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Model SR241KG Portable Infant/Adult Scale
Service Manual
Part No. MAN241KG_201006
Page 1 of 14
S
by S Instruments, Inc.
Portable Infant / Adult 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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Summary of Contents for SR Instruments SR Scales SR241KG
- Page 1 Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 1 of 14 by S Instruments, Inc. Portable Infant / Adult 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.
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Page 2: Table Of Contents
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 2 of 14 TABLE OF CONTENTS TABLE OF FIGURES ........................2 PACKING CHECKLIST – MODEL SR241KG ................3 PACKING CHECKLIST – MODEL SR241SOKG ..............3 ASSEMBLY............................4 REPLACEMENT PARTS AND ACCESSORIES ................4 SYSTEM DESCRIPTION AND INTENDED USE ...............4 STORAGE ............................5 CLEANING AND DISINFECTING ....................6 SPECIFICATIONS...........................7... -
Page 3: Packing Checklist - Model Sr241Kg
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 3 of 14 PACKING CHECKLIST – Model SR241KG Portable Infant / Adult Scale DESCRIPTION QUANTITY SCALE BASE 1 ea INFANT CRADLE 1 ea 9 VOLT BATTERY 1 ea CERTIFICATE OF CALIBRATION 1 ea MANUAL... -
Page 4: Assembly
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 4 of 14 ASSEMBLY STEP 1: Unpack the scale system and check parts against the PACKING CHECKLIST. If there are any missing or damaged parts, call the Service Hotline at: 1-800-654-6360. STEP 2: Insert supplied 9-volt battery. -
Page 5: Storage
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 5 of 14 SYSTEM DESCRIPTION and INTENDED USE (Cont’d) INTENDED USE The SR241KG Portable Infant/Adult Scale is a unique portable scale system that offers the versatility of being able to weigh infants, toddlers, and adults on one lightweight and weather resistant system. -
Page 6: Cleaning And Disinfecting
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 6 of 14 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 7: Specifications
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 7 of 14 SPECIFICATIONS MAXIMUM WEIGHT Infant: 20 kg (44 lb) CAPACITY Adult: 181 kg (400 lb) Infant Cradle: 55 cm x 32 cm (22” x 12.5”) DIMENSIONS Adult Platform: 31 cm x 36 cm (12”... -
Page 8: Button Functions
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 8 of 14 BUTTON FUNCTIONS Figure 2: SR241KG/SR241SOKG Label SYSTEM ZERO ZERO – ADULT MODE To zero for adult weigh: Press the large blue “ZERO” button. Display will read “0.0”. When patient is placed onto the scale, net weight will be displayed. ZERO –... -
Page 9: Basic System Operation
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 9 of 14 BASIC SYSTEM OPERATION ADULT WEIGH STEP 1: Remove infant cradle from base. Place scale on hard smooth floor surface to ensure accurate data. STEP 2: Press the large blue “ZERO” button and wait for the display to indicate “0.0” STEP 3: Position patient on the platform. -
Page 10: Battery Replacement
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 10 of 14 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. -
Page 11: Theory Of Operation
Page 11 of 14 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 analog to digital converter. The digital signal is transferred to a micro-controller where it is filtered, converted to appropriate units, and displayed on a liquid crystal display. -
Page 12: Calibration
Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 12 of 14 CALIBRATION IMPORTANT CALIBRATION CHECK Qualified service personnel only should perform this procedure. 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. -
Page 13: Warranty
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. - Page 14 Model SR241KG Portable Infant/Adult Scale Service Manual Part No. MAN241KG_201006 Page 14 of 14 By SInstruments, 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. email: sri@srinstruments.com...
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