參數(shù)資料
型號(hào)： FEUCHSEN
文件頁(yè)數(shù)： 1/3頁(yè)
文件大小： 17K
代理商： FEUCHSEN
1996 Nov 12
1
Philips Components
Product specification
Humidity sensor
2322 691 90001
APPLICATIONS
Humidity measurements in
electronic hygrometers for
domestic use
Self-regulating air humidifiers, etc.
DESCRIPTION
This capacitive atmospheric humidity
sensor consists of a non-conductive
foil, which is covered on both sides
with a layer of gold. The dielectric
constant of the foil changes as a
function of the relative humidity of the
ambient atmosphere and,
accordingly, the capacitance value of
the sensor is a measure for relative
humidity. The foil is clamped between
contact springs and assembled in a
plastic housing. It is provided with two
connecting pins which fit
printed-circuit boards with a grid pitch
of 2.54 mm, provision is also made for
fastening with 3 mm bolts. The
characteristics are not affected by
incidental water condensation on the
sensor foil. It should not be exposed
to either acetone or chlorine vapours.
QUICK REFERENCE DATA
PARAMETER
VALUE
UNIT
Humidity range (RH)
Capacitance at +25
°
C; 43% RH; 100 kHz
Sensitivity between 12 and 75% RH
Frequency
Maximum AC or DC voltage
Storage humidity range (RH)
Ambient temperature range:
operating
storage
Drop test:
height of free fall
Mass
10 to 90
122
±
15%
0.4
±
0.05
1 to 1000
15
0 to 100
%
pF
pF/%RH
kHz
V
%
0 to +85
25 to +85
°
C
°
C
1
≈
1.3
m
g
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