Xuzhou Sanhe Automatic Control Equipment Co., Ltd. (SHTROL), a leading manufacturer of refrigeration control solutions with over a decade of industry experience, has introduced its WiFi Freezer Alarm system—a critical tool for businesses that cannot afford temperature failures in their freezer units.
Since 2014, SHTROL has built a reputation for professionalism and reliability in the refrigeration industry. With a 50+ member R&D team, annual R&D investment exceeding 5 million RMB, and more than 20 patent applications, the company continues to develop solutions that protect businesses from the costly consequences of freezer temperature excursions.
Freezer failures can happen unexpectedly due to power outages, equipment malfunctions, door issues, or human error. Without proper monitoring, businesses may discover problems too late, resulting in:
• Complete loss of frozen inventory
• Thousands of dollars in wasted product
• Food safety and compliance issues
• Disrupted operations and lost revenue
A WiFi Freezer Alarm provides early warning, allowing immediate corrective action before temperatures reach dangerous levels.
SHTROL's WiFi Freezer Alarm is built on the company's proven temperature control technology and offers comprehensive protection:
• Continuous tracking of freezer temperatures with high-precision sensors
• Temperature range: -50°C to +110°C, suitable for ultra-low temperature freezers
• Accuracy: ±0.5°C for reliable readings
• Mobile app push notifications: Receive alerts on your smartphone anywhere
• Email notifications: Send warnings to multiple recipients
• SMS alerts: Optional SMS notification for critical alarms
• Audible and visual alarms: On-site alerts with buzzer and indicator light
• Customizable high and low temperature thresholds
• Alarm delay settings to avoid false alarms from door openings
• Power failure detection with immediate notification
• Sensor fault detection
• Low battery backup warning
• Automatic temperature data logging
• Historical trend analysis via web dashboard
• Exportable reports for compliance audits
• Maintenance tracking and reminders
The flagship solution combining precise temperature control with comprehensive WiFi alarm functionality. Ideal for commercial freezers, walk-in cold rooms, and industrial freezing equipment.



A dedicated monitoring solution for freezers where existing controllers remain in place. Easy to install, with remote alarm capabilities and data logging.


A cost-effective option for smaller freezer units, with optional WiFi connectivity for remote alarm monitoring.

Whether managing heating and cooling systems, greenhouse temperature, or refrigeration units, the SH-5080T ensures optimal performance with its dual relay outputs, wide temperature control range, and user-friendly interface.



• Restaurants and foodservice: Protect frozen food inventory and maintain HACCP compliance
• Supermarkets and grocery stores: Monitor multiple freezer display cases and storage units
• Pharmaceutical companies: Safeguard vaccines, biologics, and temperature-sensitive medications
• Laboratories and research facilities: Protect valuable samples and research materials
• Cold storage logistics: Monitor freezer units during storage and transit
• Ice cream and dessert shops: Prevent costly product melting and spoilage
All SHTROL products are manufactured in the company's 10,000+ square meter facility, with strict quality control ensuring reliability in demanding environments. The company's products are trusted in over 100 countries, with annual exports exceeding 1 million units.
SHTROL provides comprehensive support including:
• Installation guidance and training
• Technical support from experienced engineers
• Customized solutions for special requirements
• Warranty and after-sales service
"Our WiFi Freezer Alarm is an investment in protection," said the SHTROL team. "For businesses that rely on frozen inventory, the cost of an alarm system is minimal compared to the potential loss from a single freezer failure. We're proud to offer a solution that gives our customers confidence and peace of mind."
Don't wait for a freezer disaster. Contact SHTROL today to implement a WiFi Freezer Alarm system and protect your valuable inventory.
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