AWS BCM-100 Manuel utilisateur
American Weigh Scales
BCM-100 (100g x 0.01g)
BCM-650 (650g x 0.1g)
User Manual
BCM-Series
Copyright © 2012 American Weigh Scales, Inc.
All rights reserved. Rev. 1.2
BCM-Series Manual
Thank you for purchasing the American Weigh
BCM-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 (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 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.
• Calibration should be checked and adjusted
occasionally as part of routine scale maintenance.
ON/OFF
MODE
TARE
g
I. Part List
1. Scale
2. Cover/Expansion Tray
3. AAA Batteries (x2)
II. Key Description
1. ON/OFF - Turns the scale on or off.
2. Mode Key - Tap to change the displayed unit of
measure. Hold to enter calibration (see VII).
3. Tare Key - Re-zeros the scale. Used to remove the
weight of a tray or container.
III. Battery Installation
Proper Battery Installation
2.
1. 3.
ON/OFF
MODE
TARE
g
BCM-Series Manual
Low batteries can cause inaccuracies 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.
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.
• BCM-100 & BCM-650 Units: g (gram) oz (ounce)
ozt (troy ounce) dwt (pennyweight) ct (carat)
gn (grain)
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.
BCM-Series Manual
Model Acceptable
Tolerance (±)
Calibration
Weight
Recommended
Accuracy Class
BCM-100 0.02g 100g OIML M2
BCM-650 0.2g 500g OIML M2
VIII. Adjustment
1. Press and hold the MODE key until the display
shows “CAL”
2. Make sure nothing is on the scale platform then
press the MODE key again.
3. Thedisplaywillash“CAL”followedbytherequired
calibration weight (see chart above).
4. Place the required calibration weight on the platform.
Thedisplaywillash“PASS”thenreturntonormal
weighing mode. Adjustment 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.
• Problem: Displayed weight is inaccurate
• Solution: Perform a calibration adjustment. If
you are still having trouble, contact our warranty
department.
X. Error Codes
1. OUTZ - 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.
XI. Specications
BCM-100 BCM-650
Max. Capacity 100g 650g
Readability 0.01g 0.1g
Min. Weight 0.03g 0.2g
Power 2 x 1.5V “AAA” Alkaline
Dimensions 2.7 x 4.0 x 0.9 in.
Platform Dimensions 2.3 x 2.5 in.
Warranty 10 Year Limited Warranty
XII. Capacity/Readability Charts
BCM-100 BCM-650
100g x 0.01g
3.527oz x 0.001oz
3.215ozt x 0.001ozt
64.30dwt x 0.01dwt
500ct x 0.05ct
1543.2gn x 0.2gn
650g x 0.1g
22.92oz x 0.01oz
20.89ozt x 0.01ozt
417.95dwt x 0.1dwt
3250ct x 0.5ct
10031gn x 2gn
BCM-Series Manual
American Weigh Scales, Inc.
Norcross, GA 30092
Made In China to our exact
specicationsandqualitycontrol.
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