GDR400S9 - R404A Gas Detector 0-1000 PPM, 4-20mA - Semiconductor sensor - Tecnocontrol

The GDR400 is an industrial gas refrigeration detector with analog output (4-20mA, 1-5V, 2-10V), alarm/fault relay and Modbus connectivity.
Compatible with various sensors (IR, semiconductor, electrochemical, pellistor), it is designed for easy installation and maintenance, which allows you to connect the cartridge and Bluetooth connection for quick configuration.

Standard Specifications

Power supply: 12–24 Vac/Vdc (110-230 Vac on request)
Outputs:

• Analogue 4–20 mA
• Analogue 1-5 V / 2-10 V
• Digital Modbus RS485
• 3 relay (2 alarm, 1 fault)
• Buzzer 80 dB - 10 cm

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

Bluetooth Connectivity:

• Real time gas measurement & alarm
• Testing & calibration
• Setting alarm thresholds & relay configuration
• Modbus configuration
• View sensor type, serial number, temperature, electronics and firmware information
• Non-intrusive set-up and maintenance

Gas Detector type : refrigerant R-404A Gas detector