Original price was: $16,605.00.$6,998.00Current price is: $6,998.00.
Discontinued by A&D, still in stock here. The replacement is the A&D AD-4212D-33.
Shop the A&D AD-4212D-33 (replaces the AD-4212B-23)
A&D AD-4212B-23 weigh module: 21 g × 0.001 mg, built to mount in production lines, filling machines, and enclosures.
- 21 g × 0.001 mg (1 µg), linearity ±0.01 mg
- Repeatability 0.003 to 0.004 mg
- Slim 80 mm stainless sensor, separate display unit
- RS-232C and LAN/Ethernet output with WinCT software
- E2-equivalent calibration weight and stainless breeze break included
Add calibration with certificate:
Add In-House Calibration + Certificate ($95) Add NIST Calibration + Certificate ($395)
Description
A&D AD-4212B-23 Weigh Module: 21 g × 0.001 mg for Production Lines
A&D has discontinued the AD-4212B-23. We still have it in stock. A&D’s replacement for 1 µg weighing is the A&D AD-4212D-33, with 32 g capacity, 0.001 mg readability, and internal calibration.
The A&D Weighing AD-4212B-23 is a 1-microgram weigh module for production lines. It weighs up to 21 g in 0.001 mg (1 µg) steps. The slim stainless sensor mounts in a machine or enclosure, and the display unit mounts on a wall or panel.
Key Features
- 21 g × 0.001 mg (1 µg), linearity ±0.01 mg
- Repeatability 0.003 to 0.004 mg
- Slim 80 mm stainless sensor, separate display unit
- RS-232C and LAN/Ethernet output with WinCT software
- E2-equivalent calibration weight and stainless breeze break included
- 3- or 5-level comparator output, GLP/ISO data output
Applications
Automated Dosing and Filling
Weigh powders, liquids, and coatings inside filling and dispensing machines, with data sent straight to the controller.
Electronics, Batteries, and Pharma
Check small components, electrolyte fills, and tablet or capsule weights on the line.
Enclosures and Glove Boxes
The slim sensor fits inside enclosures, isolators, and test rigs where a full balance won’t.
A&D AD-4212B-23 Specifications
| Brand / Series | A&D Weighing / AD-4212B (discontinued) |
|---|---|
| Model (MPN) | AD-4212B-23 |
| Capacity | 21 g |
| Readability | 0.001 mg |
| Repeatability (std. dev.) | 0.003 mg (0 to 10 g), 0.004 mg (10 to 21 g) |
| Linearity | ±0.01 mg |
| Stabilization time | Approx. 12 seconds (FAST) |
| Weighing pan | Ø34 mm (1.3 in) |
| Replacement | A&D AD-4212D-33, 32 g × 0.001 mg |
| Sensor | Super Hybrid Sensor (SHS), separate stainless steel weighing unit (80 mm wide) |
| Display unit | Separate LCD display unit, wall or panel mountable, approx. 2 m cable to the weighing unit |
| Interface | RS-232C (bi-directional) and LAN/Ethernet; WinCT software |
| Comparator | 3- or 5-level comparator contact output with buzzer |
| Calibration | External; OIML Class E2-equivalent calibration weight included |
| Breeze break | Stainless steel breeze break included |
| Weighing unit dimensions (W × D × H) | 80 × 230 × 90 mm (3.1 × 9.0 × 3.5 in) |
| Power | AC adapter, approx. 15 VA |
| Operating environment | 5 to 40 °C (41 to 104 °F), 85% RH or less |
| Warranty | A&D manufacturer warranty |
What’s in the Box
- A&D AD-4212B-23 weighing unit and display unit
- Ø34 mm pan, stainless breeze break
- Calibration weight (OIML E2 equivalent)
- AC adapter, WinCT CD-ROM, instruction manual
Calibration Options from MNM Scales
Get your AD-4212B-23 calibrated and ready to use on day one. Add either option to your order, and our TDA-licensed technicians calibrate it in-house before it ships:
- In-house calibration with certificate, using NIST-tested weights: $95. We calibrate and verify your AD-4212B-23 with NIST-tested weights and include a calibration certificate, so it arrives set up and accurate. Add $95 calibration to cart
- NIST calibration with a NIST-traceable certificate: $395. Full calibration documented on a NIST-traceable certificate, for production lines and audits that need a paper trail. Add $395 NIST calibration to cart
We also recalibrate scales and balances you already own, by mail-in or in our shop, with on-site service across Houston and the surrounding area. Request calibration or call (832) 290-3120.
Frequently Asked Questions
Is the A&D AD-4212B-23 discontinued?
Yes. A&D discontinued the AD-4212B-23 and points 1 µg applications to the AD-4212D-33. We still have the AD-4212B-23 in stock.
What replaced the AD-4212B-23?
The A&D AD-4212D-33: the same 0.001 mg readability with more capacity (32 g) and internal calibration.
Can it connect to a PLC?
Yes. It outputs over RS-232C or LAN/Ethernet.
Can MNM Scales calibrate the AD-4212B-23 before it ships?
Yes. Choose in-house calibration with a certificate, using NIST-tested weights, for $95, or NIST calibration with a NIST-traceable certificate for $395.
Why Buy Your A&D Weigh Module from MNM Scales?
MNM Scales is an authorized A&D Weighing dealer and one of the largest scale distributors in the country, with one of the largest selections of balances and scales in every category. We offer free shipping in the continental U.S., in-house calibration and certificates, and real help choosing the right model from our Houston-area team. Wholesale and volume buyers can contact us for a quote.
Additional information
| Weight | 0.9375 kg |
|---|---|
| Brand | AND Weighing |










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