Discover how SMSEagle water and temperature sensors can strengthen your monitoring systems. Our latest article explores how real-time, flexible alerting helps keep operations safe and resilient.
In today’s industrial environments, automated safety systems are essential. Even one unnoticed water leak can lead to significant mechanical failures or electrical hazards, particularly in facilities that are not continuously monitored.
This case study highlights a practical and independent alerting setup built with the SMSEagle SMS Gateway, designed and delivered with the expertise of SmartNode Ltd., together with Airlock Ltd.
SmartNode
Company information:
Location: Debrecen, Hungary
Industry / Main Activity: Building automation, IoT-based building control, energy/environmental sensors, and field device systems; broadly under engineering and technical consultancy
Date of Incorporation / Foundation: 2015
Number of Employees: Approximately 10 employees (as of July 2025)
Scale & Focus: SmartNode operates from Hungary with a compact team focused on specialized IoT and automation solutions. No explicit global presence or multiple international branches are indicated.
SmartNode Kft., based in Hungary, specializes in industrial monitoring and IoT solutions. The company designs advanced sensor-based systems that help organizations safeguard their infrastructure and maintain uninterrupted operations across a wide range of sectors.
The project was carried out in a Hungarian healthcare facility where no staff is present around the clock. In the past, a burst pipe had completely flooded the central heating plant room, destroying pumps, sensors, valve actuators, and even parts of the electrical distribution system. To avoid a repeat of this costly incident, the facility required a stand-alone alerting system that could function independently of the building management system (BMS) and notify staff through SMS and voice calls.
Following the recommendation of SmartNode’s experts, the SMSEagle hardware SMS gateway was chosen. The device offers ready-to-use extensions, including a water leak sensor and voice calling features. For this project, Hungarian-language voice support was crucial. SMSEagle devices include three pre-recorded voice samples (two female and one male), meeting this requirement directly out of the box.
Because the distribution panels were located in a basement with poor reception, an external 4G antenna with a 10-meter cable was installed to ensure stable connectivity. To guarantee reliability during outages, the gateway was also connected to an uninterruptible power supply (UPS).
Two of the unit’s four digital inputs were configured for monitoring: one for the water leak sensor, another for power outage detection. The system operates on event triggers — whenever an input changes, the device automatically sends a pre-defined SMS and initiates voice call notifications to the assigned contacts
When a water leak or power failure is detected, the gateway immediately sends SMS alerts and begins calling the listed numbers. If the first recipient doesn’t answer, the system moves on to the next contact. Once someone picks up, the pre-recorded voice message is played, and the call ends. The process repeats until the alert is acknowledged. Even during a power outage, the UPS keeps the system running long enough to send early warnings.
“Although the SMSEagle can be integrated into a Tridium Niagara system, in this case it was deployed as a standalone emergency solution. Its setup is quick and user-friendly, and its operation is highly reliable. It provides fully autonomous monitoring in emergency situations.”
Péter Nagy
System Integrator
Airlock Ltd.
This implementation shows that reliable protection against water damage can be achieved quickly and cost-effectively. With support from SmartNode, the SMSEagle solution provided rapid deployment, simple configuration, and dependable performance. It is particularly well suited for facilities without 24/7 staff or where existing BMS setups fall short in emergency situations.
Discover how SMSEagle water and temperature sensors can strengthen your monitoring systems. Our latest article explores how real-time, flexible alerting helps keep operations safe and resilient.
(Source: Airlock Kft., SmartNode Kft)
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