SR Instruments SR Scales SR241 Operating And Service Manual Download Page 1 | Manualshive

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Model SR241 Portable Infant/Adult Scale
Service Manual
Part No. MAN241_201006

Page 1 of 14

S

Instruments, Inc.

,

600 Young Street, Tonawanda, NY 14150

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

www.srscales.com

[email protected]

Copyright 2020

S

Instruments, Inc.

S

by

S

Instruments, Inc.

Operating and Service

Manual

Model

SR241/SR241SO

Portable Infant / Adult Scale

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Summary of Contents for SR Scales SR241

Page 1: ...age 1 of 14 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 2020 SInstruments Inc S by S Instruments Inc Operating and Service Manual Model SR241 SR241SO Portable Infant Adult Scale ...

Page 2: ...LIST MODEL SR241 3 PACKING CHECKLIST MODEL SR241SO 3 ASSEMBLY 4 REPLACEMENT PARTS AND ACCESSORIES 4 SYSTEM DESCRIPTION AND INTENDED USE 4 SYSTEM DESCRIPTION AND INTENDED USE CONT D 5 STORAGE 5 CLEANING AND DISINFECTING 6 SPECIFICATIONS 7 BUTTON FUNCTIONS 8 BASIC SYSTEM OPERATION 9 BATTERY REPLACEMENT 10 THEORY OF OPERATION 11 CALIBRATION 12 TROUBLESHOOTING 12 WARRANTY 13 TABLE OF FIGURES Figure 1 ...

Page 3: ...struments Inc PACKING CHECKLIST Model SR241 Portable Infant Adult Scale PACKING CHECKLIST Model SR241SO Portable Scale DESCRIPTION QUANTITY SCALE BASE 1 ea INFANT CRADLE 1 ea 9 VOLT BATTERY 1 ea CERTIFICATE OF CALIBRATION 1 ea MANUAL 1 ea OPTIONAL ITEMS IF ORDERED SOFT SIDED CARRY CASE 1 ea DESCRIPTION QUANTITY SCALE BASE 1 ea 9 VOLT BATTERY 1 ea CERTIFICATE OF CALIBRATION 1 ea MANUAL 1 ea OPTIONA...

Page 4: ...nt Cradle slides onto the Scale Base and snaps securely into position REPLACEMENT PARTS and ACCESSORIES SYSTEM DESCRIPTION and INTENDED USE SYSTEM DESCRIPTION The SR241 SR241SO Portable Infant Adult Scale 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 ...

Page 5: ...nsures accurate and repeatable weight readings The SR241SO Portable Adult Scale is a unique portable scale system that is lightweight and weather resistant It weighs a mere four pounds This scale is specialized for use in physicians offices and is also perfect for traveling nurse applications The optional Soft Sided Carry Case Figure 1 protects the scale and facilitates its portability The SR241SO...

Page 6: ...e 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 ...

Page 7: ...URACY 0 2 1 digit of displayed resolution over 0 2 kg AUTO ZERO One button operation SR241 SCALE WEIGHT 7 lb 3 kg SR241SO SCALE WEIGHT 4 lb 2 kg AUTO POWER DOWN After 1 minute AVERAGING Automatic digital filter POWER SUPPLY 9 volt battery CALIBRATION Calibration is traceable to NIST standards OPERATING CONDITIONS Normal operating conditions for this product Ambient Temperature Range 68 F to 85 F 2...

Page 8: ...Place any blankets pads or disposable liners being used for infant s comfort on the cradle before zeroing Press the yellow BABY MODE button to zero the scale system When baby is placed on the scale the infant s net weight data will be displayed Note When system is zeroed memory is emptied LB KG MODE BUTTONS Press either button to switch weight display between pounds ounces or kilograms during the ...

Page 9: ...iding and snapping it into place STEP 2 Place the platform on a stable counter or table top STEP 3 Follow the directions for ZERO BABY MODE in the previous section STEP 4 When the display indicates 0 0 you may place the baby on the scale If the display shuts down before weight data can be noted press the LB or KG button to recall the last stored weight data BABY WEIGH OPTION 2 STEP 1 Remove infant...

Page 10: ...0 SInstruments Inc BATTERY REPLACEMENT REPLACING BATTERIES The display will read LobAt when battery is low and needs to be changed STEP 1 Figure 3 Turn the scale over and locate the battery cover Unscrew the two 2 screws STEP 2 Remove and replace with a 9 volt battery STEP 3 Press the ZERO button to confirm display is working STEP 4 Replace cover and securely tighten screws STEP 5 Zero the system ...

Page 11: ...y voltage out per unit of weight 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 converter integrates the analog signal onto the integrating capacitor over a short interval The integrating capacitor is then discharged at...

Page 12: ...ncluding the caregiver is touching the patient or scale Set scale on smooth hard floor surface Scale reads 999 9 Return to factory for repair For additional information or assistance phone our Service Hotline 1 800 654 6360 or e mail sri srinstruments com IMPORTANT CALIBRATION CHECK Qualified service personnel only should perform this procedure Load cells have no user serviceable components and sh...

Page 13: ...ranties expressed or implied and of all other obligations or 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 Purchaser should file any claims for short...

Page 14: ... No MAN241_201006 Page 14 of 14 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 2020 SInstruments Inc S By SInstruments Inc Precision Technology in Perfect Balance ...

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