Industrial Grade Freezer and Refrigerator Wireless Temperature and Door Sensor Monitoring System


The Leap wireless refrigerator and freezer temperature sensor continuously monitors the internal temperature of your refrigerator or freezer. Set alerts via phone, text, or email to know about issues even if you’re not on-site. Streamline auditing processes. Ideal for temperature-critical applications such as laboratories, medical facilities, vaccine storage, medicine storage.

This refrigerator/freezer monitoring system is designed with key features that are only available in the Leap product line:

  • Single sensor and dual sensor (2 temperature and 2 door-open sensors) available.
  • Paper-thin cable maintains gasket seal integrity.
  • Easily replaceable NIST-traceable tip for simple calibration.
  • Industrial door-open sensor helps troubleshoot temperature alerts, as well as tracking each time the door is opened.  Sensor device node takes a reading and transmits every time the door is opened and closed.
  • Time that door is left open is reported – and alarms can be set on excessive door-open time.
  • Optional wall transformer powers the sensor and also alerts power outages. On-board battery backup assures sensor node operation during power outages.
  • Fast, simple installation with cold-proof foil stickers and adhesive-backed hook-and-loop.
  • Thermal mass bottle prevents false alarms from defrost cycles or when the door is opened.
  • Know for sure the sensor is connected & working with LED indicator light.

Contact us to find the best combination of features for your facility.



Note: transceiver node configuration

The transceiver node can be configured with one or two temperature sensors, replaceable calibrated temperature probes, zero to two door-open sensors, an optional thermal bottle, and battery power or wall power. Please specify the configuration that you need and we will send you a final quote to your exact specifications.

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Leap Sensors are specially designed to easily adapt to your specific needs. If this isn’t exactly what you need, please contact us.

Wireless Refrigerator & Freezer Temperature Sensor Specifications

  • Transceiver Node: Battery temperature-limited to -40°C – 60°C (-40°F – 140°F).  Contact us for higher temperature options.
  • Temperature Probe Range: -40F to 185F (-40C to 85C)
  • Temperature Accuracy (typical): +/- 0.2C from -40C to 70C (-40F to 160F). Sensors are tested at typical freezer and refrigerator temperatures.
    • Accuracy of +/- 0.1C available on request.
  • Single sensor and dual sensor (2 temperature and 2 door-open sensors) available.

Special High-Value Features and Options

  • Thermal mass bottle (see photo) prevents false alarms when the door is opened or during defrost cycles.
  • Paper-thin cable goes through door gasket to maintain seal integrity.
  • Installation is fast and easy with the hook and loop and foil stickers. Special adhesive sticks cold surfaces.
  • Streamline calibration with replaceable calibrated tip. Simply switch out the tip every year.
  • Industrial door-open sensor transmits every time door is opened, streamlining tracking as well as helping to troubleshoot temperature alerts. Simple installation assures long-term reliable operation.
    • Door-open sensor tracks the amount of time that the door is left open. Alerts can be set on excessive door-open time.
  • Optional AC power and power outage detection system available. The sensors are powered by a wall transformer and the battery acts as a back-up. Designed with a sensor transceiver node to track and alert power outages.  With this option, the IP67 rating is not maintained.

refrigerator wireless sensor

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Prices, Quotes, Questions...

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This wireless sensor is ideal for monitoring:

  • Food refrigerators
  • Food freezers
  • Medical refrigerators
  • Medical freezers

Patents pending.

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