Honeywell W7761A Owner's Manual page 77

See Fig. E-7 for a partial psychometric chart for the a C7400A Solid State Enthalpy Sensor.
Fig. E-7. Partial psychometric chart for a C7400A Solid State Enthalpy Sensor.
See Fig. E-8 for a C7400A Solid State Enthalpy Sensor output current versus relative humidity.
Fig. E-8. C7400A Solid State Enthalpy Sensor output current vs. relative humidity.
Fig. E-6. Graph of Sensor Current versus Enthalpy (volts).
CONTROL CONTROL POINT
CURVE APPROX. F ( C)
AT 50% RH
A 73 (23)
B 70 (21)
C 67 (19)
D 63 (17)
(10)
45
(7)
40
(4)
35
(2)
35 40 45
(2) (4) (7) (10)
APPROXIMATE DRY BULB TEMPERATURE— F ( C)
1 HIGH LIMIT CURVE FOR W6210D,W7210D.
C7400A OUTPUT CURRENT
100
90
80
70
60
50
40
30
20
10
40 50
(4) (10)
EXCEL 10 W7761A INPUT/OUTPUT DEVICE
80
(27)
75
(24)
70
(21)
65
(18)
60
(16)
A
55
(13)
B
50
C
D
C
D
50 55 60 65 70 75
(13) (16) (18) (21) (24) (27)
D C B A
60 70 80
(16) (21) (27)
TEMPERATURE F ( C)
77
85 90 95 100 105 110
(29) (32) (35) (38) (41) (43)
1
A
B
80 85 90 95 100 105 110
(29) (32) (35) (38) (41) (43)
M11160
D = 17 MA
C = 15.5 MA
B = 13.5 MA
A = 11 MA
90 100
(32) (38)
M11605
74-2699