CH4 Gas Detector Laser Methane Single Gas 3 Wire 4-20mA Output – GAOTek

Description Overview The CH4 Laser Methane Gas Detector is a high-precision device designed for continuous monitoring of methane leaks. It uses advanced laser detection technology to provide accurate and stable readings, ensuring safe operation in industrial and commercial environments. With its 3-wire 4–20mA output, it easily integrates with control systems for real-time monitoring and alarm functions. The detector offers fast response times, reliable performance, and low maintenance requirements. Its robust design makes it suitable for hazardous areas, pipelines, storage facilities, and confined spaces. This device is an essential solution for improving safety and preventing gas-related risks.   Features Advanced laser technology for accurate methane (CH4) detection. Supports 3-wire 4–20mA output for easy system integration. High sensitivity with fast response and stable performance. Continuous real-time monitoring of methane gas leaks. Robust design suitable for industrial and hazardous environments. Low maintenance requirements with long service life. Compact and reliable solution for pipelines, storage, and confined spaces.   Technical Specifications Parameter Value Measuring Gas Methane (CH4) Working Method Continuous detection Measuring Range 0 to 100% LELm Accuracy ±3% LELm Optical Path 4 m to 100 m Response Time T90 ≤ 3s Ingress Protection IP66 / IP67 Rated Voltage DC 24V ± 6V Max Consumption Transmitter: 15W (no heating), 20W (heating) Receiver: 5W (no heating), 10W (heating) Working Humidity ≤95% RH (no condensation) Working Pressure 86 kPa to 106 kPa Current Output 4–20mA (3-wire, ±0.2mA error) Preset Alarm Value Default: 50% LELm (non-latching) Max Optical Path Offset Angle ±0.5° Dimension 297 × 155 × 222 mm (11.69 × 6.10 × 8.74 inches) Storage Temperature -25°C to 60°C (-13°F to 140°F) Working Temperature -40°C to 70°C (-40°F to 158°F) Weight Transmitter: 7.2 kg (15.87 lbs) Receiver: 7.1 kg (15.65 lbs)