TRH-F Refrigerator Freezer Temperature Monitor

The refrigerator freezer temperature monitor records and transmits data to a wireless bridge for immediate online access. The temperature monitoring system can include other sensors such as CO, CO2, NO2, O3, VOC, PM or Ozone to provide you with accurate information about your indoor environments. Your Aretas system allows you to monitor all of your facilities from one easy to use online dashboard 24/7 worldwide.

Contact a live Aretas representative today to discuss how we can help meet your unique monitoring needs (877) 218-6232.

Aretas offers a refrigerator freezer temperature monitoring system that provides more:

  • Measure freezer temperature & relative humidity with a high degree of accuracy and reliability
  • Continuous monitoring take the guesswork out of food & critical contents storage
  • Lower risk of health & safety violations

All systems include the ability for online data analytics and more including:

  • Collect: Online data analytics, graphs, maps and archive data logging for quick decisions
  • Decide: Review one or more monitors and facilities 24/7 worldwide
  • Respond: Alerts sent via text or email to the appropriate team members
  • Simple: Wireless for easy installation
  • Solutions: Customizable solutions include the sensor mix you need

For restaurants a great example of monitoring solving a carbon monoxide issues while saving energy is explained, click here >> 

Call Toll Free (877) 218-6232  |  Live Chat with a representative |  Email Support


  • Wireless frequency 802.15.4 ( does not interfere with standard IEEE 802.11 frequency).
  • 900MHz / 868MHZ (xbee, zigbee)


T-F Temperature Sensor:

  • Temperature probe range: -40°C to +125°C
  • Resolution: up to ± 0.025°C
  • Response time: 5 to 30s (Dependant on airflow)
  • Accuracy: ±1 °C Typ,
  • Operating temperature: -25°C to +85°C
RH-F Relative Humidity Sensor:
  • Range: 10% to 90% RH
  • Resolution: up to ±0.04% RH
  • Response time: 6s Typ.
  • Accuracy: up to ± 4% RH
  • Operating temperature: -25°C to +85°C

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