American Weigh Scales AWS-Series Manual de usuario
American Weigh Scales
AWS-70 (70x0.01g)
AWS-100 (100x0.01g)
AWS-250 (250x0.1g)
AWS-600 (600x0.1g)
AWS-1KG (1000gx0.1g)
User Manual
AWS-Series
Copyright © 2010 American Weigh Scales, Inc.
All rights reserved. Rev. 4.0
AWS-Series
Thank you for purchasing the American Weigh
AWS-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 and adjustment(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.
• Alwaysweighonaatandlevelsurface,freefrom
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.
• Checkthebatteriesrstifyouarehavinganytrouble
with your scale. This simple step can remedy most
scale issues.
• Do not disassemble your scale. This product contains
no user serviceable parts.
I. Part List
1. Scale
2. Cover/Expansion Tray
3. AAA Batteries (x2)
II. Key Description
III. Battery Installation
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.
MODE Key
TARE Key
ON/OFF Key
UNUSED
AWS-Series
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.
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.
• AWS-70 Units: g (gram) oz (ounce) ct (carat)
gn (grain)
• AWS-100 Units: g (gram) oz (ounce) ct (carat)
gn (grain)
• AWS-250 Units: g (gram) oz (ounce) ozt (troy
ounce) dwt (pennyweight)
• AWS-600 Units: g (gram) oz (ounce) ozt (troy
ounce) dwt (pennyweight)
• AWS-1KG 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. 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
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 below), adjustment is required.
Model Acceptable
Tolerance (±)
Calibration
Weight
Recommended
Accuracy Class
AMW-70 0.02g 50g OIML M2
AMW-100 0.02g 100g OIML M2
AMW-250 0.2g 200g OIML M2
AMW-600 0.2g 500g OIML M2
AMW-1KG 0.2g 500g OIML M2
AWS-Series
VIII. Adjustment
1. Turn the scale on by pressing the ON/OFF key.
2. Wait for the display to show “0.0g” or “0.00g” then
press and hold the MODE key until the display
shows “CAL”, then release.
3. PresstheMODEkeyagain.Thedisplaywillash
“CAL” followed by the required calibration weight.
4. Place the required calibration weight on the center
of the platform. The display will show “PASS” then
return to normal weighing mode. Calibration is
complete! You may now turn the scale off.
IX. Troubleshooting
• Problem: Scale will not turn on
• Solution: Check the batteries
• Problem: Displayedweightuctuatesrandomly
• 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
X. 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. 88888 - Maximum capacity exceeded. Remove the
extra weight to avoid damaging the load cell.
3. L - Batteries are low. Replace the batteries.
XI. Specications
AWS-70 AWS-100
Max. Capacity 70g 100g
Readability 0.01g 0.01g
Power Two (2) AAA Batteries
Dimensions 3.0 x 5.0 x 0.8 in.
Platform Dimensions 2.5 x 3.0 in.
Warranty 10 Year Limited Warranty
AWS-600 AWS-250 AWS-1KG
Max. Capacity 600g 250g 1000g
Readability 0.1g 0.1g 0.1g
Power Two (2) AAA Batteries
Dimensions 3.0 x 5.0 x 0.8 in.
Platform Dimensions 2.5 x 3.0 in.
Warranty 10 Year Limited Warranty
XII. Capacity/Readability Charts
AWS-70 AWS-100
70x0.01g
2.47x0.001oz
350x0.05ct
1080.2x0.2gn
100x0.01g
3.528x0.001oz
500x0.05ct
1543x0.2gn
AWS-250 AWS-600 AWS-1KG
250x0.1g
8.818x0.01oz
8.038x0.01ozt
160.8x0.1dwt
600x0.1g
21.16x0.01oz
19.29x0.01ozt
385x0.1dwt
1000x0.1g
35.27x0.01oz
32.15x0.01ozt
643.1x0.1dwt
AWS-Series
Este manual sirve para los siguientes modelos
5
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