FUTEK CSG110 (JM-2A / JM-2AD)-Series - Manual (Page 4)

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Standard Span & Zero Adjustment
Once all of the connections are complete, you can begin to set up the sensor/amplifier
system. You will need to have the output from the CSG110 connected to a device so
you can read the voltage or current.
Zero
Span
Shunt
To set up the system, follow the steps below:
1. Apply a known load to the sensor.
2. Allow the sensor to settle.
3. Use a screwdriver to adjust the span that correlates with that load.
4. Remove the load.
5. Allow the sensor to settle.
6. Adjust the zero.
Ex. If you are applying a full load to the sensor with an excitation voltage of 10 VDC,
then you would want to adjust the output (span) to 10VDC or 20mA. If you are
applying half of the full load then you would want to adjust the span to exactly half of
the maximum. Once your span is set, check the zero. With no load applied to the
sensor, adjust the zero.
Note: Adjusting the zero and span is done by using a screw driver to adjust the
potentiometers (pots).