Datasheet

DATA SHEET
Dew point sensor
SHS-A3
0141 0316-87 02/2006 B+B Thermo-Technik GmbH | Heinrich-Hertz-Str. 4 | D-78166 Donaueschingen
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T
echnic
al
data
Measuring principle
resistive humidity sensor
Humidity range
0 ... 100%
R
H
Temperature range
0 ... 60 °C
Impedance at
rH<75%
< 20 kOhm
Impedance at
rH<93%
< 100 kOhm
Impedance at
rH>97%
> 150 kOhm
max. evaluation
voltage
< 0.8 Vpp ~/=
Base substrate
Ceramic, 10 x 20 x 0.6 mm
Connection
2 SIL
-
contacts
RM 5.08 mm x 20 mm
Ordering No.
SHS
-
A3
Rights reserved for change in technical data for
technological advancements !
Characteristic features
• Detection of high humidity, dew formation or condensation
• Application range from 0 … 100 RH, 0 … 60 °C
• Model with SIL-contacts for PCB
Typical areas of application
• Building instrumentation, cool ceiling controller, air-
conditioning
• Moisture protection in switchgear panels and electrical
equipment
• Condensate detection in external walls
• Ventilation control in sanitory rooms
• Leakage monitor for waterproof housings
• Brown goods, CAMCORDER und Cameras
Features
The humidity sensor SHS A3 is a resistive dew formation
sensor for detecting the onset of condensation. The
exponentially rising resistive characteristics in the upper
humidity region facilitates simple signal processing and a
stable switching behaviour on dew formation threshold.
The big size design enables optimised thermal contact to
sense surface humidity in cooled objects. The component can
be glued on surfaces, for example, on metallic items.
Through SIL-contacts, the component can be directly
mounted on the printed circuit board.
Other models, for example, with connection leads and plug
are also available on request.