Campbell 21X Manual do Operador Página 154

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 191
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 153
SECTION
13.
21X MEASUREMENTS
lnstr.
4
TABLE
13.5-2.
Calculating Resistance
Values
from Bridge Measurement
Result
Instr. Muttiplier and
Offset
I rf
--
'
((x
tv)t(1-x/vx))/Rs
5
X=Rr/(R"+R1)
X
R"=Rt-
-
'1-X
1
Fl{
=-
'
(xt(1-X))/Rs
6,8,9*
X-1000[R3
/(R3 +Ra)
-Rz/(R1+R2)]
Rl
=------1-
'
(X,
/(1-X1))/R2
where
Xr
=-X/1000+R3
/(R3
+Ra)
Rz=Rr(.X2/(-Xz))
where
Xz
=
Xt
R3
=
Ra
(X3
/
(1-
X3
))
where X3
=
x / 1000 +R2
/(R1
+ Rr)
E
-
(X+
t(1-X4))/Rs
where X+
=
X3
7&9*
X=Rs
/Rr
Rs
-Rf
X
Rt
=R.
/x
Mult.
=
1A/";
ofs.
=
O
Mult.
=
Rr
Mult.
=
1A/";
ofs.
=
0
Mult.
=
1/Rs
Mult.
=
1;
ofs.
=
0
mult.
=
Rr
Mult.
=
1;
ofs.
=
0
59.
Mult.
=
1/R"; ofs.
=
0
42.
*used
for full
bridge
6 or 9.
Mult.
=
-0.001i
ofs.
=
Rg/(Rg+Ra)
g.
Mult.
=
1A/";
ofs.
=
Rs/(Rs+R+)
59.
Mult.
=
1/Rz
42.
6 or 9.
Mult.
=
-0.001i
ofs.
=
Rg/(Ra+Ra)
59.
Mult.
=
Rr
6 or 9.
Mult.
-
0.001; ofs.
=
Rzl(Rr+Rz)
59.
Mult.
=
Rn
6or9.
Mult.
=
0.001; ofs.
-
R2/(R1+R2)
Mult.
=
1/Rs
"used as
half
bridge
7
or 9.
Mult.
=
R1; ofs.
=
0
7 or 9.
Mult.
=
1/R";
ofs.
=
0
42.
X=Vx(Rs/(R"+R1))
x
/v_
R"
=Rt
-
'1-X/Vx
1
4.
59.
4.
59.
42.
5.
59.
5.
59.
42.
13-18
Vista de página 153
1 2 ... 149 150 151 152 153 154 155 156 157 158 159 ... 190 191

Comentários a estes Manuais

Sem comentários