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FA04 Digital Weighing Indicator


The amplifier is available in an aluminium housing. Weighing controllers are available in plastic, aluminium and explosion-proof housings to order. The weighing controller has built-in high performance devices, precision amplification line, internal voltage stabilisation of the line, constant current supply bridge, voltage and current conversion, impedance adaptation, linear compensation, temperature compensation, etc. The MV signal of the resistance-strain load cell is amplified into a standard current and voltage signal output of 4-20mA, 0-5V, etc., which can be received and processed directly with the control system such as the AD module of the peripheral PLC, the transmitter has The transmitter is equipped with the functions of external zero adjustment and external gain adjustment for standard signals.

For customised ranges, accuracy, dimensions and other parameters, please contact us.

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Product Features

●Used in occasions where force measurement signals need to be converted into digital communication signals, standard analog output signals and simple control
●The analog output signal can choose 4- -20mA, ±10V, 1-5V, and the digital communication interface can choose RS485 or RS232
●Double rows of 6-digit LED digital tubes respectively display real-time measurement value, peak value, output current value, and I/O status information.
●The controller has upper limit, middle limit and lower limit judgment function
●I/0 has 4 inputs and 6 outputs, and the function of input and output ports can be customized
●The drive controller can be output through the host computer, which can partially replace the PLC
●Can be used in various weighing occasions, suitable for batching scales, packaging scales, filling scales, decrement batching scales and other functional batching sites
●The power supply of the controller adopts DC24V power supply, and the voltage width is ±5V, which is safer and more stable
●Open-hole panel installation, the panel area is only 110mm (width) X62mm (height)


Technical Specifications

Optional specifications

parameter Technical Indicators
Enter range 0.4~6mV/V
Show window Solo 5 Solo 6
Display accuracy 1/10000
Output linear <0.002%
Sensor excitation voltage 5VDC±2%, 100mA (up to 6 350Ω sensor)
Power Supply DC: 9V--30V
Accept Sensitivity -3.6~+3.6m V/V 
Collection frequency  ≥100-5000HZ
Operating Temperature Range -30~60℃
Protection class IP64
Material Aluminum alloy
A/D performance 24-bit, Delta-Sigma method
Output rate 10, 40, 640, 1280 times/sec
Output port RS485+RS232/ RS485+AnalogOutput (0~±10V/0~±5V/0~20mA/ 4~20mA) (The output mode can be RS232+RS485 or RS485+analog output.)
Voltage Withstand 1 minute at 2000V AC50/60Hz
Surroundings Temperature: -10~55℃; Storage -25~65℃ Humidity: 35~85%RH; Storage 35~85%RH
Switch value 2-point relay output, 250VAC/3A resistive load 3-point transistor output, 24V/1A load capacity, 1-way input
Analog output 0~±10V, 0~20mA, 4~20mA; resolution 1/3000
Communication output RS232 interface; supports Modbus RTU protocol and free protocol
Communication output RS485 interface; up to 32 nodes in parallel; support Modbus RTU protocol and free protocol

Product Dimensions

Installation size



Product Application

Applied to tank weighing, detection weighing, packaging equipment, lithium battery liquid injection machine equipment, etc.; mobile phone earphone hole, charging hole plugging force equipment , stress test of mobile phone buttons, screen, battery, etc. 3C testing equipment; new energy lithium battery formation machine pressure test, coating machine tension test; machine tool pressure test, bridge stress test, etc.


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