4-Noks ZigBEE Sensor for Light, Temperature & Humidity 2018-12-17T14:25:20+00:00

ZigBEE Sensor for Light, Temperature & Humidity


The ZED-THL-M sensor is a ZigBee battery supplied device which can measure at the same time temperature, humidity and brightness and regularly send the collected information toward one of the gateways of the 4-noks range.


Is possible to set the device in order to manage alarms to ring when its limits are trespassed, because of an exceeding value or of a too small value. It is also possible to schedule the sampling timing and the sending modalities of the measurements in order to increase the duration of the battery. Sensors are located in a compartment made of a plastic material similar to Gore-Tex that allows the air to pass but not the water, thus reaching such an high IP protection level that the drill can also be employed outdoor.

  • Temperature, humidity and light measurements for indoor/outdoor use
  • Alarm thresholds
  • Sampling and transmission rates are configurable
  • Battery powered
  • Long life battery
  • Internal antenna

General characteristics

  • Chip Ember EM250
  • Compatible IEEE 802.15.4
  • Stack EmberZnet 3.5.x (ZigBee PRO)
  • Modbus/RTU
  • Address settable through internal dip-switch

RF characteristics

  • Frequency: 2405 MHz ÷ 2480 MHz
  • Modulation: DSSS
  • Nominal transmission power: 2mW (3 dBm)
  • Receiver sensitive: -95 dBm
  • External antenna gain: 0 dB
  • Outdoor/indoor range: 100m/30m


  • High energy density AA 3,6V/2000mAh lithium battery
  • Battery duration: 3 years for data transmission every minute at 20°C

Temperature/humidity sensor

  • Sensor used: Sensirion series SMD SHT11
  • Temperature reading sensor range: from -40 to 120°C
  • Reading accuracy within the drill function: +/- 1,5°C max.
  • Temperature measurements expressed as tenths of degree
  • Sensor humidity reading range: from 0 to 100% RH%
  • Reading accuracy +/- 5 RH% max.

Brightness Sensor

  • Sensor used: Agilent ADPS-9002
  • Reading error: +/-5% in a range between 10 and 1000 Lux

Environment Parameters

  • Operating temperature: -10 ÷ +60°C; <80% U.R. non condensing
  • Storage temperature: -20 ÷ +70°C; <80% U.R. non condensing
  • Box Protection: IP 55

Compliant with 2006/95/EEC, 89/336/EEC, 99/5/EEC directives, Product law applied

  • ETSI EN 300 328: Radio Compatibility for digital wide band transmissions
  • ETSI EN 301 489: Radio Compatibility
  • EN 61000-6-2: Electromagnetic Compatibility – Emissions
  • EN 61000-6-3: Electromagnetic Compatibility – Immunity
  • EN 60950-1: Electric Security
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