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CAATM GTYQ-CA226F Industrial and Commercial Fixed Combustible Gas Detector Catalytic Pick-up Ex d IIC T6 Gb 4-wire/4-20mA Output
Fixed Flammable Gas Detector
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CAATM GTYQ-CA226F Industrial and Commercial Fixed Combustible Gas Detector Catalytic Pick-up Ex d IIC T6 Gb 4-wire/4-20mA Output

Utilizing imported catalytic combustion sensors, this product provides accurate monitoring of 3%-100% LEL. With Ex d II C T6 Gb explosion-proof rating and IP66 protection, it's suitable for harsh industrial environments. It supports a variety of signal outputs, including four-bus, three-wire 4-20mA, and relay outputs. Integrated anti-poisoning, overcurrent, and reverse polarity protection ensure safe, reliable operation and a long service life in petrochemical, commercial kitchens, and other environments.

  • Product Name Point-Type Combustible Gas Detector for Industrial and Commercial Use
  • Detected Gas Combustible Gas
  • Detection Principle Catalytic Combustion
  • Sampling Method Free Diffusion
  • Measurement Range 3%LEL to 100%LEL
  • Alarm Accuracy ±3%LEL
  • Operating Voltage DC12V-DC30V
  • Signal Transmission Method Four-wire (Power Line: 24V, GND; Signal Lines: LA, LB) or Three-wire (Power Line: 24V, GND; 4-20mA Signal Line: 10)
  • Output Signal One passive switching signal (relay output) and one DC24V signal output
  • Power Consumption ≤2W
  • Protection Rating IP66
  • Explosion-Proof Class Ex d ll C T6 Gb
  • Sensor Lifespan Three Years

Core Summary
This product is a high-performance point-type combustible gas detector that utilizes a catalytic combustion principle and features an imported sensor. It boasts an Ex d II C T6 Gb explosion-proof rating and IP66 protection. It offers a variety of output signals, including four-wire, three-wire 4-20mA, and relay outputs. Designed for demanding industrial and commercial environments, it provides a stable and reliable combustible gas leak monitoring solution.

Core Highlights
Precise and Reliable Imported Core: Utilizing a high-performance imported catalytic combustion sensor, it delivers a sensitive response to combustible gases and precise measurement, ensuring consistent performance over a service life of up to three years.

Rugged Industrial-Grade Design: Certified for explosion-proof operation up to Ex d II C T6 Gb, it can be safely used in the most explosive and hazardous environments. Combined with an IP66 protection rating, it effectively resists dust intrusion and powerful water jets, making it suitable for a variety of harsh operating conditions.

Unparalleled Installation Flexibility: It offers four-wire (LA/LB) and three-wire (4-20mA) signal outputs, along with standard passive relay and DC24V signal outputs. It seamlessly integrates with various gas alarm control systems, PLCs, or DCS systems, meeting the diverse interface requirements of both new and existing projects.

Excellent Self-Protection: It features anti-poisoning and anti-interference features, effectively resisting damage from silicides, halogens, and other agents. Built-in overcurrent and reverse polarity protection circuits, along with support for a wide DC12V-30V input voltage, effectively prevent accidental damage during installation and use.

Wide Range of Applications
This detector is the cornerstone for ensuring safety in all types of environments where flammable gases are present.

Industrial Safety Guardian: Widely used in high-risk industrial sites where flammable gases are present, such as the petroleum, chemical, oil depot, pharmaceutical, automotive, and shipyard industries, it meets stringent explosion-proof and safety requirements.

Commercial and Residential Space Protection: Perfectly suited for commercial kitchens, restaurants, gas boiler rooms, liquefied gas stations, as well as residential spaces like villas and basements where gas is used, eliminating the risk of gas leaks.

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