MTS Model FlexTest SE - Manual (Page 99)

Full-Range Digital Universal Conditioner (FRDUC)
Models FlexTest® IIm/GT/SE Controller Hardware FlexTest GT Controller Connections 99
Bridge balance R32 changes the offset of the bridge balance circuit. If the zero offset is too large
when the sensor bridge is balanced, you should add an appropriately sized
resistor.
Default (No Resistor)
Positive Offset
Negative Offset
R32