... 0-20mA or 4-20mA (Optional)Voltage output ------ 0-3.3V, 0-5V or 0-10V (Optional)Working temperature ... is used to connect load cell, and the 3-pin connector is for power supply and signal output ... cell to the amplifier through 4-pin connector, power the amplifier through 3-pin connector, and use a universal meter ... “1” to get the output signal you wantStep 3 ---- Add full load on the load cell and ...