BL224 Touch
Electronic Analytical Balance
USER MANUAL
ⅠAbout the Balance
Specification
Model
Range
Division
Repeatability
Linearity
Pan Size
BL224
Touch
220g
0.1mg
0.2mg
0.5mg
ø 80mm
Features
Stainless Steel Pan
Super 5 inch Touch panel display
RS232 Interface
Mains adapter supplied as standard
Windshield supplied as standard
Height adjustable feet
Internal Auto Calibration
Selectable measure units:mg, g, oz, ct
Memory for accumulated time
Applications
Weighing
Net weight / tare
Below balance weighing
Piece counting function
Density Test
Percentage Test
9.1 DATA OUTPUT
1
Model or a decimal point
2
A space or a decimal point
3
A space or *
4
+ or - or a decimal point
5
data 6 Data or a decimal point
7
Data or a decimal point
8
Data or a decimal point
9
Data or a decimal point
10
Data or a decimal point
11
Data or a decimal point
12
Data
13
Unit 1
14
Unit 2
15
Unit 3
16
Enter
17
Wrap
We can choose the suitable baud rate and communication style for
different print or connect to the computer
08
8.1 FAULT JUDGMENT
If you come across any problem, you can check the
reasons.
FAULT
RESON
EXCLUDE
No display
Not connected to the power
supply;
Fuse is broken;
Power supply damaged;
Plug in the power line;
Replace the fuse;
Replacement of power transformer;
Contact factory
Weighing
unstable
Bad working conditions;
The wind screen is open；
Something between the
table and balance；
The power unstable；
Weighing unstable；
Keep the environment stable, close
the windows and doors；
Close the glass door；
The weighing
is wrong
The balance not calibrated.
No tare before weighing.
No well leveled.
Calibration.
Tare before weighing.
Adjust the level feet.
07
ⅡSETTINGS
TABLE OF CONTENTS
1.0 KNOW YOUR BALANCE
2.0 SPECIFICATIONS
3.0 UNPACKING THE BALANCE
4.0 CALIBRATION
5.0 LOCATING THE BALANCE
6.0 SETTING UP THE BALANCE
6.1 ASSEMBLING THE BALANCE
6.2 LEVELLING THE BALANCE
7.0 OPERATION SETTINGS
7.1 SENSITIVITY SETTING
7.2 SPEED SETTING
7.3 WEIGHING UNIT SETTING
7.4 COUNTING FUNCTION
7.5 PERCENTAGE FUNCTION
7.6 DENSITY FUNCTION
8.1 FAULT JUDGMENT
9.1 DATA OUTPUT
1.0 KNOW YOUR BALANCE
Thank you for selecting the BL 224 Touch Analytical Balance.
This Instruction Manual will guide you of the installation, accessories,
trouble-shooting, after sales service information, general maintenance of the
balance, etc. it will also guide you through the various applications.
Please read this Manual thoroughly before starting the operations. If you need
any clarifications, feel free to contact us.
The BL 224 Touch balances are ideal for laboratory and general purpose
weighing. The balances can also be used for some advanced weighing
functions.
FEATURES:
Stainless Steel Pan
Super bright LCD display with backlight
RS232 Interface
Adapter supplied as standard
Windshield supplied as standard
Height adjustable feet, Bubble Level
Internal Auto Calibration
Selectable measure units, g, oz, ct,mg
Memory for accumulated time
Weighing function
Piece counting function
Below balance weighing
01
7. 5 PECENTAGE FUNCTION
Check the weight percentage function:
1.Choose the 100% which you will put on the pan
2.Touch the weighing value you want weighing, here is the sample weight,
after the weighing stable touch again, the result will check and store.
3.Touch here and weighing the total weight, and touch again check the
weight.
4.The percentage will be show here.
7. 6 Density Function.
Same operation with density function, just touch the air weight and weighing
in the air, then weighing in the liquid, the result will show in the display.
06
7.2 SPEED SETTING
---Highest Speed --Normal Speed --Low Speed
7.3 WEIGHING UNIT SETTING
Under the weighing state, press “CONVERSION” to choose the unit.
There are 4 units :g/ct/oz/mg.
7. 4 COUNTING FUNCTION
There are counting functions in the balance, And please keep the products
have the same weight, and the minimum weight must be ≥0.5mg.
1.Choose the sample quantity which you will put on the pan
2.Touch the weighing value you want weighing,here is the sample weight,after
the weighing stable touch again, the result will check and store.
3.Touch here and weighing the total weight, and touch again check the weight.
4.The quantity will be show here.
05
2.0 SPECIFICATIONS
Model
BL224 Touch
Range
0-220g
Division
0.1mg
Repeatability
0.2mg
Linearity
0.3mg
Resp. Time
≤ 4 Sec.
Pan Size
ø80mm
Interface
RS-232 bi-directional
Overall
Dimensions
340 x 215 x 350mm
Operating
temperature
+10°C to 40°C
Power Supply
Output voltage 5 VDC, 600mA through
External Power Adapter as standard (Input Voltage220 V)
Net Weight
8.5 kg
3.0 UNPACKING THE BALANCE
Remove the balance from the packing by carefully lifting it out of the box.
Inside the box you will find everything needed to start using the balance
4.0 CALIBRATION THE BALANCE
Press”CAL” key, and it will show and shining: CAL-XXX.XXXX,and the
balance begin internal calibration.
You also can choose manual calibration with standard weight, and there will
have the notes tell you step by step:
02
5.0 LOCATING THE BALANCE
• The balance should not be placed in a location that will reduce the accuracy.
• Avoid extremes of temperature. Do not place in direct sunlight or near air
conditioning vents.
• Avoid unsuitable tables. The table or floor must be rigid ,no vibration.
• Avoid unstable power sources. Do not use near large users of electricity
such as welding equipment or large motors.
• Do not place near vibrating machinery.
• Avoid high humidity that might cause condensation. Avoid direct contact
with water. Do not spray or immerse the balances in water.
• Avoid air movement such as from fans or opening doors. Do not place near
open windows or air-conditioning vents.
• Keep the balance clean. Do not stack material on the balances when they
are not in use.
6.0 SETTING UP THE BALANCE
6.1 ASSEMBLING THE BALANCE
• Locate balance on solid surface, free from vibration
• Open the sliding door and gently place the stainless steel top.
• Level balance using the adjustable feet and the bubble level
• Connect the power to the balance
• For best performance, let the balance warm up for 30-60 min. and calibrate
before using
6.2 LEVELLING THE BALANCE
After placing the balance in a suitable place, level it by using the bubble level.
To level the balance turn the two adjustable feet at the rear of the balance until
the bubble in the bubble level is center.
03
7.0 OPERATION SETTINGS
1.State Icon 2. Function State 3.Weighing Digits
4.Notes 5.Operation Keys
7.1 SENSITIVITY SETTING
--Highest Sensitivity -Normal Sensitivity -Sensitivity
04
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