R404A Gas Detector GDR300S9

GDR300S9 - R404A Gas Detector 0-1000 PPM, 4-20mA - Semiconductor sensor - Tecnocontrol

The GDR300 detector is designed for the continuous monitoring of refrigerant gases in industrial environments.
It can be equipped with replaceable electrochemical, infrared, pellistor, and semiconductor sensors when exhausted, and offers Bluetooth connectivity for fast configuration and maintenance.
Compatible with 4-20 mA and Modbus RS485, it ensures reliability and seamless integration into centralized systems.

Standard Specifications

Power supply: 12–24 Vac/Vdc
Outputs: 4–20 mA + Modbus RS485
Available sensor types:

• Electrochemical 
• Infrared 
• Pellistor 
• Semiconductor 

Measurement range:

• Electrochemical: 0–100 ppm / 0–1,000 ppm
• Infrared: 0–2,000 ppm / 0–5,000 ppm / 1–5% Vol. / 100% LFL
• Pellistor: 0–100% LFL
• Semiconductor: 0–1,000 ppm

Operating temperature: -40°C to +60°C (depending on sensor)
Protection rating: IP67
Sensor cartridge: Replaceable
Connections: 4x M16 + 1x optional M20
Bluetooth functions: Real-time measurement, device status, electrical test, calibration, Modbus and configuration

Gas Detector type : refrigerant R-404A Gas detector