Primary power supply Indoor light, min. 50 lx
Backup power supply Optional battery (CR1225, not included)
Radio standard / frequency / transmission power ETHSA: EnOcean / 868.300 MHz / +5 dBm
ETHSU: EnOcean / 902.875 MHz / +99 dBμV/m
Antenna / transmission range Internal helix antenna / 300 m free field, typ. 30 m indoor
EnOcean Equipment Profile (EEP) A5-04-03 (temperature & humidity measurement value),
SIGNAL 0x06 (Energy Level Reporting), SIGNAL 0x0E (Entering Transport Mode)
Supported security algorithms VAES 128, CMAC, RLC counter
Temperature sensor performance Measurement range -20 till +60°C, resolution 0.1K,
accuracy ±0.5K across entire range
Humidity sensor performance Measurement range 0-100% rh, resolution 0.4% rh, accuracy ±4.5% rh across entire range, ±3% rh between 20% till 80% rh
Measurement cycle time Once every 100s
Immediate transmission threshold Change by >±0.5 K or >±3% rh versus last transmission
Sign-of-life transmission Measurement data update once every 11-24 minutes (random)
Start-up time with empty energy storage typ. <2.5 min @ 400 lx, 25°C
Sustain condition for battery free operation min. 1200 lx h per day (25°C)
Operation time in darkness > 10 days (energy storage fully charged, sign of life only, 25°C) (1)
Teach-in telegram trigger and indicator Pushbutton and LED
Dimensions of unit without wall plate (no stand, 2 square caps) 76.2 x 22 x 15 mm
Dimensions of unit with wall plate 79 x 23.8 x 18.6 mm
Dimensions of unit with stand and triangle cap (single pack only) 85 mm x 30 mm x 30 mm
Housing color White, similar to RAL 9010
Operating conditions -20…+60 °C, 0…93% r.h., non-condensing, IP 40, indoor use only
Storage conditions Recommended: +10…30 °C, <60% r.h., max. 36 months in transport mode (2)
Approvals EU/UK: CE/UKCA (ETHSA), US/CA: FCC/ISED (ETHSU)
Single unit packaging 50 single unit card boxes 32x32x99 mm contains: sensor unit, wall plate, stand, triangle cap, adhesive, instructions in transport box 232x176x174 mm, total 2.3 kg
Tray packaging 56 units on trays contain sensor units, magnets, wall plates, adhesives
in transport card box 232x176x174 mm, total 2.2 kg