Comptus A70-R, Инструкция по эксплуатации, Страница: 4 / 14

4
Table 1
Resistance of Copper Wire
Wire Gage Resistance in
AWG Ohms per foot
12 .0016
14 .0026
16 .0041
18 .0065
20 .0103
22 .0165
24 .0262
Figure 4
Graph of Maximum Loop Resistance
Figure 3
Component Layout
v o lta g e
E x c ita tio n
M in im u m
E x c ita tio n V o lta g e
1 0 1 4 1 8 2 2 2 6
3 0 0
1 0 0
0
2 0 0
R e s is ta n c e
T o ta l L o o p
6 0 0
4 0 0
5 0 0
O h m s
1
2
3 4 5
6
7 8
1 2 3 U D Z G R
ON
- + + -
Rai
n
Gage
Lo
o
p
Switch 1
4 3 2 1
Wind Screen for Rain Gage