Manual - SR Instruments, Inc.
Contents
1. 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 Continued next page SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN70007 _ 150908 Page 12 of 16 CALIBRATION cont d SETTING CALIBRATION 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 STEP 1 Remove the two 2 screws on the display assembly cover Remove the display assembly from the scale Put the scale system into the Calibration Mode by switching the calibration switch on the display board Figure 5 STEP 2 Select known calibrated weights traceable to NIST up to the Full Scale value maximum capacity STEP 3 Press the MENU button until 1000Lb FULL is displayed Set the FULL value to the actual quantity of calibrated weight being used for Full Scale Use the UP arrow button to select the digit and the DOWN arrow button to change digit Press ENTER to save changes Press WEIGH button to abort any changes STEP 4 Press the MENU button until 500 0Lb HALF is displayed2. to 85 Ambient Temperature 14 F to 122 F 10 C to 50 C SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 6 of 16 SPECIFICATIONS MAXIMUM WEIGHT CAPACITY 1000 lb or 454 kg PLATFORM SIZE 24 in x 40 in 61 cm x 101 6 cm DISPLAY TYPE Dual Function 16 Character Dot Matrix LCD w LED backlight DISPLAY RESOLUTION 0 1 Ib 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 AC Wall Power Supply UL recognized with an internal POWER SUPPLY a Oa six 6 D cell auxiliary battery backup REPLACE BATTERY warning displayed when batteries are low CALIBRATION Calibration is traceable to NIST standards Normal operating conditions for this product OPERATING CONDITIONS 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 Storage and transportation conditions should not vary TRANSPORTATION and outside the following conditions Relative Humidity STORAGE 0 to 85
3. ALL six 6 D cell batteries STEP 4 Press the WEIGH button to confirm that REPLACE BATTERY is not displayed STEP 5 Replace cover and tighten the two 2 cover screws STEP 6 Zero the system SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 10 of 16 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 The digital signal is filtered converted to appropriate units and displayed on the liquid crystal display Strain gauge force cells each contain four strain gauges mounted in a full Wheatstone bridge configuration These bridges convert the physical movement of the force cell due to the applied mass on the system into minute changes in electrical resistance These changes in resistance produce a voltage difference across the Wheatstone bridge which is amplified by the operational amplifier The amplifier is configured to current sum the output of each cell with potentiometers serving to normalize the sensitivity voltage out per unit of weigh
4. 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 Continued next page SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 8 of 16 BUTTON FUNCTIONS con t ENTER Press to save change in digits for calibration for unit s set up for time and date set up ENTER and saving completed calibration data UP SELECT UP 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 SELECT DOWN CHANGE pown 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 CHANGES time and date BASIC SYSTEM OPERATION SETTING SYSTEM ZERO Scale will auto zero when the platform is first lowered Make sure t
5. workmanship under normal use and service for a period of four 4 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
6. ACE VEN Toeri E EEE EEEE EEEE 9 THEORY OF OPTRA TION a E O E E 10 CALIBKA TION is cccecccecccecercccceecceces ecavccccecocccececeuccccsescececacaucecsscscececacswccectentescuccaucecssencedcuacssecsctesceseccs 11 TROUBLESHOOTING wis casstacsceucsdecverssnssisccncessnssinciececacecseseanssbeccacesseueiacdescsacesdereanssbexcacassereansaeeries 13 WARRANT o E sues desaesussadacseseasacssassaasses snaccsssssaevesessacetasvanesee caacssssscaesssessaeese 14 TABLE OF FIGURES VUES NS VY AUR a E T E A E ATE OE NT OEE E E 3 Piute 2 Button DISPlay sssecsesecscavezessracssszacantnerscastousstastessinacsscauvaxtaesuneatoumnsastessunacsnceevxtaeeasacicuentes 7 Figure 3 Replace Battery Display sessisssscsessscscececssecdesssnsessscadsctecessbessssavachvassntucessatacsvieisencvecetass 9 Fisore4s CalDratiON ssni T A E 11 Figure 5 Calibration Switch Diagram ccccssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssees 11 SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 3 of 16 PACKING CHECKLIST SR7000i Wall Mount Platform Scale PLATFORM SCALE lea MOUNTING HANGER AND HARDWARE lea PACKAGE OF SIX 6 D CELL BATTERIES lea AC POWER SUPPLY lea CALIBRATION CERTIFICATE lea WARRANTY CARD lea
7. Ambient Temperature 14 F to 122 F 10 C to 50 C Store in the upright position and remove batteries if storing longer than three 3 months SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 7 of 16 BUTTON FUNCTIONS Figure 2 Button Display on the scale Ensure that nothing is in contact with the weighing surface during this gt Press and hold to zero scale Button is used to zero the system before placing the patient 1 procedure SEND PRINTER Press to send stored values to printer Output values include time date and weight If 7m BMI was calculated BMI and height will be included in the output values Also low E seno paper and low batteries are output values RECALL Press to recall the last stored weight The stored weight will be erased when the scale is D zero or another stable weight is stored RECALL Press to calculate BMI When the BMP 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 gj MENU Press Menu to toggle through the menu options Setting the UNITS Use UP or DOWN arrow buttons
8. 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 e 15 fee for any scale that has been opened and used e 10 fee for any scale returned that has been ordered incorrectly or refused delivery with no model change e 5 fee if an error in ordering has been made and a different model exchanged e No fees will be charged if the scale is returned because of an error on the part of SR Instruments Inc e No returns accepted after 60 days SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 15 of 16 NOTES SR 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 2015 SR Instr
9. MANUAL lea Figure 1 Wall Hanger ASSEMBLY 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 To mount the SR7000i Wall Mount Platform Scale use the Wall Hanger Figure 1 supplied with the scale NOTE The Wall Hanger should be installed by qualified personnel STEP 3 Mount the Wall Hanger by placing the SR7000i scale in an upright position against the wall at the location for installation Place the SR7000i wall frame 3 x 1 cross member into the channel of the Wall Hanger NOTE The Wall Hanger is not intended to support the load of the scale The scale frame must be supported by the floor Ensure the hanger holes are located at the top as shown in Figure 1 Continued next page SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 4 of 16 ASSEMBLY cont d STEP 4 Position the Wall Hanger so that the wall frame cross member is centered in the Wall Hanger and the Wall Hanger is pressed against the bottom of the cross member STEP 5 Using the Wall Hanger as a template mark the location of the four 4 Wall Hanger holes on the wall STEP 6 Remove the W
10. Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 1 of 16 SR Scales by SR Instruments Inc Model SR 70001 Wall Mount Platform Scale Operating and Service Manual SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN70007 _ 150908 Page 2 of 16 TABLE OF CONTENTS TABLE OFTIGURES iiases corssnss senaecesvenssraseencucesvenssnsacensacessemesntancncncessensincauoxaucesswseaniatensacesseieaneaexcaces 2 IRN GE Wr ses ccevectascas scaudcsaceacsscacsanecsacetassanssan cnaceucsatausssedsacetastanessedtsacencsedsesescesecsiets 3 PRIMED DY saececiede sete ccacateccescausessncesdadedcsssecsacateddessavseesacesdsdedescsedencetaddeassecessaceiddedesssedencesacdeassecessasetnces 3 REPLACEMENT PARTS AND ACCESSORIES eeeesesseceeececccccccccccecccccccccccccececececccccccecececececeeee 4 SYSTEM DESCRIPTION AND INTENDED US Bisssssssssssssecscscsecsscsessscatsccecesesesdscasecsecsecseddscasecteds 5 MAINTENANCE AND COMA Gs Gres de vas eaeiac wae aa elses si wanes o r Tianan earn nen vien an o ETE 5 STORA E esaea EEA AAEE AEEA AAEE EEA EEE E 5 SPECIFIK ATIONS ciis aa E EEEa SE EDE NEARER NARTA rrr 6 BOLLONFOUNC TION iere E 7 BASICSYSTEM OPERA TTON rrr E E E E OE OOO 8 DATTER REPL
11. NOTE The Half Scale value is a value between zero and the Full Scale values It is usually close to half the Full Scale value Set the HALF value to the actual quantity of calibrated weight being used for Half Scale Use the UP arrow button to select the digit and the DOWN arrow button to change the digit Press ENTER to save changes Press WEIGH to abort the changes STEP 5 Press MENU button until 3 PT CAL is displayed Press the UP arrow button STEP 6 Zero the scale by removing all weight from the platform Press the UP arrow button to ADD HALF STEP 7 Place the calibrated weight on platform for HALF Scale Allow weight to stabilize Press UP arrow button to save change STEP 8 Place the calibrated weight on platform for FULL Scale Allow weight to stabilize Press UP arrow to save change STEP 9 Press ENTER button to save the calibration or WEIGH button to exit without saving STEP 10 Switch the scale system out of the Calibration Mode on the display board Figure 5 NOTE Ensure that no wires have become unplugged during calibration STEP 11 Place the display assembly into the scale frame Attach using the two 2 display cover Screws SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platfo
12. a displayed resolution of 0 1 for each The SR70007 Wall Mount Platform Scale system has a 24 x 40 61 cm x 101 6 cm platform weighing surface The scale system has a programmable Automatic Power Down APD for adjusting scale on time INTENDED USE WARNING The SR7000 Wall Mount Platform Scale system is specifically designed for weighing ambulatory and non DO NOT EXCEED ambulatory wheelchair bound patients and is a MAXIMUM WEIGHT LIMIT OF preferred means of gathering patient weight data of up 1000 LB 454 KG to 1000 pounds or 454 kilograms Scale is not intended to be run solely on batteries MAINTENANCE and CLEANING SR7000 Wall Mount Platform Scale system is made of powder coated aluminum Exercise caution when cleaning the display window as it is made of clear polyester and can be scratched by abrasive cleaners Mild soap and water is recommended for general cleaning and disinfecting WARNING DO NOT use pressurized water or steam The scale system contains microprocessor circuitry and strain gauge sensors that may be adversely affected by exposure to such an environment STORAGE STORAGE If storing this equipment for periods longer than three 3 months remove the batteries and 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
13. all Hanger and drill four 4 pilot holes no larger than 1 4 diameter in the locations marked Install the four 4 Self Drilling Screw Anchors STEP 7 Position the Wall Hanger on the wall frame cross member Screw the Wall Hanger to the screw anchors using the four 4 Phillips 8 x 1 Flat Head screws supplied STEP 8 Remove the battery insulator strip REPLACEMENT PARTS and ACCESSORIES FRTP211Cl1 Paper thermal printer 58mm 15 rolls FRMW 173K AC Power Supply SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 5 of 16 SYSTEM DESCRIPTION and INTENDED USE SYSTEM DESCRIPTION The SR7000i Wall 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 SR70007 low power microprocessor circuitry is powered by an UL recognized AC wall power supply Six 6 alkaline D cell auxiliary batteries provide scale system backup power 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
14. he scale is free and clear i of any obstructions When platform is left down press and hold the ZERO WEIGH iy 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 4 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 gt Press to recall last stored weight The stored weight will be erased when the scale is zero or another stable weight is stored RECALL SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 9 of 16 BATTERY REPLACEMENT Figure 3 Replace Battery Display STEP 1 The display will read REPLACE BATTERY Figure 3 STEP 2 Unscrew the two 2 battery cover screws and remove the battery compartment cover STEP 3 Remove and replace
15. rm Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 13 of 16 TROUBLESHOOTING SYMPTOM REASON CORRECTIVE ACTION Press the WEIGH button or disconnect power and remove one battery Wait five seconds then re connect the power and try the WEIGH button again The characters only appear on half of the display The display lights appear to work but do Check to ensure the membrane switch label is correctly not respond to button activation plugged into display board Check to ensure the calibration switch is not in the Calibration Mode Figure 5 The display shows no reading at all Check that wall power supply is plugged in Check to ensure batteries are installed correctly see directions for BATTERY REPLACEMENT Check display cable to make sure it is connected securely For additional information or assistance telephone our Service Hotline 1 800 654 6360 or e mail sri srinstruments com SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN70007 _ 150908 Page 14 of 16 WARRANTY FOUR YEAR LIMITED WARRANTY SR Instruments inc systems are manufactured with high quality components SR Instruments Inc warrants that all new equipment will be free from defects in material or
16. sure that nothing is in contact with the scale system during this procedure Remove hands from the system when noting the displayed calibration results fee Pca HIGH LIMIT LOAD LIMIT CHECKING CALIBRATION 99 9 T000 TIE STEP 1 Select known calibrated weights traceable to NIST NOTE DO NOT USE barbells or uncalibrated weights STEP 2 Zero the scale by pressing and holding the left ZERO button STEP 3 Place the calibrated weight on the scale Wait for scale to stabilize note scale reading 799 2 799 2 STEP 4 Scale readings should be within Calibration Tolerance Table Figure 4 Calibration Tolerance Table Figure 4 IMPORTANT CALIBRATION Qualified service personnel only should perform this procedure The SR70007 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 CALIBRATION SWITCH Aa ua i TIn a E we me c e oo Srey J N Sah a meoo om G CID Ce Ge am f roe cz aTa i a2 J10 lt gt eh ce mo an B ae q l wo ait od in OF GIGS Gin lt a i J4 lt A eer u ms am afa cw SU otf GD ms ex en dbeas amp Ji oe p La one at hen i oo cn a cw L ra ne can POOH OI BA Irae beme Figure 5 Calibration Switch Diagram CAUTION
17. t applied of each bridge The offset potentiometer produces a small current which nulls the output of the amplifier for an unloaded system The output of the operational amplifier is digitized by the analog to digital converter The sigma delta converter sums a rapid sequence of O s O volts and 1 s reference voltage to achieve balance with the input signal from the amplifier The micro controller filters the digital output of the analog to digital converter subtracts the value saved during the system zero operation and scales the filtered output and then displays the result on the liquid crystal display The micro controller performs a moving median filter of data for continuous weigh the micro controller performs checks for signal stability before locking in on the reading The micro controller can be placed in a calibration mode where the system can be re calibrated In the calibration mode the system slope is calculated from two points zero and full scale in the 2 point calibration mode or the slope and change in slope is calculated from three points zero half and full scale in the 3 point calibration mode SR 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 2015 SR Instruments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN70007 _ 150908 Page 11 of 16 CALIBRATION NOTE En
18. uments Inc Model SR70007 Wall Mount Platform Scale Operating and Service Manual Part No MAN7000i _ 150908 Page 16 of 16 SR Scales by SR Instruments Inc Precision amp Technology in Perfect Balance SR 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 2015 SR Instruments Inc
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