Thank you for purchasing a PROSCALE™ SIMPLEX 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! Avoiding 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 sucient 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 eect 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.
USER MANUAL
SIMPLEX
OPERATION
1. Place scale on a horizontal at surface,
press
[ON/OFF] key to turn on the scale.
2. Wait until "0.0" is displayed
3. Put the object(s) on the weighing
platform
4. Using the [MODE] key, you can change
the weighing units.
TARE
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”
COUNTING / PCS MODE
1. Turn on scale as described above.
2. Press & hold [PCS] unil “PCS” ashes on
the display.
3. Now press [MODE] to toggles the
sample size (25,50,75 or 100).
4. Place the exact quantity of samples
desired on the platform and press
[PCS].
5. Place the items that you want counted
onto the tray and the total number of
items will show on the display.
6. Press [MODE] to return to normal
weighing mode.
SPECIFICATIONS
Tare Range Full capacity
Auto O 60 seconds o
Op. Temp 15 to 30 degrees C
Display LCD 5 digits
Power 2 x AAA
Scale Dim. 120 x 65 x 17mm
Tray 75 mm x 65 mm
SIMPLEX 300 / 500
Capacity 300G / 500g
Readability 0.01g / 0.1g
Modes g, gn, ct, dwt, pcs
Calibration 300g / 500g
CALIBRATION
1. Place the scale on a stable surface and
turn on the scale.
2. Press and hold [MODE] button and
release when the display shows “CAL”
3. Press [MODE] again, the LCD display will
show the required calibration weight
“300g or 500g ”.
4. Gently place the required weight on the
scale and and wait 3 seconds.
5. The display will show “PASS” when
calibration is complete and return to
the normal weighing mode.
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