New on our site
April 2014
Added WiSpehrT° (WiFi thermometer) section
WiSpher RS
January 2013
The first device of the WiSpher series - WiSpher RS - is ready and tested.
WiSpher T°
March 2013
The WiSpehrT° - the WiFi thermometer project has been started
November 2013
First WiSpehrT° WLAN temperature sensors samples available
January 2014
You can see real time data uploaded by our WiSpehrT° WiFi temperature sensor there...
April 2014
Beta tests of WiSpherT° Android application for WiFi thermometer are almost done.
June 2014
You can already order WiSpherT° WiFi thermometer in our shop.
July 2014
WiSpherT° Android app available in Google Play.
Wispher Apps
Check our mobile applications at
WiSpher T°
WiFi thermometer Technical Specification
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Temperature measurement range | -40(-40) | +60(+140) | °C(°F) | |
| Temperature measurement resolution | 0.1 | °C | ||
| Temperature measurement accuracy | -1.5 | 0.1 | +1.5 | °C |
| Transmission period (configurable) | 2 | 60 | min. | |
| Radio Modulation | 802.11b,802.11g | |||
| Radio Frequency | 2.402 | 2.480 | GHz | |
| Radio channel intervals | 5.0 | GHz | ||
| Radio channels | 1 | 14 | ||
| Receive sensitivity | -83 | dBm | ||
| Radio output level | -2 | +12 | dBm | |
| Power supply | 2 x AA batteries or USB 2.0 (+5V) | |||
| Battery life | >6* | Month | ||
| Dimensions | 53.34 x 76.71 x 32.26 | mm | ||
* With transmission period >15min at room temperature