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    2754

    GD750 - ATEX Certified Refrigerant Gas Detector for Zone 2 with Display, Bluetooth, and Relays

    The GD750 detector is designed for explosive atmospheres (ATEX Zone 2). It supports 4-20mA signals, Modbus, and 3 relays, and integrates Bluetooth for configuration and maintenance without opening the enclosure. Compatible with s… See more...
    Standard Specifications
    Certification: ATEX Zone 2
    Power supply: 12–24 VDC
    Outputs:
    • Analog: 4–20 mA, 1–5 V, 2–10 V
    • Digital: Modbus RS485
    • 3 Relays (2 alarm, 1 fault)
    Acoustic alarm: 80 dB buzzer at 10 cm
    Remote sensor: up to 3 meters distance
    Compatible sensors:
    • Electrochemical (NH₃)
    • Infrared (CO₂, R134a, R404a, R407c, R410a, R507, R449a, R32, R290, R600)
    • Pellistor (R290, R600)
    • Semiconductor (R134a, R404a, R407c, R410a, R507, R449a, R32)
    Measurement ranges:
    • Electrochemical: 0–1,000 ppm
    • Infrared: up to 50,000 ppm or 5% Vol
    • Pellistor: 0–100% LFL
    • Semiconductor: 0–1,000 ppm
    Operating temperature: –40°C to +60°C (sensor dependent)
    Protection rating: IP67
    Sensor cartridge: Replaceable
    Bluetooth functions:
    • Real-time measurement
    • Calibration and electrical test
    • Relay and Modbus configuration
    • Electronic, serial, and firmware data display
    Connections: 4 × M20
    Options
    NH3: GD750EA, GD750EAH
    R290/R600: GD750PX (pellistor), GD750I8/I9 (IR)
    CO2 (IR): GD750IC25, IC210, IC220, IC250
    Semiconductors: GD750S1–S7
    Custom versions: GD750IX, SX, PX
    Model without display: GD700
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