Cold Room Real-time Temperature Monitoring


Cold rooms store food, drugs, chemicals and other temperature-sensitive products with controlled environmental condition, ensuring product quality and regulatory compliance. However, unexpected temperature fluctuations can occur at any time, and continuous monitoring is essential to detect abnormalities before they compromise product quality. This is where Freshliance Coeus-WiFi/4G real-time temperature logger comes in, delivering cloud-based remote temperature monitoring and alerts for cold rooms.

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One Solution for Diverse Cold Storage Environments

Coeus-WiFi/4G real-time temperature logger features a built-in sensor and maximum two optional external probes. It fully covers the temperatures from -30℃ ~+ 60℃, -40℃~+85℃ to -90℃~+200℃, well suited for fresh-keeping rooms, refrigerated and frozen rooms, ultra-low-temperature quick-freezing rooms, as well as controlled ambient storage areas.

The external probes additionally facilitate precise temperature monitoring inside refrigerators, freezers, and other enclosed equipment and hard-to-reach areas without opening the door.


24/7 Cloud-based Remote Temperature Monitoring and Audit-ready Data

Featuring flexible WiFi or 4G connectivity, this real-time temperature data logger automatically uploads data to Freshliance cloud, enabling remote data tracking via our dedicated mobile APP and cloud platform. Continuous, time-stamped data records help ensure data integrity and traceability throughout cold room operations. During network failure, maximum 120,000 offline readings can be cached and re-uploaded after network recovery.

PDF, CSV and FDA reports are easily exported for cold chain management and GSP/GMP compliance. And scheduled email reports are available on a daily, weekly or monthly basis, helping streamline recordkeeping, simplify audits, and support cold-chain quality management and regulatory compliance.

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Multi-channel Alerts, Never Miss a Critical Alarm

For cold room alert environment monitoring, you can set your own high and low limits, then let it watch. The moment the temperature drifts outside the limits, this cold room temperature monitoring system alerts you immediately — buzzer and flashing light at the unit, plus SMS, email, and APP push notifications. So both on-site and off-site personnel can timely identify and solve the abnormalities before they lead to product quality issues or compliance risks.


Coeus-WiFi/4G real-time temperature logger enables faster response, reliable data traceability and more efficient cold room management. The flexible temperature monitoring ranges are well suited for fresh produce or extreme temperatures for deep-frozen products. API service is available, allowing seamless data streaming to your own WMS, EMS, QMS systems for centralized cold room monitoring, data processing, and compliance management. If you have any questions, please feel free to contact us!