SCC-SG Series Strain-Gauge Modules User Guide
42
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Quarter-Bridge Type II
To convert voltage readings to strain units use the following equation:
To simulate the effect on strain of applying a shunt resistor across R
4
, use
the following equation:
Half-Bridge Type I
To convert voltage readings to strain units use the following equation:
To simulate the effect on strain of applying a shunt resistor across R
4
, use
the following equation:
Half-Bridge Type II
To convert voltage readings to strain units use the following equation:
To simulate the effect on strain of applying a shunt resistor across R
4
, use
the following equation:
Full-Bridge Type I
To convert voltage readings to strain units use the following equation:
strain
ε
( )
4
–
V
r
GF
1 2
V
r
+
(
)
-------------------------------
1
R
L
Rg
-------
+
×
=
ε
s
4
U
GF
1 4
U
+
(
)
------------------------------
=
strain
ε
( )
4
–
V
r
GF
1
v
+
(
)
2
V
r
v
1
–
(
)
–
[
]
--------------------------------------------------------------
1
R
L
R
g
------
+
×
=
ε
s
4
U
GF
1
v
+
(
)
2
U v
1
–
(
)
–
[
]
-------------------------------------------------------------
=
strain
ε
( )
2
–
V
r
GF
------------
1
R
L
R
g
------
+
×
=
ε
s
2
U
GF
--------
=
strain
ε
( )
V
–
r
GF
--------
=
