A&D Weighing AD-4401A Digital Weighing Indicator

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A&D Weighing AD-4401A Digital Weighing Indicator

A&D AD-4401A digital weight indicator is ideal for use in industrial environments. Featuring a high performance digital filter to cancel out vibrations, providing superior accuracy in any environment. High speed sampling of 100 times per second, and high display resolution to 16,000 counts.

Large main display and sub display on the front panel are equipped with bright VFD displays to allow for quick confirmation of measurement status and data settings. Operation and setting key switch designed for easy operation.

Monitor & control weighing and batching with external or internal resolution. Fuzzy and Automatic Free Fall Compensation (AFFC) for consistently accurate batching results. Enter control set points through front keys or remotely though external thumb wheels. Sub display provides feedback on all set points & simplifies calibration. Supplementary flow function assures accurate performance on each batch. Compact DIN size housing speeds installation & reduces space. Splash proof front panel and keys (IP-65).

Specifications:

Input Sensitivity	Over 0.3µV/d (d=minimum division)
Zero Adjustment Range	0mV to 20mV (0mV/V to 2mV/V)
Load Cell Excitation	DC10V±5%, 230mA Remote sensing function included Up to 8 ✕ 350Ω load cells can be connected
Zero Temperature Coefficient	±(0.2µV+0.0008% of Dead Load)/˚C Typ.
Span temperature Coefficient	±0.0008%/˚C Typ.
Non-Linearity	0.01% of full scale
Input Noise	Less than 0.3µVp-p
Input Impedance	10MΩ and above
A/D Conversion method	Delta Sigma
A/D Resolution	1,000,000 counts
Display resolution	999,999d
Sampling Rate	100 times/sec.
Main Display	Blue Fluorescent, 7 digit 7-segment display with 13mm characters
Subdisplay	Blue Fluorescent, 8 digit 7-segment display with 7mm characters
Status Displays/Symbols	Orange rectangle marks (14)
Control I/O	6 selectable output nodes (no-voltage contact point or open collector input) 8 selectable input nodes (open collector output) maximum load voltage: DC30V maximum load current: 50mA
Standard Serial Output	20mA current loop (for use with A&D peripheral devices)
Setpoint	For Digital Switch and AD-4401-06 (setpoint unit) connection
Power Supply Voltage	AC100 to 240V (50/60Hz)
Power Consumption	Approximately 30VA
Operating Temperature	−10˚C to 40˚C
Operating Humidity	85% R.H. or less (No condensation)
External Dimensions	144(W) ✕ 72(H) ✕ 197(D) mm
Panel Cutout Dimensions	138 ✕ 68 mm
Net Weight	Approximately 1.8 kg / 4.0 lb
Warranty	2 Years

Additional Literature:
AD-4401A Brochure
AD-4401A Manual
AD-4401A Simplified Instruction Manual

Accessories:

AD-4401A-01 Parallel BCD output (open collector)
AD-4401A-03 RS-422 / 485 input / output
AD-4401A-04 RS-232C input / output
AD-4401-06 Setpoint unit
AD-4401A-07 Analog output (4-20mA)
AD-4401-10 Stainless steel side panel

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