• Anyload A1A amplifier with cover removed to show interior of D25 version. Exposed internal electronics are smaller than a quarter.
  • Image of a US quarter next to the internal electronics of the A1A-D25 circuit board to illustrate that the internal board is smaller than the currency

ANYLOAD A1A-D25 Load Cell Amplifier


This ANYLOAD A1A-D25 Load Cell Amplifier provides signal conditioning for a single load cell, or multiple through a junction box. Its aluminum casting enclosure offers IP66 rated ingress protection. This D25 model of the A1A amplifier has a digitizer module that includes either a RS232 or RS485 communication interface, each with MODBUS protocol.

For a quick comparison of our amplifier products, see our Load Cell Amplifier Comparison Table in our Knowledge Base.

Quantity Price
1 - 9 $326.00
10 - 24 $309.70
25 - 49 $299.92
50 - 99 $290.14
100 + $277.10
Tacuna Systems Price Match Guarantee

ANYLOAD A1A-D25 Load Cell Amplifier

The A1A-D25 amplifier has one input port to connect directly to a single 350Ω load cell. It can drive up to 4 x 350Ω (or higher resistance) load cells via a junction box. The A1A-D25 digitizer module includes both RS232 and RS485 communication interfaces with MODBUS protocol.


  • DC-powered
  • Suitable for all strain gauge bridge type load cells
  • Enclosed in aluminum casting
  • Contains 2 through holes for quick installation
  • One input port, can connect directly to 1 x 350 Ω load cell, or max 4 x 350 Ω (or higher resistance) load cells through a junction box
  • 24-bit A/D Converter, high speed processor
  • Internal digital filter and strong anti-interference ability
  • Supports 9 point multi-section linear calibration

Available options: A1A-D2507 (RS232 interface), A1A-D2508 (RS485 interface)
Please contact us with any product-related questions.

Tacuna Systems Commitment

We strive to help our diverse customer base achieve their desired outcomes. As a small business, we take great pride in providing free consultation for product design & prototyping to ensure our valued clients have the right equipment to be successful. Our engineering specialists have extensive R&D experience in strain gauge load cell technology, and we are well-known for our in-house designed customizable signal conditioners and amplifiers.


ANYLOAD A1A-D25 Load Cell Amplifier Specifications

Load Cell Type All strain gauge types
Capacity 1×350Ω directly connected or 4×350Ω+ through a junction box
Power Supply 6~24V DC
Input Range 0.8~3.9 mV/V
Output Signal RS232/RS485
Communication Protocol MODBUS
Resolution >1000000
Temperature Coefficient Better than 100ppm
Operating Temperature Range -30 to 80°C / -22 to 176°F
Excitation to Load Cell 5V

Technical Documents

ANYLOAD A1A-D25 Datasheet
Series Manual: ANYLOAD A1A 



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