Resistance Measurements With Voltage Excitation - Campbell CR300 Series Product Manual

analog input terminals configured for single-ended (SE) or differential (DIFF) input. The result of
the measurement is a ratio of measured voltages.
See also Resistance measurement specifications

14.3.1 Resistance measurements with voltage excitation

CRBasic instructions for measuring resistance with voltage excitation include:
BrHalf() - half bridge
l
BrHalf3W()
l
BrHalf4W()
l
BrFull()
- four-wire full bridge
l
BrFull6W()
l
See the CRBasic Editor help for detailed instruction information and program examples:
https://help.campbellsci.com/crbasic/cr300/.
Resistive-Bridge Type and
Circuit Diagram
Half Bridge
Three Wire Half Bridge
- three-wire half bridge
- four-wire half bridge
- six-wire full bridge
CRBasic Instruction and
Fundamental Relationship
1
CRBasic Instruction:
Fundamental Relationship:
1,2
CRBasic Instruction:
Fundamental Relationship:
(p. 189).
BrHalf()
BrHalf3W()
Relational Formulas
14. Measurements 73