RIKEN KEIKI GD-70D-EA Smart Gas Detector
Discover the RIKEN KEIKI GD-70D-EA, a robust smart gas detector transmitter for industrial safety. Features 4-20mA HART and Ethernet (Modbus TCP) outputs for advanced system integration and continuous monitoring of combustible, toxic, and oxygen gas levels.
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RIKEN KEIKI GD-70D-EA Smart Gas Detector
The RIKEN KEIKI GD-70D-EA is an advanced fixed-type smart gas detector designed for continuous monitoring in demanding industrial environments. This intelligent transmitter unit serves as the core of a versatile gas detection system, connecting to a wide range of smart sensor heads for detecting combustible gases, toxic gases, and oxygen deficiency. The GD-70D-EA model is equipped with an Ethernet (Modbus TCP) port alongside the standard 4-20mA HART output, enabling seamless integration into modern plant management and PLC/DCS systems. Its non-intrusive calibration feature allows for easy maintenance without opening the housing, making it a safe and efficient solution for critical safety applications in refineries, chemical plants, and manufacturing facilities.
Technical Specifications:
- Model: GD-70D-EA
- Detectable Gas: Connects to various smart sensor heads for Combustible Gases (HC, H2), Toxic Gases (CO, H2S, NH3, etc.), and Oxygen (O2).
- Detection Principle: Dependent on connected sensor (e.g., Catalytic Combustion, NDIR, Electrochemical Cell).
- Power Supply: 24 VDC (Operating range 18-30 VDC).
- Output Signals: 4-20mA (HART protocol superimposed) and Ethernet (Modbus TCP).
- Operating Temperature: -20°C to +50°C (-4°F to +122°F) (may vary with sensor).
- Explosion Proofing: ATEX / IECEx Flameproof design.
- Ingress Protection: IP66/67.

| Brand | RIKEN KEIKI |
|---|---|
| Model | GD-70D-EA |
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