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American Weigh Scales AC PRO-200, AC PRO-500, ACP-200, ACP-500 User manual

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American Weigh Scales
ACP-200 (200x0.01g)
ACP-500 (500x0.1g)
User Manual
ACPro Series
Copyright © 2010 American Weigh Scales, Inc.
All rights reserved. Rev. 2.0
ACPro Series User Manual
 ThankyouforpurchasingtheAmericanWeigh
ACPro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
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.
ON/OFF MODE TARE PCS
g
ct
I. Part List
1. Scale
2. UserManualandTermsandConditions
3. RemovableCover/ExpansionTray
4. 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
Pcs. Key
ON/OFF MODE TARE PCS
g
ct
ACPro Series User Manual
IV. Operation
1. Placethescaleonaat,levelsurfaceandpressthe
ON/OFF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MODEkeytochangethescale’s
displayedunitofmeasure.
2. Ifthescaleisturnedoff,thenbackon,itwilldefault
tothelastunitused.
• ACP-200 Units:g(gram) dwt(pennyweight) ct
(carat) gn(grain)
• ACP-500 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TARE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 TAREkeyagaintore-zerothescale.
VII. Using the Counting Feature
1. PresstheON/OFF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PCS
keytoentercountingmodesetup.
4. Thecurrentsamplesizewillbedisplayedonthe
bottomrightoftheLCD.
5. PresstheMODEkeytochangeitbetween25,50,
75,or100andpressPCStoconrm.Thecount
willbedisplayedonthebottomrightof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.
ACPro Series User Manual
Model Acceptable
Tolerance(±)
Calibration
Weights
Recommended
AccuracyClass
ACP-200 0.02g 100g,200g OIMLM2
ACP-500 0.2g 500g OIMLM2
IX. Calibration Adjustment
1. PresstheON/OFFkeytoturnthescaleon.
2. PressandholdtheMODEkeyforthreeseconds
untilthedisplayshows“CAL”thenrelease.
3. PresstheMODEkeyagain,andtheLCDwillash
therstcalibrationweight.Placetherequiredweight
onthemiddleoftheplatform
4. TheLCDwillashthenashthesecondrequired
calibrationweight.Placetherequiredcalibration
weightonthemiddleoftheplatform.Skipthisstep
formodelACP-500.
5. TheLCDwilldisplay“PASS”andreturntonormal
weighingmode.Calibrationiscomplete!
X. Troubleshooting
• Problem:Scalewillnotturnon
• Solution: Checkthebattery
• 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. O-LD-Maximumcapacityexceeded.Removethe
extraweighttoavoiddamagingtheloadcell.
3. LO -Batteriesarelow.Replacethebatteries.
4. UNSE -Thescaleisunstable.Usethescaleina
morestableposition.
ACP-200 ACP-500
Max.Capacity 200g 500g
Readability 0.01g 0.1g
Power 2xAAABatteries
Dimensions 2.8x4.8x0.8in.
PlatformDimensions 2.5x3.0in.
Warranty 10YearLimitedWarranty
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