Download Campbell CR800 Specifications

Section 3. CR800 Measurement Details
BrHalf
X = result w/mult = 1, offset = 0
X=
BrHalf3W
H
L
H
Vx
=
Rs
Rs + Rf
X = result w/mult = 1, offset = 0
X=
BrHalf4W
V1
2 V2 − V1
VX − V1
=
Rs
V2
V1
=
Rf =
X
Rs = Rf X
Rf = Rs / X
Rf
X = result w/mult = 1, offset = 0
X=
X
1− X
Rs (1 − X )
Rs = Rf
Rs
Rs = Rf X
Rf = Rs / X
Rf
L
BrFull
X = result w/mult = 1, offset = 0
X = 1000
H
L
BrFull6W
H
L
H
L
Resistance
X = result w/mult = 1, offset = 0
V
X = 1000 2
V1
⎛ R
R2 ⎞
3
⎟⎟
= 1000⎜⎜
−
⎝ R3 + R4 R1 + R2 ⎠
R1 =
X = result w/mult = 1, offset = 0
V
= Rs
Ix
R 2 (1 − X 1 )
X1
R 1 X1
R2 =
1 − X1
X 2 = X / 1000 + R 2 / ( R 1 + R 2 )
R3 =
R4 =
X=
3-18
⎛ R3
V1
R2 ⎞
⎟⎟
= 1000⎜⎜
−
Vx
⎝ R3 + R4 R1 + R2 ⎠
X1 = − X / 1000 + R 3 / ( R 3 + R 4 )
R 4 X2
1 − X2
R 3 (1 − X 2 )
X2