A&D AD-4212B Ultra-High Precision Weighing Modules
A&D AD-4212B Ultra-High Precision Weighing Modules
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A&D AD-4212B Ultra-High Precision Weighing Modules
The A&D AD-4212B Series is an ultra-high precision weighing module platform designed for applications that require analytical-grade weighing performance inside automated equipment, production systems, laboratory automation, dispensing equipment, filling systems, robotics, and enclosed process setups.
With readability options down to 0.01 mg, fast stabilization, a slim separate weighing sensor unit, standard RS-232C communication, comparator output, and a chemically resistant stainless steel weighing sensor design, the AD-4212B Series is built for engineers and laboratories that need high precision in an integrated weighing system.
Built for Analytical OEM and Automation Applications
- Laboratory automation and analytical production weighing
- Automated dispensing, dosing, filling, and formulation systems
- Robotic weighing and small-part inspection
- Pharmaceutical, chemical, biotech, cosmetics, food, cannabis, and industrial QC workflows
- Compact OEM machinery, enclosed systems, and custom equipment builds
Why Choose the A&D AD-4212B Series?
- Analytical-grade precision: Designed for applications that require higher precision than standard industrial weighing modules.
- High-resolution weighing: Models are available with readability down to 0.01 mg, depending on configuration.
- Fast stabilization: Supports high-throughput production and automated weighing workflows.
- Slim weighing sensor unit: The compact 80 mm wide weighing unit is suitable for tight equipment layouts and enclosed installations.
- Separate display/control unit: Allows the weighing unit and operator/control area to be positioned separately in the system design.
- Vacuum chamber suitability: Designed for installation and weighing in vacuum chamber applications where appropriate system design is used.
- Stainless steel weighing sensor: Chemically resistant sensor construction helps support demanding laboratory and production environments.
- Standard communication: RS-232C serial interface supports connection to PCs, printers, controllers, data systems, and automation setups.
- Comparator output: Supports tolerance-based weighing, pass/fail checks, and production control workflows.
- Adjustable response characteristics: Helps users balance weighing speed and stability in environments affected by drafts or vibration.
- Canadian A&D support: A&D Weighing Wholesale Canada supplies AD-4212A precision weighing modules in Canada through our network of Canadian dealers from coast to coast.
Available AD-4212B Models
| Model | Capacity | Readability | Stabilization Time | Best Fit |
| AD-4212B-101 | 31 g / 110 g dual range | 0.01 mg / 0.1 mg | Approx. 4.0 sec / 2.5 sec | Flexible analytical weighing where both fine resolution and higher capacity are needed |
| AD-4212B-102 | 110 g | 0.01 mg | Approx. 4.0 sec | Consistent 0.01 mg readability across a 110 g capacity range |
| AD-4212B-201 | 210 g | 0.1 mg | Approx. 2.5 sec | Higher-capacity analytical production weighing and dispensing workflows |
| AD-4212B-301 | 310 g | 0.1 mg | Approx. 2.5 sec | Larger samples that still require analytical-grade 0.1 mg precision |
Legacy Model Note
The AD-4212B-23 is listed by A&D as discontinued. If you are replacing an existing AD-4212B-23 or need 1 µg readability, contact us before ordering so we can help confirm availability, replacement options, or whether another AD-4212 series model is a better fit.
AD-4212B Series Specifications
| Product Type | Ultra-high precision weighing module / analytical weighing sensor system |
| Series | A&D AD-4212B Series |
| Current Official Models | AD-4212B-101, AD-4212B-102, AD-4212B-201, AD-4212B-301 |
| Capacity Range | 31 g / 110 g dual range up to 310 g, depending on model |
| Readability Range | 0.01 mg to 0.1 mg depending on model and range |
| Typical Stabilization | Approx. 2.5 to 4.0 seconds depending on model and range, when set to FAST under suitable conditions |
| Weighing Pan | Ø34 mm or 50 x 50 mm depending on model |
| Sensor Unit Width | 80 mm compact weighing sensor unit |
| Interface | RS-232C serial interface standard |
| Comparator Output | 3-level or 5-level comparator contact output with buzzer |
| External Input | External contact input for RE-ZERO and PRINT |
| Common Applications | Laboratory automation, analytical OEM systems, dispensing, filling, formulation, robotics, checkweighing, and production weighing |
Engineering and Integration Notes
The AD-4212B Series is intended for users who need analytical weighing performance inside a machine or production system. It is different from a standard bench balance because the weighing sensor unit can be installed into custom fixtures, compact automation cells, guarded enclosures, and process equipment.
For best performance, the module should be installed in a stable mechanical setup with proper vibration control, draft protection, static control, grounding, and suitable sample handling. For robotic or actuator-based loading, the system design should avoid shock loading, side loading, pan impact, over-travel, and contact with surrounding fixtures.
Need PLC, HMI, or Network Integration?
The AD-4212B Series includes RS-232C communication as standard. Optional interface and accessory options may be available for Ethernet, BCD output, extension cable requirements, data collection, printing, and PC connectivity. Contact us before ordering if your project requires PLC, HMI, Ethernet, data logging, or custom automation integration.
Common Questions About the AD-4212B Weighing Module
What is the A&D AD-4212B used for?
The AD-4212B is used to add ultra-high precision weighing into automated equipment, laboratory automation systems, OEM machinery, robotic weighing cells, dispensing systems, filling systems, and production inspection workflows.
What is the difference between the AD-4212A and AD-4212B?
The AD-4212A Series is commonly used for standard precision production weighing from 0.1 mg to 1 mg readability. The AD-4212B Series is intended for higher-precision analytical applications, with models offering readability down to 0.01 mg.
Is the AD-4212B a load cell?
The AD-4212B is better described as a precision weighing module or analytical weighing sensor system. It provides balance-level weighing performance with a separate weighing unit, display/control unit, and communication output, making it different from a basic load cell that requires separate signal conditioning and weighing electronics.
Which AD-4212B model should I choose?
Choose the AD-4212B-101 if you need a dual-range model with 0.01 mg readability up to 31 g and 0.1 mg readability up to 110 g. Choose the AD-4212B-102 if you need 0.01 mg readability across a 110 g capacity. Choose the AD-4212B-201 or AD-4212B-301 when 0.1 mg readability is acceptable and a higher capacity is required.
Can the AD-4212B connect to a PC or PLC?
Yes. The AD-4212B includes RS-232C communication as standard. Depending on the control system, additional hardware, interface options, or programming may be required for PLC, HMI, Ethernet, or plant-level data collection.
Is the AD-4212B suitable for robotics?
Yes, the AD-4212B can be used in robotic weighing and automated handling systems when the mechanical design protects the weighing module from impact, side loading, over-travel, vibration, drafts, and static.
Can the AD-4212B be used in a vacuum chamber?
Yes, the AD-4212B Series is designed for installation and weighing in vacuum chamber applications. Contact us before ordering to confirm the correct setup, cabling, accessories, and application requirements.
Is the AD-4212B-23 still available?
The AD-4212B-23 is listed by A&D as discontinued. If you are replacing an existing AD-4212B-23 or need 1 µg readability, contact us to review availability and replacement options.
Where can I buy the A&D AD-4212B in Canada?
A&D Weighing Wholesale Canada supplies AD-4212A precision weighing modules in Canada through our network of Canadian dealers from coast to coast.
Need Help Selecting an AD-4212B Module?
Choosing the right AD-4212B weighing module depends on your capacity, readability, cycle time, sample handling method, environment, communication requirements, fixture design, and automation controls.
Contact us before ordering if you are building the AD-4212B into laboratory automation, OEM equipment, robotics, filling systems, dispensing systems, or inline production machinery.
Caractéristiques du produit
Caractéristiques du produit
