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d)
Only the manufacturer's service point may repair the
device. Do not attempt any repairs independently!
e)
In case of fire, use a powder or carbon dioxide
(CO
) fire extinguisher (one intended for use on live
2
electrical devices) to put it out.
f)
Regularly inspect the condition of the safety labels. If
the labels are illegible, they must be replaced.
g)
Please keep this manual available for future
reference. If this device is passed on to a third party,
the manual must be passed on with it.
h)
Keep packaging elements and small assembly parts
in a place not available to children.
REMEMBER When using the device, protect
children and other bystanders.
2.3. PERSONAL SAFETY
a)
Do not use the device when tired, ill or under the
influence of alcohol, narcotics or medication which can
significantly impair the ability to operate the device.
b)
The device is not designed to be handled by persons
(including children) with limited mental and sensory
functions or persons lacking relevant experience
and/or knowledge unless they are supervised by
a person responsible for their safety or they have
received instruction on how to operate the device.
c)
To prevent the device from accidentally switching on,
make sure the switch is on the OFF position before
connecting to a power source.
d)
The device is not a toy. Children must be supervised
to ensure that they do not play with the device.
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2.4. SAFE DEVICE USE
a)
Do not use the device if the ON/OFF switch does not
function properly (does not switch the device on and
off). Devices which cannot be switched on and off
using the ON/OFF switch are hazardous, should not
be operated and must be repaired.
b)
Disconnect the device from the power supply
before commencement of adjustment, cleaning and
maintenance. Such a preventive measure reduces
the risk of accidental activation.
c)
When not in use, store in a safe place, away from
children and people not familiar with the device who
have not read the user manual. The device may pose
a hazard in the hands of inexperienced users.
d)
Keep the device in perfect technical condition.
Before each use check for general damage and
especially check for cracked parts or elements and
for any other conditions which may impact the safe
operation of the device. If damage is discovered,
hand over the device for repair before use.
e)
Keep the device out of the reach of children.
f)
Device repair or maintenance should be carried out
by qualified persons, only using original spare parts.
This will ensure safe use.
g)
To ensure the operational integrity of the device, do
not remove factory-fitted guards and do not loosen
any screws.
h)
Clean the device regularly to prevent stubborn grime
from accumulating.
i)
The device is not a toy. Cleaning and maintenance
may not be carried out by children without
supervision by an adult person.
j)
It is forbidden to interfere with the structure of
the device in order to change its parameters or
construction.
k)
Keep the device away from sources of fire and heat.
ATTENTION! Despite the safe design of the device
and its protective features, and despite the use of
additional elements protecting the operator, there
is still a slight risk of accident or injury when using
the device. Stay alert and use common sense when
using the device.
3. USE GUIDELINES
The device is intended to weigh items placed on the
weighing pan. Warning! The device cannot be used for
commercial purposes.
The user is liable for any damage resulting from
unintended use of the device.
The balance should be used in a space free of wind,
corrosion, vibration, humidity and temperature variations.
The scale should avoid vibration, violent air current, direct
sunshine and high temperature.
3.1. DEVICE DESCRIPTION
2
1
3
4
5
6
2
3
1
7
1.
Weighing pan
2.
Cover
3.
Bubble level
4.
RS-232 Interface
5.
I/O (ON/ OFF)
6.
Power socket
7.
Control panel
A.
UNIT button
B.
PRINT button
C.
PCS button
D. TARE button
E.
Display
Display symbols
Tare
Tare function active
stable
Steady reading
The device is stable
Zero
Reset function active
8
Rev. 18.03.2022
Piece counting function
Piece counting
active
tola
Tola
Weighing unit: tola
lb
Pound
Weighing unit: pound
ct
Carat
Weighing unit: carat
g
Gram
Weighing unit: gram
The device is connected
AC
Power on
to power supply
3.2. PREPARING FOR USE
DEVICE USE
UNIT. Changing weighing units:
In order to change the weighing unit, press the UNIT
button, the unit symbol will change on the display.
TARE. Tare weight:
Place an empty container on the weighing pan.
When the reading is steady, press the TARE button
and the display will zero. The display will show:
•
ZERO if the value is less than ± 5% of the scale;
•
TARE if the value is more than ± 5% of the scale;
PCS. Piece counting
If required, place the container on the weighing pan
and press „TARE". While the zero function is active,
press the PCS button. The „—SAP 10—" message
will be displayed. Press the UNIT button to select
the sample size (10, 20, 50, 100, 200, 500, 1000
pieces). After selecting the number of samples, press
the TARE button to confirm. The display will show
„LOAD-C". Place the previously selected number
of samples on the weighing pan. After the steady
reading has disappeared, the sampling procedure
is completed, and you can start using the piece
counting function.
NOTE: it is best to use more samples to make the
count more accurate.
PRINT. Printing function
Pressing the button during the weighing procedure
will send the weight data to the computer.
CALIBRATION
Press and hold the TARE button for 3 seconds, the
„LOAD-2" message will be displayed. By using the
PCS key, you can select „LOAD-2", „LOAD-3" or
„LOAD-4". There are two ways to calibrate:
•
Constant load:
Press the TARE button again, a value will be
displayed, place an equivalent load on the
weighing pan. The display will show „ZERO".
Remove the load and put on a weight
corresponding to the next value indicated. After
this operation the calibration is completed.
•
Load selection:
Select „LOAD-1" using the PCS key. Press the
TARE button. While the display is flashing, press
the „PCS" button and enter the value. To change
the digit position, press the TARE button. After
moving to the last digit position, place the
selected load on the weighing pan. When the
reading stabilizes, the calibration procedure is
completed.
Rev. 18.03.2022
RS-232 TRANSMISSION METHOD
This function allows the measurement data to be
sent to any terminal or serial port. The device uses
a Simplex asynchronous serial communication (can
be changed to Duplex if necessary) of the RS232
electrical interface. The data transmission is in ASCII
code. Each data set has 10 bits. Information about
the individual bits:
bit1 bit2 bit3 bit4 bit5 bit6 bit7 bit8 bit9 bit10
BIT1: start bit
BIT2 - BIT9: data bit
BIT10: stop bit
Transmission speed: default „9600" bps.
TRANSMISSION DATA FORMAT
•
Bit 1 - 2: Operation mode:
»
WT - Weighing
»
CT - Counting
»
PC - Percentage mode.
•
Bit No. 3 - 4: Measurement status
»
OL - Overload
»
UL - Negative
»
ST - Stable
»
US - Unstable.
•
Bit No. 5 - 12: The measurement value contained in 8
bits where one bit corresponds to the sign separating
decimal from integer values (here „."); if the data does
not take up all 8 bits, a space will be used as the fill.
•
The „+" or „-" symbol is 1 bit (spaces are used instead
of the „+" symbol).
•
Bit 13 - 16: The current weight unit contained in 4
bits.
•
If the unit does not take all the 4 bits in the weighing
mode or in the percentage mode, the empty fields
will be filled with spaces.
•
Bit 17 - 18: Movement to the beginning of the current
line and a new line are marked with „0DH", „0AH".
Exemplary data transmission recording:
Weighing, steady value, 38.25g:
W T S T
3 8 .
2 5
g 0D 0A
Weighing, unsteady value, 300ct:
W T U S
3 0 0
c t
0D 0A
Counting mode, steady value, + 60:
C T S T
6 0
p c s 0D 0A
Percentage mode, steady value + 25.4:
P C S T
2 5 .
4
% 0D 0A
USE GUIDELINES
•
Do NOT leave a load on the scale for long periods of
time.
•
Avoid extreme temperatures. Do not place the unit
in direct sunlight or near air conditioning units.
•
Avoid using strong electrical or magnetic fields
during use.
•
Avoid vibration. Do not place the device near heavy
or vibrating machinery.
•
Do not place the unit close to open windows, doors
or fans that may cause unstable results due to air
currents.
•
Keep your machine clean. Do not store products on
the scale when it is not being used.
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