AD-4212B Series
Weigh Modules
AD-4212B Series Analytical Weighing Sensors  
Information Library
PDFBrochure (PDF 1.5MB)
The AD-4212B-23 was discontinued. For requirements for a weigh module with 1 µg readability, please refer to the AD-4212D-33/32.
PDFManual (PDF 3.1MB) OP-08(PDF 192KB)
PDFManual for WinCT-Plus (PDF 1.40MB)
External Calibration Super Hybrid Sensor Reverse Backlit LCD RS-232C Interface GLP Compliant Time and Date Data Memory Function Counting with ACAI Percentage Function Comparator Function Auto Power ON Software Smart Range
Ethernet (TCP/IP) interface                            
Fast stabilization of 4.0 seconds for 0.01 mg readability
Suitable for installation and weighing in vacuum chambers
Slim separate weighing sensor unit (80 mm width) for compact setups
Protection mechanism against vertical and transverse overloading due to actuator malfunctions, etc.
Adjustable response characteristics to help cope with the effect of drafts and vibrations
Multiple weighing units: g, mg, oz, ozt, ct, mom, dwt, grain, (either tael or tola can be added upon request)
Automatic zero display after data output
Wall/panel-mountable display unit
Possible to create your own weighing pan
Five-level comparator contact output with buzzer
Chemically resistant, stainless steel* sensor unit
GLP/GMP/GCP/ISO compliant output
Clock and calendar function
Data memory function
Counting mode with the Automatic Counting Accuracy Improvement (ACAI) function
Percent mode function
Auto power on function
Securable to a base using the provided mounting fixtures
Stainless steel breeze break
Comes with a free calibration weight (OIML Class E2 equivalent)
Windows Communication Tools software (WinCT) on CD-ROM

* SUS304 for the body and SUS316 for the weighing pan
External Input/Output
RS-232C serial interface, 3-level/5-level comparator contact output with buzzer, and external contact input for RE-ZERO and PRINT (standard)
BCD output and external contact input for RE-ZERO and ON/OFF (AD4212A-01, optional)
Ethernet (TCP/IP) interface (AD4212A-08, optional)
AD-4212A-01 : BCD output/External contact input
AD-4212A-07*** : Extension cable (3 m)
AD-4212A-08 : Ethernet (TCP/IP) interface
AD-4212A-19 : Stainless steel breeze break (comes as standard but also available as an option)
AD-4212A-20 : Metal leveling foot

** Only one of AD-4212A-01, AD-4212A-08, or the standard interface can be used.
*** Only one extension cable (AD-4212A-07) can be used. The maximum cable length between the display unit and the weighing unit is 5 m (2 m standard cable + 3 m extension cable).
AD-1683 : Static eliminator
AD-1684A : Electrostatic field meter
AD-1687 : Weighing environment logger
AD-1688 : Weighing data logger
AD-1689 : Tweezers for calibration weight
AD-8118C : Universal printer
AD-8127 : Compact printer
AD-8527 : Quick USB adapter
AX-KO1710-200 : RS-232C cable (25P-9P)
AX-USB-25P : RS-232C/USB converter with cable
Model AD-4212B-101 AD-4212B-102 AD-4212B-201 AD-4212B-301
Capacity 31 g / 110 g*** 110 g 210 g 310 g
Readability 0.01 mg / 0.1 mg*** 0.01 mg 0.1 mg
Stabilization time (when set to FAST under a good environment) Approx. 4.0 sec
/ 2.5 sec
Approx. 4.0 sec Approx. 2.5 sec
(Standard deviation)
0.2 mg 0-30 g: 0.02 mg
30-100 g: 0.04 mg
0.1 mg 0.2 mg
Linearity ±0.05 mg / ±0.2 mg ±0.1 mg ±0.2 mg ±0.3 mg
Sensitivity drift (10 °C to 30 °C) ±2 ppm/ °C
Weighing pan Ø34 mm 50 mm × 50 mm
*** Smart range function: The display will switch to the standard range automatically when the value exceeds 31 g but return to the precision range when RE-ZERO (tare) is performed.
**** Repeatability for a 1 g mass using an automatic loading machine.

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