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ZYGGOT® SG TF

Continuous Thermographic Monitoring for low voltage Transformers

ZYGGOT® SG TF was developed as a complement to the other solutions in the Zyggot® line, with the aim of providing continuous, real-time thermal monitoring of transformers with voltages up to 800 VAC. It prioritizes easy installation, high operational reliability, and low implementation costs.

Ethernet Modbus RTU, RS485, MQTT (IoT) and RESTFULL API Has Page Server and Remote Control by Ethernet High insulation 3000 VAC Auto addressing and sensor monitoring Testable with the system turned off and highly scalable IEC 61850 for substations
Smart digital sensors with a capacity of up to 96 sensors per gateway
Intelligent and ultra-compact sensors, connected to a 1-Wire® network, with automatic detection and addressing. They are encapsulated in stainless steel and high-temperature polycarbonate, ensuring robustness and durability even in harsh environments. Powered directly by the network itself, the sensors maintain continuous system operation even in the event of individual failure; failed sensors do not affect the others. Each gateway channel also supports the concatenation of up to 12 sensors, with a total cable length of up to 300 meters per channel, providing flexibility and range in distributed installations.
Available integrated protocols besides Ethernet
MQTT IoT - Cloud and platform integration
IEC-61850 Integration in electrical substations
RESTful API (HTTP) Web and enterprise systems integration
Modbus RTU Industrial serial communication
Networked smart sensors
Easy to install
Programmable alarm levels
Monitors sensor status
No batteries required
Low purchase and installation costs

System components

Smart sensor and Dual Port Interface
Gateway and Control Module with Display
Gateway with 8 ports/ Channels for sensors
Technical specifications

Communication

Modbus RTU (RS485) and Ethernet (RJ45)      

API Restful (Web)      

MQTT (IOT)

Resolution

0.1ºC

Temperatures

25 / 5.000 Measurement from -55°C to 150°C      

Maximum Sensor Temperature: 150°C      

Gateway Ambient Temperature: -30°C to 105°C

Gateway Outputs

1 Output: 5A / 250 VAC or 5A / 30 VDC (dry contact).

Resolution and Accuracy

Accuracy better than 0.2% of the measured value from +10°C to +45°C.      

Accuracy better than 0.3% of the measured value from -40°C to +105°C.      

Accuracy better than 0.4% of the measured value from -55°C to +150°C.

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