EXCEL 10 W7761A INPUT/OUTPUT DEVICE
76
74-2699
HUMIDITY IN PERCENT RELATIVE HUMIDITY
CURRENT IN MILLIAMPS
4
18
8
16
6
14
12
20
10
10
M3131B
5.6
7.2
8.8
10.4
12.0
13.6
15.2
16.8
18.4
10
20
30
40
50
60
70
80
90
20
100
90
80
70
60
50
40
30
RH (%)
I (mA)
0
Fig. 5. C7600C output current vs. humidity.
Sensor Type:
C7400A1004.
Sensor Use:
Enthalpy.
Table E-6 lists the points for Sensor Current versus Enthalpy (volts). Fig. E-6 shows the graph of these points.
Table E-6. Sensor Current Versus Enthalpy (Volts).
Enthalpy (volts)
Sensor Current (mA)
4
1
5
1.25
6
1.49
7
1.74
8
1.99
9
2.24
10
2.49
11
2.74
12
2.99
13
3.24
14
3.49
15
3.74
16
3.98
17
4.23
18
4.48
19
4.73
20
4.98
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ENTHALPY (VOLTS)
(MA)
SENSOR CURRENT VERSUS ENTHALPY (VOLTS)
M11607
