AWS SC-501 Manual de usuario
American Weigh Scales
SC-501, SC-501A (500g x 0.01g)
SC-2KG, SC-2KGA (2000g x 0.1g)
User Manual
SC-Series
Copyright © 2011 American Weigh Scales, Inc.
All rights reserved. Rev. 2.0
SC-Series Manual
Thank you for purchasing the American Weigh
SC-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. This
scale has integrated overload protection, but any
overload protection has its limits!
• Avoid exposure to extreme heat or cold. Scales
perform best at normal room temperature. If
temperatures have changed dramatically, recalibration
may be necessary.
• Allow your scale to warm up for 30-60 seconds before
performing calibration.
• 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 cordless phones.
• Alwaysweighonaatandlevelsurface,freefrom
vibrations and drafts.
• 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.
• Checkthebatteriesrstifyouarehavinganytrouble
with your scale. This simple step can remedy most
scale issues.
• For best accuracy, calibration should be performed at
least once every 12 months, depending on frequency
of use. Calibration is already performed at the factory.
I. Part List
1. Scale
2. Cover/Expansion Tray (1 large, 1 small)
3. AAA Batteries (x2)
4. AC Adapter
II. Key Description
1. ON/OFF key - Press to turn the scale ON or OFF.
2. MODE key - Changes the displayed weighing unit.
3. TARE key - Re-zeros the scale. Used to remove the
weight of a tray or container.
Proper Battery Installation
AAA
AAA
3.
1.
2.
SC-Series Manual
III. Power
Low batteries can cause inaccuracy in digital scales. If
youareexperiencingissueswithyourscale,rsttrynew
batteries. Most times, this will solve the problem.
1. Beforeusingthescaleforthersttime,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.
3. Only use the included adapter when plugging the
scale into AC power. (SC-501A & SC-2KGA only)
IV. Operation
1. Placethescaleonaat,levelsurfaceandpressthe
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.
5. To turn the scale OFF, press the ON/OFF key again.
V. Changing the Unit of Measure
1. Press the MODE 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.
• SC-501/A Units: g (gram) oz (ounce) ct (carat)
gn (grain)
• SC-2KG/A 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 (subtractive taring).
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, its weight
will be displayed as a negative number.
3. Youmaynowllthecontainerwiththequantityto
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. Calibration
Initial calibration is performed at the factory. However, the
calibration can drift slightly due to stresses from 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.
SC-Series Manual
Model Acceptable
Tolerance (±)
Calibration
Weight
Recommended
Accuracy Class
SC-501,
SC-501A 0.02g 200g,
400g OIML M2
SC-2KG,
SC-2KGA 0.2g 1000g,
2000g OIML M2
VIII. Adjustment
Do Not Proceed Without Proper Weights (see above)
1. Turn the scale ON.
2. Press and hold the MODE key until the display
shows “CAL”, then release.
3. Make sure no weight is on the platform and press
MODE again.Thedisplaywillash“CAL”followed
bytherstrequiredcalibrationweight.
4. Placetherstrequiredweightontheplatform.
5. Oncetherstweightisconrmed,thedisplaywill
ashthesecondrequiredcalibrationweight.Place
the required weight on the platform.
6. Oncethesecondweightisconrmed,thedisplay
will show “PASS” and return to normal weighing
mode. Calibration is complete!
IX. Troubleshooting
• Problem: Scale will not turn on
• Solution: Check the batteries and battery contacts.
• Problem: Displayedweightuctuatesrandomly
• Solution: Make sure your workspace is stable and
free of any air currents or vibration. In some cases,
nearby radio wave emitting devices can cause
uctuations.Trynewbatteries.
• Problem: Displayed weight is inaccurate
• Solution: Perform a calibration adjustment. If
you are still having trouble, contact our warranty
department. Make sure you are using a trusted
weight to calibrate and adjust accuracy. Adjustment
must be performed with the weights listed in the
chart on the previous page or inaccuracy will occur.
X. Error Codes
1. OUTZ (or OUE2) - Zero point has drifted out of
the acceptable range. Try to perform a calibration
adjustment. If the problem persists, the load cell may
be permanently damaged due to overloading.
2. O-Ld - Overload. The maximum capacity has
been exceeded. Remove the extra weight to avoid
permanently damaging the load cell.
3. Lo - Batteries are low. Replace the batteries.
4. UNST - The scale is unstable or in motion. Use in a
more stable position.
SC-Series Manual
American Weigh Scales, Inc.
Norcross, GA 30092
Made In China to our exact
specicationsandqualitycontrol.
XI. Specications
SC-501/A SC-2KG/A
Max. Capacity 500g 2000g
Readability 0.01g 0.1g
Min. Weight 0.05g 0.3g
Power 2 x 1.5V “AAA” Alkaline or
AC-Adapter (5V/500mA)*
Auto-Off Time 90 Seconds of Non-Use
Disabled when using AC Adapter*
Dimensions 4.1 x 5.0 x 0.7 in.
Platform Dimensions 4.0 x 4.0 in.
Warranty 10 Year Limited Warranty
*SC-2KGA & SC-501A Only
XII. Capacity/Readability Charts
SC-501/A SC-2KG/A
500g x 0.01g
17.64oz x 0.001oz
2500ct x 0.05ct
7716gn x 0.2gn
2000g x 0.1g
70.55oz x 0.01oz
64.30ozt x 0.01ozt
1286dwt x 0.1dwt
Este manual sirve para los siguientes modelos
3
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