Datasheet

DATA SHEET
Technical changes reserved
0141 0316-159 07/2014
DescriptionDescription
Dew formation module
SHS-MOD-LC
Technical data
Sensor
Compatible sensors SHS A3, A4L, A5
Switching point 94% RH Surface humidity ±4%
Operating range 0% RH to 100% RH
Switching hysteresis ca. 4%
Application tempera-
ture
0° to 60° C
Dew formation Allowable only on sensor side
Measuring medium Clean atmospheric air
Response time Approx. 120 sec.
Output stage
Switching character-
istics
Potential free, static current contact, nor-
mally closed (condensate free). Opens on
dew formation or absence of voltage supply
Output Semi-conductor relay
Switch rating max. 36 V
s
/ 25 mA AC/DC
Contact resistance Closed: < 30 Ohm
Open: > 1 MOhm
Switching status
display
LED red with closed contact (Dry condition)
Protection circuit Transient protection, Varistor 39V and Surge
suppression capacitor 10 nF
Other data
Operating voltage 24 V AC ±20 %, 50 Hz or
20-28 V DC, max. 7 mA
Functional control LED red on operation
Dimensions
L x B x H (mm)
approx. 73 mm x 15 mm x 15 mm
Connection terminals 4-pole 1.5 mm
2
, RM 3.5 mm
EMV- Emission EN 61000-6-3:2001
EMV- Immunity EN 61000-6-2:2001
Scope of supply Module without sensor element
Article number SHS-MOD-LC
Rights reserved for change in data due to technological advance-
ments!
Module outline
Typical areas of applications
• For preventing condensation in cool ceilings
• To detect “sweating” in cold pipelines of industrial plants
• To maintain mist free glaze in swimming halls or display windows.
• To detect high humidity value in switchgear cabinets, pumps and
machines.
• To detect condensate formation on cold outside walls or steel
doors
• Monitoring insulation in false roong
Characteristic features
• SMD-Module as universal evaluation electronics for detection of
condensation
• For all dew formation sensors SHS A3 to A5
• Dened response in dew formation and condensation, high
system reliability
• Switching point 94% RH surface humidity.
• Static current contact, potential free
• Operating voltage 20-28 V DC/AC~
• 24 months guarantee
B+B Thermo-Technik GmbH | Heinrich-Hertz-Straße 4 | D-78166 Donaueschingen
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