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1. INTRODUCTION
This manual describes how the AD-4212A/B series balance works and how to get the most out of it in
terms of performance.
Read this manual thoroughly before using the balance and keep it at hand for future reference.
1-1 Features
Separate Weighing Unit and Display (standard connection cable length 2 m), suitable for
building into a production line system. The weighing unit is compact, with a width of 80 mm.
High Resolution and High Response Speed
Model Weighing capacity Minimum weighing value Stabilization time *1
AD-4212A-100 110 g 0.1 mg 1.1 to 1.3 seconds
AD-4212A-200 210 g 0.8 to 1.0 second
AD-4212A-600 610 g
AD-4212A-1000 1100 g
1 mg
0.9 to 1.1 seconds
AD-4212B-101 110 g / 31 g 0.1 mg / 0.01 mg 2.5 / 4.0 seconds *2
AD-4212B-102 110 g 0.01 mg 4.0 seconds *3
AD-4212B-201 210 g
AD-4212B-301 310 g
0.1 mg 2.5 seconds
*1 With FAST selected under good environment
*2 The AD-4212B-101 is equipped with a smart range function. When the minimum
weighing value is set to 0.01 mg and the weight value exceeds 31 g, the minimum
weighing value will switch to 0.1 mg automatically. Even under this circumstance,
pressing the RE-ZERO key tares the value and weighing with the minimum weighing
value of 0.01 mg is available up to 31 g.
*3 2.5 seconds when the minimum weighing value is 0.1 mg.
Standard RS-232C Serial Interface / Standard Comparator Contact Output (*4 )
Using the RS-232C serial interface, weighing data can be output to external devices and the
balance can be controlled by external devices.
Using comparator contact output, the weight value is compared to the preset upper/lower limit
values and the results are displayed as HI, OK or LO. The buzzer is also available in response
to the results.
The RE-ZERO operation is possible using a signal from an external contact input, which allows
easy system construction. (This function is only available when the external contact input is
installed on the standard interface or OP-01.)
*4 AD-4212A series balance: 3-level output.
AD-4212B series balance: 3-level or 5-level output, switched by the function table setting.
Data Memory Function, storing weighing data, calibration data, unit mass in the counting mode
or upper/lower limit values. Once stored, selection of the upper or lower limit value is easy.
Dust-protected and Protected Against Splashing Water (Complying with IP54)