Thank you for purchasing the Pro-Touch™ IV 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 maximal 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.
OPERATION
1. Place scale on a horizontal at surface, press
[ON/OFF] key to turn on the scale.
2. Wait until "0.0" or “0.00” is displayed
3. Put the object(s) on the weighing platform
4. Using the [MODE] key, you can switch among
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”
CALIBRATION
1. Turn on the scale by pressing [ON/OFF] key.
2. Wait until the LCD displays “0.00” and then press
and HOLD [MODE] key until the “CAL” will be
displayed, and then release the [MODE] key.
3. Press [MODE] key again, the LCD will display
“CAL” followed by the required calibration
weight.
4. Add the required calibration weight, the display
will show “PASS” and return to normal
weighing mode.
5. Put away the calibration weight and press
[ON/OFF] to turn o the scale and the
calibration is nished!
PLEASE CHECK THE AVAILABILITY OF WEIGHTS
AT THE STORE YOU BOUGHT YOUR SCALE FROM.
ONLY OPERATE THE SCALE ON A
STABLE,
VIBRATION FREE SURFACE.
PRO-TOUCH™ IV 100
Capacity 100g
Readability 0.01g
Modes dwt, ozt, ct, gn, oz, g
Calibration 100g
PRO-TOUCH™ IV 650
Capacity 650g
Readability 0.1g
Modes dwt, ozt, ct, gn, oz, g
Calibration 500g
SPECIFICATIONS
Tare Range Full capacity
Auto O 60 seconds o
Op. Temp 10-30 ºC
Power 2x CR2032
Scale Dim. 60 x 115 x 12mm
Tray Dim. gggggg
DISPLAY ERROR MESSAGES
Change the batteries.
Recalibrate the scale as
shown above.
You are overloading the
scale. Remove the
excessive load immediately
Use the scale in a more
stable position
[Lo]
[OUE2]
[O_LD]
[UnST]
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