Owners Manual Ecos
aire
®
CM Series Precision Air Conditioner
Ecos
aire
®
July 2007 107
Data subject to change without notice.
Sensors Diagnostics Operation
OPERA
TION
Humidity
is represented by
a 0 - 1 VDC signal which is linear
with relative humidity. This signal
cannot be calibrated in the field.
Contact the factory for software
solutions.
V
olt
s (DC)
→
Relative humidity (%)
→
Air and fluid tem-
peratures
are measured by
NTC thermistors, with the out-
put shown here.
Remove at least one of the
sensor wires before attempting
to measure resistance.
0
1 0
2 0
3 0
4 0
5 0
6 0
0
2 0
4 0
6 0
8 0
1 0 0
Temperature (°F)
→
Resist
ance (k
Ω
)
→
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80
100