Wireless Humidity and Temperature Data Logger – A15-MT-DL+



Monitor RH and Temperature with a wireless data logger. Monitor an environment remotely over a -20 to +60°C (-4 to +140°­­F) and 0 to 100% RH measurement range. Data is regularly uploaded using a standard wifi network or access data logs through a user-friendly App from any internet-enabled device.

Change data logger setting remotely with our App. Assign multiple user privileges, link sensors from multiple sites into one account and receive email notifications of alarm conditions.

App available for Android and Apple devices.

Data is automatically uploaded to the Cloud with a wifi connection. If the wifi connection is lost data will be stored internally and start uploading once reconnected.


  • Building and site monitoring
  • Housing & Business Premises
  • Veterinary
  • Museum and Heritage monitoring

Additional information

Product No.


Measurement Range

Temperature: -20 to +60°C / -4 to + 140°F
Humidity: 0 to 100% RH


Temperature: ±0.2°C / ±0.4°F
Humidity: ±1.8% RH Typical



Logging Rate

User selectable between 10 seconds and 12 hours


Rechargeable Battery / 6 Months Battery Life / Mains Powered Option

Communication Standard

WiFi connection

  • Certificate of Calibration: $120