AWS AMW-150DR Manuale utente
American Weigh Scales, Inc.
User Manual
AMW Series
Digital Pocket Scale
AMW-150DR
AMW-300DR
DUAL RANGE
AMW Series Manual
Thank you for purchasing the American Weigh
AMW-Series dual range digital scale. Please read
all operating instructions carefully before use. This
electronic scale is a precision instrument. With normal
care and proper treatment, it will provide years of
reliable service. Never load the scale with more
than the maximum capacity. Overloading the scale
will permanently damage it! Avoid any exposure to
extreme heat or cold. Your scale works better when
operated at normal room temperature. Always allow
the scale to acclimate to normal room temperature for
at least one hour before use.
Give your scale sufcient warm up time. Usually
30-60 seconds before calibration to give the internal
components a chance to stabilize.
Keep your scale in a clean environment. Dust, dirt,
moisture, vibration, air currents and a close distance to
other electronic equipment can all cause an adverse
effect on the reliability and accuracy of your scale.
Handle with care. Gently apply all items to be weighed
onto tray top. Although this scale is designed to be
quite durable, try to avoid rough treatment as this may
permanently damage the internal sensor.
Avoid shaking, dropping or otherwise shocking the
scale. This is a precision instrument and must be
handled with extreme care.
Only operate the scale on a stable, vibration free
surface.
I. OPERATION
Place Scale on a horizontal at surface.
1. Press [ON/OFF] key.
2. Wait until "0.0” is displayed.
3. Put the object(s) on the weighing platform.
4. Using the [MODE] key, you can switch between the
weighing units.
II. CHANGING SCALE RANGE (0.1g - 0.01g)
1. Remove any weight from the platform before
changing the scale's range.
2. With the scale on, press and hold the [MODE] key,
then tap the [TARE] key to switch between 0.1g or
0.01g ranges.
Note: The scales capacity is lower when in 0.01g
range (ie. 50g for AMW-150DR, 100g for AMW-
300DR)
III. TARE WEIGHING
1. Turn on scale as described above.
2. Place the "tare item" on the platform.
3. Press [TARE] and wait until "0.0" is displayed.
4. Add the "net-weight-item".
IV. CALIBRATION
Calibration is NOT required before rst use. Only
calibrate if scale is not weighing properly.
**Make sure you use the correct calibration weight for
your scale or the calibration will not be accurate**
AMW-150DR: 50g + 100g calibration weight
AMW-300DR: 100g + 300g calibration weight
A. AMW-150DR Calibration
1. Press the [ON/OFF] key to turn on the scale.
2. Once the scale goes to zero (0.0 or 0.00g) press the
[CAL] key once. The LCD will display “50.00g”.
3. Press the [MODE] key once. The display will now
being to ash “50.00g”.
4. Place the 50g weight on the platform, and press
the [MODE] key again. The display will now show
“100.00g”. Tap [MODE] again to make the display ash
“100.00g”.
6. Place another 50g on the platform to make 100g
total on the scale and press the [MODE] key. The
display will show PASS and shut off. Calibration is
compete!
B. AMW-300DR Calibration
1. Press the [ON/OFF] key to turn on the scale.
2. Once the scale goes to zero (0.0 or 0.00g) press the
[CAL] key once. The LCD will display “50.00g”.
3. Press the [MODE] key once. The display will now
being to ash “50.00g”.
4. Place the 50g weight on the platform, and press
the [MODE] key again. The display will now show
“100.00g”. Tap [MODE] again to make the display ash
“100.00g”.
6. Place another 50g on the platform to make 100g
total on the scale and press the [MODE] key. The
display will show PASS and shut off. Calibration is
compete!
Check the availability of weights with the store you
bought your scale from.
IV. TROUBLESHOOTING
The primary reasons for inaccuracy or malfunction
are low batteries, incorrect calibration, overload or
operating on an unstable surface. Please keep this in
mind and maintain and operate your scale properly.
This scale is a precise instrument and must be
handled with the utmost care and caution.
[Display] Elimination of errors
Nothing, Battery-Symbol, [lo] or [88888]
Change the batteries.
[OUE2] Recalibrate the scale as shown above.
[0_Ld] You are overloading the scale. Remove the
excess again after recalibration.
[UNST] Use the scale in a more stable position
Model AMW-150DR AMW-300DR
Capacity
50g / 1.764oz /
250ct / 771.5gn
150g / 5.3oz /
500ct / 1543gn
100g /
3.528oz
/ 500ct /
1543gn
300g / 10.585oz /
9.654ozt / 193dwt
Resolution
0.01g / 0.001oz /
0.05ct / 0.1gn
0.1g / 0.005oz /
0.005ozt / 0.1dwt
0.01g /
0.001oz /
0.05ct / 0.1gn
0.1g / 0.005oz /
0.005ozt / 0.1dwt
Calibration Weight
(not Included) 50g + 100g (not included) 100g + 200g (not included)
Platform Dimensions
(inches) 2.5 x 3 “
Scale Dimensions
(inches) 3 x 5 x 0.75 “
Power 2 x AAA (included)
Specications
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