Fixed SF₆ leak detection system with control unit

A modular, scalable network system designed for permanent indoor monitoring of SF₆ leaks. Available configurations include the central network monitor (LEK104-02), the sensor with display (LEK104-03), and the standard sensor (LEK104-04). The system utilizes high-precision NDIR technology to provide real-time detection, configurable alarm thresholds, and reliable coverage for large indoor facilities.

LEK104

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Features and Benefits

Modular scalability for any facility size

High-precision NDIR dual-wavelength technology

Configurable multi-level alarm thresholds

Real-time indoor monitoring (Up to 250 m² per sensor)

Reliable data integration (MODBUS TCP/IP & RTU)

Instant audible & visual alerting

Technical Specifications

Professional monitoring network featuring a 7” central display unit, high-precision NDIR sensors (0–1500 ppm), and an industrial-grade communication architecture for seamless integration into existing SCADA applications.

Dimensions

Network Monitor (LEK104-02):
210 x 346 x 151 mm
Sensor with Display (LEK104-03):
188 x 125 x 75 mm
Sensor (LEK104-04):
98 x 119 x 75 mm

Weight

From 0.3 kg (LEK104-04) to
2.9 kg (LEK104-02)

Voltage

Monitor: 230–500V AC, 50-60Hz
Sensors: 24V DC

Detection range

High-performance NDIR sensors covering 250 m² each with a measuring range of 0–1500 ppm SF₆

System connectivity

Centralized management via Modbus TCP/IP (RJ45) and Modbus/RTU (RS485) for efficient integration into facility control systems

Safety architecture

Network monitor includes 8 relay outputs and audible alarm management for immediate response to leak events