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Thermokon SR04 PMS rH (I/O) Room Operating Unit With Temperature & Humidity Sensor

SR04 PMS rH (I/O) – Room Operating Unit Temperature & Humidity

  • Setpoint Adjustment
  • Slide Switch Adjustment – I/O Control
  • Temperature Sensor
  • Humidity Sensor

£143.27 (£171.92 incl. VAT)

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Energy-harvesting room operating unit for integrated measurement of temperature and relative humidity (rH version) in residential and office spaces. Also available with rotary switch for fan level adjustment, slide switch (for example, “Day/Night”) or occupancy button. The device is mounted via adhesive pad or screws and sends its values unidirectionally to corresponding receivers or gateways, which process the information directly or – depending on the application – forward it to a central control unit.

SR04_(x)_(rH)_EasySens_Datasheet_en (672KB)

Measuring valuestemperature, humidity, depending on the device
Radio technologyEnOcean (IEC 14543-3-10)
Frequency868 MHz, optional:, 902 MHz (Americas), 928 MHz
Power supplysolar cell, internal super cap, maintenance-free, optional: backup battery LS14250 (3,6 V)
Measuring range temp.0..+40 °C
Measuring range humidity0..100% rH non-condensing
Accuracy temperature±0,4 K (typ. at 21 °C)
Accuracy humidity±5% between 30..70% rH (typ. at 21 °C)
Measuring intervalWakeUp time = 100 sec. (default)
Transmission intervalevery 100 sec. at change >0,8 K, otherwise every 1000 sec., adjustable via jumper
Set point (P)potentiometer
Slide switch (MS)I/0, day/night
Rotary switch (S)for fan stage adjustment (max. 5 stages), 5-stages (auto,0,I,II,III), 2-stages (0,I), 3-stages (0,I,II), 4-stages (0,I,II,III)
Button (T)for presence detection
EnclosurePC, pure white
ProtectionIP30 according to EN 60529
Ambient condition0..+40 °C, max. 85% rH non-condensing
Weight50 g
Mountingto be mounted flat onto the surface using adhesive foil (included) or screws
Delivery contentsadhesive foil
Notesintegrated battery backup possibility for usage in dimly lit rooms

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