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AWS BS-100, BS-250 User manual

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American Weigh Scales
BS-100 (100x0.01g)
BS-250 (250x0.1g)
User Manual
BS-Series
Copyright © 2010 American Weigh Scales, Inc.
All rights reserved. Rev. 2.0
BS-Series Manual
ThankyouforpurchasingtheAmericanWeigh
BS-Seriesdigitalpocketscale.Pleasereadalloperating
instructionscarefullybeforeuse.Scalesareprecision
measuringdevicesandshouldalwaysbehandledwith
propercare.Toensureyearsofreliableservice,keepthese
simpletipsinmind:
• Donotexceedthescale’smaximumcapacity.
Overloadingyourscalecanpermanentlydamageit!
• Avoidexposuretoextremeheatorcold.Scales
performbestatnormalroomtemperature.If
temperatureshavechangeddramatically,calibration
andadjustmentmaybenecessary.
• Allowyourscaletowarmupfor30-60secondsbefore
performingcalibration(ifavailable).
• Storeyourscaleinaclean,drylocation.Dust,dirt,
andmoisturecanaccumulateontheweighing
sensorsandelectronicscausinginaccuracyor
malfunction.
• Avoidusingyourscaleincloseproximitytostrong
radiowaveemittingdevicessuchascomputers,cash
registers,andcordlessphones.
• Alwaysweighonaatandlevelsurface,freefrom
vibrationsanddrafts.Thecornerofaroomisusually
themoststable.
• Gentlyapplyallitemstobeweighed.Donotdrop
itemsontotheweighingplatform.
• Avoiddroppingyourscale.Thewarrantydoesnot
coverdamageduetoroughtreatmentoroverload.
• Checkthebatteriesrstifyouarehavinganytrouble
withyourscale.Thissimplestepcanremedymost
scaleissues.
• Donotdisassembleyourscale.Thisproductcontains
nouserserviceableparts.
AMW-BS100
I. Part List
1. Scale
2.
WeighingTray
3. AAABatteries(x2)
II. Key Description
III. Battery Installation
1.
Beforeusingthescaleforthersttime,check
thebatterycompartmentandremoveanyplastic
insulationstripsorpackagingthatmaybeinplaceto
preventbatterydrainageduringshipping/storage.
2. Ifyouarereplacingthebatteries,makesurethe
positiveandnegativecontactsareproperlyaligned.
ON/OFF Key
Mode Key
Tare Key
Count Key
BS-Series Manual
IV. Operation
1.
Placethescaleonaat,levelsurfaceandpressthe
I/Okeytoturnthescaleon.
2. Oncethestart-upprocesscompletesandthescale
goestozeroyouarereadytoweigh.
3. Placethequantitytobeweighedontotheweighing
platform.
4. Waitacouplesecondsforthedisplaytostabilize
beforetakingaweightreading.
V. Changing the Unit of Measure
1.
PresstheMkeytochangethescalesdisplayedunit
ofmeasure.
2. Ifthescaleisturnedoffthenbackon,itwilldefault
tothelastunitused.
• BS-100 Units:g(gram) dwt(pennyweight) ct
(carat) gn(grain)
• BS-250 Units:g(gram) oz(ounce) ozt(troy
ounce) dwt(pennyweight)
VI. Using the Tare Feature
Youcanusethisscale’starefeaturetosubtracttheweight
ofanemptycontainerorvesselfornetweightdetermination.
NOTE:Theweightofthecontainerwillsubtractfromthe
availablecapacity.
1. Placetheemptycontainerorvesselontheweighing
platform.
2. PresstheTkeyonce.Thedisplaywillthenresetto
zero.Ifthecontainerisremoved,it’sweightwillbe
displayedasanegativenumber.
3. Youmaynowllthecontainerwiththequantityto
beweighed.Thedisplaywillshowthenetweightof
thecontents.
4. Toreturntonormalweightdisplay(grossweight),
removeanyitemsfromtheweighingplatformand
pressthe Tkeyagaintore-zerothescale.
VII. Using the Counting Feature
1.
PresstheI/Okeytoturnthescaleon.
2. Placeasamplequantityoftheitemsbeingweighed
ontheplatform.Thisquantityshouldeitherbe25,
50,75,or100pieces.
3. Oncetheweightisstable,pressandholdtheCkey
toentercountingmodesetup.
4. Thecurrentsamplesizewillbedisplayedonthe
LCD(ie.“25”).
5. PresstheM keytochangeitbetween25,50,75,
or100andpressCtoconrm.Thecountwillbe
displayedontheLCD.Youmaynowaddmore
items.Asitemsareremoveitemsandthecountwill
updateautomatically.
VIII. Calibration
Calibrationandadjustmentareperformedatthefactory.
However,theweighingrangecanshiftslightlyduring
shipping.Also,duetochangesinlocalaccelerationofgravity
aroundtheworld,adjustmentisrecommendedwhenmoving
thescalefromonelocationtoanother.Tocheckcalibration:
1. Placetherequiredcalibrationweightonthescale
andnotethedisplayedvalue.
2. Ifthedisplayedvalueisnotwithinacceptable
tolerance(seechartonnextpage),adjustmentis
required.
BS-Series Manual
Model Acceptable
Tolerance(±)
Calibration
Weight
Recommended
AccuracyClass
BS-100 0.02g 100g OIMLM2
BS-250 0.2g 200g OIMLM2
IX. Adjustment
1.
PressandholdtheMkeyuntilthedisplayshows
“CAL”.
2.
PresstheMkeyagain.Thedisplaywillash“CAL”
followedbythecalibrationweightvalue(seechart).
3. Placethecalibrationweightonthecenterofthe
weighingplatform.Makesureyouareusingthe
correctweightforyourspecicmodel.
4. Oncetheweightisaccepted,thedisplaywillshow
“PASS”thenreturntonormaloperation.
X. Troubleshooting
•
Problem:Scalewillnotturnon
• Solution: Checkthebatteries
• Problem: Displayedweightuctuatesrandomly
• Solution: Makesureyourworkspaceisstableand
freeofanyaircurrentsorvibration
• Problem:Displayedweightisinaccurate
• Solution:Performacalibrationadjustment
XI. Error Codes
1. OUTZ-Zerorangehasshifted.Performcalibration
adjustment.Iftheproblempersists,theloadcellmay
bepermanentlydamagedduetooverloading.
2. EEEEE-Maximumcapacityexceeded.Removethe
extraweighttoavoiddamagingtheloadcell.
3. LLLLL -Loadcellhasbeenoverloaded.
4. UNST-Thescaleisunstable.Usethescaleina
morestableposition
XII. Specications
BS-100 BS-250
Max.Capacity 100g 250g
Readability 0.01g 0.1g
Power
2xAAA
Dimensions 2.8x4.3x0.8in.
PlatformDimensions 1.8x2.6in.
Warranty 10YearLimitedWarranty
BS-100 Capacity Readability
Gram 100g 0.01g
Pennyweight 64.30dwt 0.01dwt
Carat 500ct 0.05ct
Grain 1543gn 0.2gn
BS-250 Capacity Readability
Gram 250g 0.1g
Ounce 8.820oz 0.01oz
TroyOunce 8.038ozt 0.01ozt
Pennyweight 160.8dwt 0.1dwt
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