Operator`s manual

SECTION 13. 21X MEASUREMENTS
13-18
TABLE 13.5-2. Calculating Resistance Values from Bridge Measurement
Instr. Result Instr. Multiplier and Offset
4
XVR R R
xs s f
=+(/( ))
RR
XV
XV
sf
x
x
=
−
/
/1
4.
59.
Mult. = 1/V
x
; ofs. = 0
Mult. = R
f
R
XV XV R
f
xxs
=
−
1
1((/)/( /))/
4.
59.
42.
Mult. = 1/V
x
; ofs. = 0
Mult. = 1/R
s
5
XR R R
ssf
=+/( )
RR
X
X
sf
=
−1
5.
59.
Mult. = 1; ofs. = 0
mult. = R
f
R
xXR
f
s
=
−
1
1(/( ))/
5.
59.
42.
Mult. = 1; ofs. = 0
Mult. = 1/R
s
; ofs. = 0
6,8,9*
XRRRRRR−+−+1000
334 212
[/( ) /( )]
*used for full bridge
R
XXR
1
12
1
1
1
=
−(/( ))/
6 or 9.
8.
59.
42.
Mult. = -0.001; ofs. = R
3
/(R
3
+R
4
)
Mult. = 1/V
x
; ofs. = R
3
/(R
3
+R
4
)
Mult. = 1/R
2
where X = -X / 1000 + R / (R + R )
1334
RRX X
212 2
1=−(/( ))
6 or 9.
59.
Mult. = -0.001; ofs. = R
3
/(R
3
+R
4
)
Mult. = R
1
where X X
21
=
RRX X
343 3
1=−(/( ))
6 or 9.
59.
Mult. - 0.001; ofs. = R
2
/(R
1
+R
2
)
Mult. = R
4
where X X R R R
3212
1000=++//()
R
XXR
4
443
1
1
=
−(/( ))/
6 or 9.
59.
42.
Mult. = 0.001; ofs. - R
2
/(R
1
+R
2
)
Mult. = 1/R
3
where X X
43
=
7&9*
XR R
sf
= /
*used as half bridge
RRX
sf
−
7 or 9.
Mult. = R
f
; ofs. = 0
RRX
fs
= /
7 or 9.
42.
Mult. = 1/R
s
; ofs. = 0