WiFi Temperature & Humidity Data Logging Sensor

  • WiFi capability and integrated display
  • Wireless connectivity to PC via WiFi
  • View and analyse multiple sensors using the PC application, including immediate graphing of historic data
  • Measurement range from -20 to +60°C (-4 to +140°F)
  • Rechargeable internal lithium polymer battery
  • Calibration certificate available

Product Description


WiFi Temperature & Humidity Data Logging Sensor

Now Cloud enabled!

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.






USB supply voltage





Operating temperature range

-20 (-4)


+60 (+140)

°C (°F)

Logging period (user configurable)

10 sec

10 min

12 hrs


Transmission period (user configurable)

1 min

1 hr

24 hrs


Temperature measurement range



+60 (+140)


Humidity measurement range





Temperature measurement resolution





Humidity measurement resolution





Temperature display resolution





Humidity display resolution





Temperature accuracy


±0.3 (+5 to +60°C)

±0.8 (-20 to +60°C)


Humidity accuracy (at +25°C)


±2.5 (20 to 80%)

±5.0 (0 to 100%)



Warning – do not exceed operating temperatures

The EL-WiFi-TH is suitable for a wide variety of applications, particularly where remote monitoring is important, these include:

– Environmental and weather monitoring
– Agricultural and livestock
– Food & drink
– Building & site monitoring


Lascar’s calibration certificate is traceable to UKAS standards. Customers in the UK, EU, Rest-of-world will receive UKAS traceable certificates.

A calibration certificate is not supplied as standard with a data logger. It is at extra charge.

Please note that a calibration certificate can only be provided with a data logger at the time of original purchase.


The EL-WiFI-TH is not supplied with software, however the control software is downloadable, free-of-charge from Lascar’s website. The software is compatible with Windows XP, Vista and 7 (including 64-bit operating systems). Note, the software is not compatible with Mac or Linux

Download the latest version of the software as instructed in guide sheet supplied along with the item.

Download brochure.