1
3
2
5
6
4
1
3
2
4
5 6
9
13
10
14
12
7 8
L
(+)
N
(–)
1
2
3
7
1
2
3
F
ig
.
6
:
T
wo
-
point control
1
R
elay output
2
P
ower supply
3
T
ransistor output
4
M
ass
5
M
ax
.
6
M
in
.
7
P
robe
,
e
.
g
.
EL
3
N
ote
:
M
utiple rod probes connected to several signal conditioning instru
-
ments or to a multiple channel instrument need a ground rod to keep
the signal conditioning instruments from in
fl
uencing each other
.
T
wo
-
point control
(
min
./
max
.
control
)
VEGATOR
631
E
x
•
S
ignal conditioning instrument
15
5
C
onnecting to power supply
23440
-
EN
-
090130
