User Manual
M-Series
D i g i t a l P o c k e t S c a l e
M-50
M-100
M-250
M-500
Power
M-Series Manual
Thank you for purchasing the Fast Weigh M-Series
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 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 acclimatize 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 the scale on a at surface.
1. Press the [POWER/TARE] key to turn the scale on.
2. Wait until "0.0” or "0.00" is displayed.
3. Place the object(s) on the weighing platform.
4. Using the [MODE] key, you can switch between the
different weighing units.
5. When nished weighing, you can hold the [POWER/
TARE] key to turn the scale off.
II. TARE WEIGHING(subtracts the weight of a container.)
1. Turn on scale as described above.
2. Place the "tare item" (container) on the platform.
3. Press [POWER/TARE] and wait until "0.0" or "0.00"
is displayed.
4. Add the "net-weight-item" (weight of contents only).
III. CALIBRATION
Calibration is not required before rst use. Only
calibrate if scale is not weighing properly.
M-50 - uses a 50g calibration weight
M-100 - uses a 100g calibration weight
M-250 - uses a 200g calibration weight
M-500 - uses a 500g calibration weight
M-100 Calibration Method
1. Turn OFF the scale.
2. Press and hold the [MODE] key and [POWER/
TARE] key at the same time until the display shows a
random number.
3. Release the [POWER/TARE] key and [MODE] keys.
4. Press the [POWER/TARE] key again. The display
will show AL 0 followed by the required calibration
weight. Place the required weight on the scale.
5. Once the scale is stable, the LCD will display AL F.
Calibration is complete! AL E means calibration failure
(Repeat steps 1 - 5)
M-50, M-250, M-500 Calibration Method
1. Turn OFF the scale.
2. Press and hold the [MODE] key and [POWER/
TARE] key at the same time until the display shows a
random number.
3. Release the [POWER/TARE] key and [MODE] keys.
4. Press the [POWER/TARE] key again. The display
will show AL 0 followed by the required calibration
weight. Place the required weight on the scale.
5. Press [POWER/TARE] once more. If the display
shows AL F, calibration is complete! AL E means
calibration failure (Repeat steps 1 - 5).
V. 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
[LO-] Replace the batteries.
[o-Ld] You are overloading the scale. Remove the
excessive load immediately!
[AL E] A calibration error has occured. If the
error coninues, the delicate load cells may
have been damaged.
Model M-50 M-100 M-250 M-500
Capacity 50g / 1.764oz /
772gn / 250ct
100g / 3.528oz
/ 500ct /
1543gn
250g / 8.82oz
/ 8.54ozt /
160.75dwt
500g / 17.64oz
/ 16.08ozt /
321.5dwt
Resolution 0.01g / 0.001oz
/ 0.2gn/ 0.05ct
0.01g / 0.001oz
/ 0.2gn/ 0.05ct
500g / 17.64oz
/ 16.08ozt /
321.5dwt
500g / 17.64oz
/ 16.08ozt /
321.5dwt
Calibration
Weight
50g 100g 200g 500g
Platform Size 2.1 x 2.2 “
Dimensions 3.5 x 2.3 x 0.75 “
Power two AAA Batteries
Warranty 5 Year Warranty
Specications
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