display will then read CALIBRATION and periodically flash this on the display In the far lef...

Page 18: ...T on the stretcher and compare to display reading STEP 7 Adjust the reading using the or buttons to match the weight Display should be within 0 1 of the calibrated weight See Calibration Tolerance Tab...

Page 19: ...e seconds then re install the battery and try the WEIGH button again The display lights appear to work but does not respond to button activation Button may not have bounced back up after being pressed...

Page 20: ...c 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 Instruments Inc...

Page 21: ...and Service Manual S N 3616 Part No MAN255_110921 Page 21 of 22 SInstruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com...

Page 22: ...6 Part No MAN255_110921 Page 22 of 22 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 2011 SInstrument...

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