Optima Scale OPF-P Manuale utente
OPF-P Counting Scale
USER’S MANUAL
optimascale.com
TABLE OF CONTENTS
Features 1
Contact Us 1
Safety Precautions 2
Preparations and Set Up 2
Display and Key Description 3
Operating Instructions 4-6
Battery 7
Alarms 7
User Settings 8-10
Communication Protocols 11
Troubleshooting 12
Specications 12
Scale Settings 13-14
Calibration 14
1
FEATURES
• Provides the highest level of counting accuracy
• Up to 21 PLU’s for storing sample weights so they can easily be
retrieved
• 30,000 displayed resolutions
• 3 displays - Weight - Unit Weight - Count
• Truly portable - with both AAC adapter and rechargeable battery that
lasts 100 hours
• Large removable anti-static stainless steel weighing pan
• Durable ABS housing
• Warning for insufcient unit piece weight and sample size
• Large high contrast back-lit liquid crystal display (LCD)
• Splash proof keyboard and display
• Calibration with reference weights
• Optional RS-232c for bi-directional communication with a PC or Printer
• Multiple weighing units: g, kg, lb, oz
• 1 year limited warranty
CONTACT US
Don’t forget to visit our website at:
optimascale.com
2
SAFETY PRECAUTIONS
• To avoid damaging the battery do not keep charger plugged in once
battery is fully charged.
• Only use the provided adapter to charge this unit.
• The provided battery should be replaced when it no longer holds a
charge of over 12 hours.
• Avoid installing the balance in direct sunlight. This may cause poor
performance or malfunctions.
• If the balance will not be used for a long period of time, remove all bat-
teries from the battery compartment to avoid leakage, which may cause
damage to the instrument.
• Avoid overloading or dropping material onto the platform as that may
damage the balance.
• Please clean the display and operation panel with a wet cloth.
• Place the weight on the center of the pan for accurate weighing. Make
sure the weight is not over the Max capacity as it could damage the load
cell inside.
• Do not spill liquids on the balance as it is not water-resistant. Liquids
may damage the case and any liquid inside may cause damage to the
electronics.
• Material that has a static electric charge could inuence the weighing.
Discharge the static electricity of the samples, if possible. Another
solution to the problem is to wipe both sides of the pan and the top of
the case with an anti-static agent.
PREPARATIONS & SET UP
• Place your balance on a stable and level table. Then level your balance
by adjusting the feet to center the bubble in the spirit level (located
under the plate)
• Plug into a wall outlet to avoid interference with other wirings
• Turn on the balance while there is no load on the pan
• We suggest to warm-up the balance by turning the power on 5 minutes
before use for accurate weighing
• Calibration may be required before weighing when the balance is initially
installed or moved from a location
3
DISPLAY AND KEY DESCRIPTION
LCD DISPLAY KEYBOARD
UNITS
QUANTITY
CHECK
SAMPLE
M+
UNIT
WEIGHT
TOTAL
TARE
ZERO
CE
PLU
P0 P21
In the weighing mode there are 4 units available (kg, g, lb, oz)
Setting the counted sample numbers on the platform into the scales memory
This is for setting an upper and lower limitation alarm
In accounting mode: Accumulate counting
In setting mode: save settings and shift to the next function selection
Is used for recalling the counts data, which restored each time and total
weight, which is accumulated
In weighing mode: setting the unit weight data
In setting status: exit key
In weighing mode: Tare
In setting mode: increase value
In weighing mode: Cancel the set numerical data and input new data
In setting mode: Deleting PLU value
In weighing mode: Zero
In setting mode: decrease value
PLU unit keys, used to memorize unit weight
Used to enter PLU mode or setting PLU unit weighing mode
In PLU mode: exit key
4
OPERATING INSTRUCTIONS
Power On
• Turn on the power by ipping the switch located on the underside of the
scale to the right. Once on, the scale will show the voltage and au-
to-check by counting down from 0-9 sequentially
Zeroing
• If the screen reads any number other than 0 before weighing, press the
ZERO key to set to 0 (be sure points to ZERO)
Note: The zero range is 4% max capacity
Unit Selection
• To switch between measuring units (kg, g, lb, oz) press the [UNITS/
PRINT] key
Tare Function
• Put a container you wish to use on the pan, then press the [TARE] key
and the display will show pointing to TARE and reset back to 0
• Add your sample to the container to weigh without the weight of the
container
• To exit Tare mode simply press [ZERO] key
Note: If you remove your container the scale will show the minus weight of
the container
Sample Setting (Setting the sample weight)
There are two ways of setting a sample weight
Number Setting: for when you don’t know the weight of the object
• Press [CE] for canceling the previous unit weight and sample setting
• Place objects on the scale
• On the keypad enter how many objects you placed on the scale
• Then press [SAMPLE] key
• The scale will calculate and then show the number of your sample on
the third line
• You can now add objects to the scale and it will count them
Unit Weight Setting: for when the weight of the unit is already known
• Press [CE] for canceling the previous unit weight and sample setting
• On the keypad enter the weight of your object then press the [UNIT
WEIGHT] key. Add objects for scale to count
5
Accumulation
• Accumulation mode keeps track and adds your totals together for you
• Press [M+] to accumulate the current quantity to the total quantity
• Then press [UNIT WEIGHT] key to go back to the normal counting mode
• From there you can use the scale again and when you want to add your
total to the accumulation press [M+] (up to 99 totals can be accumulated)
• Press [CE] to clear the times of counts
Accumulation Checking
• In weighing mode press [TOTAL] key to enter the accumulation checking
mode and view the accumulation total
• Press [UNIT WEIGHT] key to go back to the normal counting mode
• Press [CE] to clear the times of counts
Quantity Check Alarm
• This function allows you to set an alarm when there are too many or too
few objects on the scale. For example you can set an alarm to go off
when you have under 10 units on the scale or an alarm when you have
over 100 units, or both at the same time
• Press [QUANTITY CHECK] key to enter the quantity check setting mode
• Turn this function On or Off by pressing the [ZERO] key
• To set a Low alarm press the [M+] Key and enter the amount you want
to set on the keypad (entering 0 disables low alarm)
• To set a High alarm press the [M+] Key again and enter the amount you
want to set on the keypad (entering 0 disables high alarm)
• Press [M+] key again to set the alarm and exit quantity check setting
mode
6
PLU Counting Function
To Use PLU keys: If you’re going to be using the same object repeatedly you
can save your sample as a PLU key.
• To use, you must be in weighing mode (make sure the symbol is not
on PLU, if you are, press [PLU] key to exit PLU mode)
• Add weight to the scale
• Press [PLU] key followed by the PLU# key you have your sample weight
saved under
• The scale should be counting based on your saved PLU sample
• Press [PLU] key to exit PLU mode
To Save an Objects Weight as a PLU# Key (P11-P21):
• In normal weighing mode (when you turn on scale), put the samples on
the pan and enter the quantity using the keypad
• Then press [SAMPLE] key
• Press [PLU]
• Press the PLU# key you want it stored on
• Press [M+]
• Press [PLU] to exit
• If you want to cancel current sample count setting, press CE key
To Clear Saved PLU#
• In PLU mode: (the symbol appears above PLU)
• Press [CE] key to enter the deleting mode
• Then press the PLU# key you want to clear
• To conrm and delete the PLU# value press [M+] to delete and exit the
PLU deleting mode
• If you don’t want to delete it, press [UNIT WEIGHT] key
7
BATTERY
• When appears on the display, you are requested to recharge the
scale for 12 hours. When the scale is recharging the mark will be
ashing and will disappear after recharging has nished
• Charging Light Indication: When the scale is charging the charge light
will turn Red. When the battery is done charging the charge light will
turn Green
ALARMS
Overloading alarm
• When the load on the platform is over 9d of the scale’s maximum
capacity, a beep will sound to alert you to remove the load from the
platform immediately
Unit Weight Alarm
• “Lack of Unit Weight” indicator will appear if the averaged unit weight or
set unit weight is not enough for accurate counting operation
Sample Number Alarm
• If the total weight of your sample is below limit value, it will indicate
lack of sample
Quantity Check Alarm
• When the quantity check function is on and you are over or under the
scale’s limitation the scale will emit beeps to warn you
• Short sounding beeps: if the quantity is over the upper limitation
• Long sounding beeps: If the quantity is less than the lower limitation
8
USER SETTINGS
User Setting Mode: In weighing mode, press both [CE] and [ZERO] to shift
enter the User Setting Mode
Selection of Anti-Shake
• In order to get faster responding speed or higher weighing stability, the
setting can be revised from a range of (1-7) the default set at 2
• The larger the value is, the higher the weighing stability will be and the
slower the responding speed will be and vice versa
• Enter the user settings and the display will show “FILT?”
• The ashing number of second line shows the present setting value
• Press [ZERO] or [TARE] to change the value
• Press [M+] to conrm the revised value or press [UNIT WEIGHT] to
cancel the revision and exit the function setting
Selection of Stable Range
• The stable range is 0-4 with default set at 3. The larger the value is the
faster the stable speed
• In User Setting Mode, select “Stab?”
• The ashing number on the second line shows the present setting value
• Press [ZERO] or [TARE] to change the value
• Press [M+] to conrm the revised value or press [UNIT WEIGHT] to
cancel the revision and exit the function setting
Selection of Zero Tracking Range
• You can change how lenient the scale is at nding the zero point
• The range is 0-6 with default set at 2. The bigger the number the more
lenient it is
• In User Setting Mode, select “Ztrc?”
• The ashing number on the second line shows the present setting value
• Press [ZERO] or [TARE] to change the value
• Press [M+] to conrm the revised value or press [UNIT WEIGHT] to
cancel the revision and exit the function setting
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