Low Light Sensor

Wireless Battery-Free Light Sensor

SKU: E9T-LLS

ILLUMRA Wireless Battery-Free Light Sensor Self-Powered Daylight Harvesting

Self-powered wireless light sensor that automatically dims artificial lighting when natural daylight is present — saves up to 60% on lighting energy. No wiring, no batteries, no maintenance.

Features:

  • Up to 60% energy savings via daylight harvesting
  • Battery-free (operates 3 days in darkness when charged)
  • 0-1020 lux measurement range
  • 80 ft wireless range (902 MHz)
  • BACnet, RS-232, Ethernet compatible
  • Open-loop and closed-loop applications

Compliance: RoHS, LEED eligible, IGCC Standard 189.1

Ideal For: Offices, schools, warehouses, retail, commercial buildings requiring daylight harvesting for energy code compliance

Also Available:Wireless PIR and Light Sensor (motion + light combo)

Key Features

Categories:Wireless Sensors
Voltage:120V
Frequency:902 MHz
Protocols:902 MHz Protocol

Specifications

Frequency902 MHz EnOcean RF Transmitter
Measurement range/resolution0 … 1020 lux / 4 lux
Typical Accuracy+-5 % at full scale / 68°F
Measurement Interval1 Minute
Transmission IntervalImmediate if change > 50lux versus last transmission; Heartbeat every 20 … 30 minutes (affected at random)
Transmission Range80 ft. (25m)
Dimensions6.30” L x 2.36” W x 1.15” D (160 mm x 60 mm x 37 mm)
Weight4.4 oz (125 g)
Mounting Position At the ceiling–close to ambient light source (window)
EnvironmentIndoor use only / 32° to 140° F (0° to 60° C) 20% to 85% relative humidity (non condensing)
Agency ComplianceFCC; IC; RoHS

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