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Wi-Fi Low Temperature Sensor

The Monnit Wi-Fi low temperature wireless sensor uses an RTD to accurately measure temperatures from -200°C to +162°C (-328°F to +325°F). Perfect for low temperature critical applications such as freezers and coolers. An integrated 802.11 b/g radio transmitter allows the device to be easily programmed to work with any existing Wi-Fi network.

Wi-Fi Low Temperature Sensor - Commercial Grade, AA Battery Powered Wi-Fi Low Temperature Sensor, No Gateway Needed
Part No. Description Price Stock
MNS-2-LT-WF-LD Commercial Grade, AA Battery Powered Wi-Fi Low Temperature Sensor, No Gateway Needed $264
∗ Standard lead time is 2 weeks

Monnit Wi-Fi sensors can be easily programmed with Wi-Fi network security via a low cost USB programming cable, available here, and the free MoWi Setup Utility for Windows®PC's, keeping the user's Wi-Fi network secure. User defined transmission intervals (heartbeats) and sensor threshold settings ensure that sensor data is received when needed, based on the application. All sensor data is stored securely in the iMonnit Online Sensor Monitoring software and is viewable from any web enabled device. Email and SMS text messages can be configured through the online system to alert the user immediately when a defined parameter has been met or exceeded.

In order to program the sensor to connect to your wif-fi network, you will need a Wi-Fi programming cable and the free MoWi setup utility. The MoWi setup utility is currently available for Windows® PC's only. Mac and Linux are not currently supported!

Packing List

  • Mowi Wi-Fi Sensor
  • 2 - AA Batteries


  • 802.11 b/g (2.412 - 2.484 GHz)
  • Up to 250 ft. (Typical to standard Wi-Fi devices)
  • Open, WEP, WPA, WPA2 Security Standards
  • -200°C to +162°C (-328°F to +325°F)
  • Accurate to +/- 0.3°C @ 0°C.
  • Good for extremely low temperature applications.

* Actual range may vary depending on environment.
** Battery life is affected by reporting frequency (heartbeat), sensor type, Wi-Fi security type, distance from Wi-Fi router and other variables.