4-Noks ZigBEE Temperature & Humidity Sensor 2018-12-17T14:26:06+00:00

ZigBEE Temperature & Humidity Sensor


The ZED-THI-M sensor is a ZigBee battery supplied device which can measure at the same time the temperature and humidity and regularly send the collected information to 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.

  • Temperature and humidity measurements for indoor 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. (see chart)
  • Temperature measurements expressed as tenths of degree
  • Sensor humidity reading range: from 0 to 100% RH%
  • Reading accuracy +/- 5 RH% max. (see chart)

Environment Parameters

  • Operating temperature: -10 ÷ +60°C; <80% U.R. non condensing
  • Storage temperature: -20 ÷ +70°C; <80% U.R. non condensing
  • Degree of 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 broadband broadcasts
  • 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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