ELECTRONIC ANALYTICAL BALANCE (JA MODEL)

Product catalog summary

About the Balance
The JA Series Analytical Balance is designed for laboratory and general-purpose weighing, offering advanced functions. Key features include a stainless steel pan, super bright LCD display with backlight, RS232 interface, auto calibration, and selectable measurement units (mg, g, oz, ct). The balance also supports piece counting and below balance weighing.

Specifications
The balance models range from JA203 to JA1003, with capacities from 200g to 1000g, all having a division and repeatability of 1mg, and linearity of 3mg. The pan sizes vary from Ø80mm to Ø100mm. The balance operates within a temperature range of +10°C to 40°C and requires an external power adapter.

Unpacking and Setup
Upon unpacking, ensure all components are present. For setup, place the balance on a stable surface, level it using the adjustable feet and bubble level, and connect the power. Allow a warm-up period of 30-60 minutes before calibration.

Calibration
Calibration is necessary when accuracy is compromised. Ensure the balance is in a stable environment, warm it up for over an hour, and follow the calibration steps using the 'CAL' key.

Locating the Balance
Place the balance in a location free from temperature extremes, vibrations, unstable power sources, and high humidity. Avoid direct sunlight, air conditioning vents, and vibrating machinery.

Operation Settings
Settings include sensitivity, speed, and weighing unit adjustments. Sensitivity can be set from poorest to high, speed from low to highest, and units can be selected as needed.

Fault Judgment
Common issues include no display, unstable weighing, and incorrect digits. Solutions involve checking power connections, ensuring stable environments, and performing calibration.

Data Output
The balance provides a structured data output format, including model, data, and units.

Counting Function
The balance includes a counting function for items with a minimum weight of ≥0.5mg. Follow the menu prompts to use this feature effectively.

Catalog excerpts

ELECTRONIC ANALYTICAL BALANCE (JA MODEL)

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Model or a decimal point A space or a decimal point Data or a decimal point Data or a decimal point Data or a decimal point Data or a decimal point Data or a decimal point Data or a decimal point Features Stainless Steel Pan Super bright LCD display with backlight RS232 Interface Mains adapter supplied as standard Windshield supplied as standard Height adjustable feet Auto Calibration Selectable measure units:mg, g, oz, ct Memory for accumulated time Applications Weighing Net weight / tare Below balance weighing Piece counting functio

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ELECTRONIC ANALYTICAL BALANCE (JA MODEL)-3

8.1 FAULT JUDGMENT If you come across any problem, you can check it by you self and find the reasons. FAULT Replacement of power transformer; Power transformer damage; Contact factory Keep the environment stable,close The wind screen is open； Close the glass door； Plug in the power line; Take away the things； Connect the stable power； Weighing unstable； The weighing digitsis wrong Not tare before weighing. Tare before weighing. Adjust the level feet. 1.0 KNOW YOUR BALANCE 2.0 SPECIFICATIONS 3.0 UNPACKING THE BALANCE 4.0 CALIBRATION THE BALANCE 5.0 LOCATING THE BALANCE 6.0 SETTING UP THE BALANCE...

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ELECTRONIC ANALYTICAL BALANCE (JA MODEL)-4

1.0 KNOW YOUR BALANCE Thank you for selecting the JA Series 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 JA 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...

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ELECTRONIC ANALYTICAL BALANCE (JA MODEL)-5

7.2 SPEED SETTING Keep pressing ON, when “speed” 2.0 SPECIFICATIONS will show in the display, ----Highest Speed Range -----High Speed Division Repeatability -----Normal Speed Resp. Time press →0/T← to save setting Tare Range Overall Dimensions Operating temperature Power Supply External Power Adapter as standard (Input Voltage220 V) Net Weight 7.3 WEIGHING UNIT SETTING Keep pressing ON, when Unit is shown ,Then operation as blow: 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...

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ELECTRONIC ANALYTICAL BALANCE (JA MODEL)-6

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 and not vibrate. • 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...

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