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ALTA – Water Detection Sensor, AA, 3′ Lead


Perfect for detecting the presence of water. Suitable for for data center and server room monitoring, pipes, water heaters, sink and toilet, storage tank monitoring.


With industry-leading range, security & affordability, Monnit’s ALTA range of remote wireless sensors has set new benchmarks. Since their introduction in 2017, Monnit’s ALTA Sensors have been global game-changers for many industries including Food Service, Facility Management, Manufacturing, Logistics, Pharmaceutical & Medical.

When a Wireless Water Detection Sensor’s lead contacts water, an internal circuit is completed. This triggers the sensor’s integrated RF radio to push water status data to iMonnit software, which instantly alerts the appropriate party.

The sensor can be used in various applications such as data centers or frozen or burst pipe monitoring. If water is detected, these scientific-grade sensors instantly alert you via text, email, or call for swift correction.

Other common uses include:

  • Data Center and Server Room Monitoring
  • Frozen or Burst Pipe Monitoring
  • Water Heater Monitoring
  • Sink and Toilet Monitoring
  • Storage Unit Monitoring
  • Water Intrusion Monitoring



Our sensors have paired exclusive RF technology with industry-leading power management to achieve the best battery life in the IoT industry. While the competition lasts anywhere from six months to two years, Monnit has made 10 years battery life possible with a pair of two AA batteries.


Our sensors provide upto 4 times the range of standard competitor wireless sensors, which means you don’t need as many Gateway’s and a much wider coverage area. Our sensor has a non-line-of-sight reach of 300 meters through upto 12 walls. This is all possible due to the most advanced Frequency-Hopping Spread Spectrum (FHSS) technology that allows for superior interference immunity from other wireless devices.


The sensor has Monnit’s most secure embedded Encrypt-RF™ Security which consists of a 256-bit Diffie Hellman key exchange and AES-128 CBC encryption for all sensor data messages. Security is maintained at all communication points from sensor → gateway then gateway → software, then back again.


The user-customization settings allow you to set the frequency of readings with the ability to set thresholds for alerts via SMS text and/or email.

The sensor will store as many as 3,100 time-stamped messages if communication is disrupted for any reason (power outage, network disruption … etc). Once the communication is restored all messages will be delivered in chronological order.