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WiFi Temperature / Humidity Data Logging Sensor

The EL-WiFi-TH sensor measures the temperature and humidity of the environment in which it is situated. Data is transmitted wirelessly via a WiFi network to a PC and viewed using a free software package. During configuration the sensor will search for an existing wireless network whilst physically connected to the PC. It can then be placed anywhere within range of the network. If the sensor temporarily loses connectivity with the network, it will log readings until it is able to communicate again with the PC application (max 60 days at 10 second sample interval). The range of the sensor can be increased by using WiFi extenders.

This EL-WiFi-TH is a low powered battery device. When configured using typical sampling periods (e.g. once every 60 seconds) the sensor will operate for over one year. The battery can then be recharged via a PC or USB +5V wall adapter using the USB lead provided. 

The software installed on the PC will allow set-up, data logging and data review. Set-up features will include sensor name, C/F, sample rate, and high/low alarms. Once configured, historic data can be viewed via the graphing tool or exported into Excel.

This sensor stands alone by itself on a horizontal surface and comes with a wall bracket that can be screwed onto a wall or flat surface. The sensor clips into the bracket.


Temperature and humidity data acquisition and monitoring has applications in a range of industries including: meteorology, building monitoring, server room monitoring, energy usage, pharmaceutical, HVAC, agriculture, horticulture and environmental studies. Sensors can be used across the food industry from manufacturing and storage to distribution and retail. Other sensitive products that require temperature monitored environments include medical vaccines, historical artifacts and wine. The unit is small enough to ship with packaging of perishables and can be checked in-situ using the WiFi network in transit and/or at drayage points.


  • Temperature and humidity data logging sensor
  • Reports dewpoint as a function of temperature and humidity
  • WiFi capability and integrated LCD display
  • Wireless connectivity to PC via WiFi
  • Easy sensor set-up using free PC software with wizard
  • View and analyse multiple sensors using the PC application, including immediate graphing of logged data
  • Measurement range from -20 to +60C (-4 to +140F)
  • Fully 802.11b WiFi compliant
  • Capable of logging greater than 500,000 data set entries
  • Sensor memory stores all data even if WiFi is temporarily disconnected
  • IP55 compliant weather resistant enclosure
  • Rechargeable internal lithium polymer battery
  • Configurable high and low alarms with indicator
  • Max & Min temperature and RH readings
  • Low battery indicator
  • WiFi connection indicator
  • Micro USB port used for recharging
  • Supplied with wall bracket and micro USB lead

NOTE:  Requires 802.11b compliant WiFi router/network.  Expected to be compatible with Enterprise Networks by September 2013.


The battery is safely charged when the unit is operating between 0 to +40C (+32 to +104F).
It is protected against charging outside this temperature range. Sensor readings may be inaccurate during battery charging.

See how easy it is to setup and manage in this video:

(List price is $185.00
You save $25.50)
Manual / Quick Start Guide
Quick Start Guide

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