Gas detector DG-22/EF

Universal gas detector for industrial and domestic applications

The DG-22/EF gas detector is a reliable device designed for continuous monitoring of hazardous gas or liquid vapor concentrations in enclosed spaces. It finds application in both industrial environments and residential buildings, ensuring user safety and protecting against potential hazards. The device is characterized by its versatility thanks to the possibility of replacing the sensor module, allowing it to be adapted to specific needs and detected gases.

Construction and principle of operation

The DG-22/EF detector is a two-threshold detector with a conventional construction, which means it cannot be used in explosion-hazard zones. It has a replaceable, intelligent gas sensor – semiconductor, electrochemical or optical (Infra-Red) – depending on the model and detected gas. Sensor replacement is simple and allows for quick adaptation of the device to new conditions or detected substances. Built-in electronic circuits provide control of power supply, connection integrity and sensor presence. The detector signals exceeding the set alarm thresholds using built-in LED lamps and a 4-20mA output signal.

Applications and benefits

• Wide range of applications: ideal for monitoring gas concentrations in industrial premises, boiler rooms, laboratories, garages and residential buildings.
• Replaceable sensor: allows the detector to be adapted to different types of gases and concentrations, increasing its flexibility and durability.
• Two-stage alarm: ensures a quick response in the event of a hazardous gas concentration being detected, warning users of a potential hazard.
• Simple installation and operation: splash-proof housing (IP54 for electronic circuits + IP44 for sensor cover) facilitates mounting in various environmental conditions. Removable terminals allow connection of single- and multi-strand wires without the need for ferrules.
• Built-in diagnostics: signaling of the recommended calibration period and a test procedure recognizing outputs facilitate maintaining the device in optimal condition.
• Thermal compensation: ensures measurement accuracy even under changing environmental conditions.
• Event history: built-in event history allows analysis of alarm causes and optimization of the detection system operation (available from the manufacturer).

The DG-22/EF detector is an investment in safety that allows for rapid hazard detection and minimization of risks associated with the presence of dangerous gases. It is an indispensable tool for installers of security systems and users who care about their health and the lives of others in the monitored room.