Anyload A2A-D2 Manual do produto - Página 6

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5.2 Zero Calibration

1. Remove weights from load cell or scale like hooks, plate, tare, etc

2. If current signal output is desired, set the output current to 4.00mA

by djusting the potentiometer ZERO

If voltage signal output is desired, set the output voltage to 10.00V

by adjusting the potentiometer ZERO

Note1: When adjusting the potentiometer to set zero, slightly rotate

clockwise or counter clockwise the potentiometer's screw. For higher

accuracy output, it is recommended to set zero to 4.00mA or 10.00V

Note2: The tare weight shall not exceed 20% full scale capacity of scale

or load cell

Note3: When it gives output a complimentary signal (negative voltage),

remove the load first then do zero calibration.

5.3 Span Calibration

1. Apply load up to the max capacity of the load cell or scale ( max

load can be at least 80% of the max capacity of load cell or scale)

2. If current signal output is desired, set the output current to

20.00mA by adjusting the potentiometer SPAN

If voltage signal output is desired, set the output voltage to

10.00V (-10.00v) or 5.00V (-5.00V) by adjusting the potentiometer

SPAN

If the gain range is not suitable after the above 2 steps, change the

Gain range ( 4-bit DIP switch ) and recalibrate

Note1: For higher accuracy of SPAN output, it is recommended to repeat

steps in Zero Calibration and then Span calibration ( steps 5.2 & 5.3 )

multiple times until you reach your desired output

Note2: Potentiometers IN1 & IN2 shall be adjusted if the amplifier is

applied of having multiple input load cells or scales. When multiple load

cells are connected, the maximum difference in sensitivity between each

load cell shall not exceed 3%.

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ANYLOAD A2A-D2 Amplifier Product Manual (V1810)