SR04 CO2 temp_rH LCD TLF

Room sensor temperature, relative humidity, CO2 – EnOcean (868 MHz)

Application/type Room sensor
Purpose Measure values
Measured values temperature, CO2
Interface EnOcean (868 MHz)
Configuration jumper
Sensor NDIR (non-dispersive, infrared)
Radio technology EnOcean (IEC 14543-3-10) 868 MHz, transmission power <10 mW
Data transmission wake up time: 100 sec. (default), heartbeat cycle: every 10th wakeup, every 100 seconds if temperature change >0,4 K, humidity change >2,5% rH, CO2 change >50 ppm, optionally configurable
Operating range temperature (°C) 0..+50
Operating ranges temperature (°C) 0..+50
Output signal temperature scaling according EEP, 0..+51 °C
Operating range humidity max. 85% rH non-condensing
Accuracy temperature ±1% of measuring range (typ. at 21 °C), potentiometer for offset adjustment
Measuring range CO2 0..2550 ppm
Accuracy CO2 ±75 ppm, >750 ppm ±10% (typ. at 21 °C), self-calibration Dual Channel, potentiometer for offset adjustment
Power supply 15..24 V = (±10%) SELV, 24 V ~ (±10%) SELV
Power consumption max. 1,6 W (24 V =), 3,6 VA (24 V ~)
Display 3 LEDs for displaying air quality (traffic light function – TLF)
Enclosure PC
Colour pure white
Protection (IP) IP30, according to EN 60529
Connection terminal block, max. 1,5 mm², cable entry via rear opening, predetermined breaking point (bottom und top)
Mounting flush-mounted on standard EU box (Ø=60 mm), surface-mounted flat on base using adhesive foil or screws
Delivery content incl. adhesive foil for mounting
Packaging length (mm) 90
Packaging width (mm) 90
Packaging height (mm) 35
Packaging case packaging
Device length (mm) 85
Device width (mm) 85
Device height (mm) 25
Weight (g) 90
Notes to use the free software airConfig (download) a USB stick, which is able to send and receive EnOcean telegrams, is necessary. The EnOcean USB stick (incl. license) is included in airScan (item No. 566704 for 868 MHz), (refer to accessories), Please note our sheet 'Information EasySens® Radio'