Explosion-Proof Dust Concentration Sensor

Product Overview
The GE-371 Series Dust Concentration Sensor is an advanced industrial monitoring device engineered for real-time dust measurement in ducts, pipelines, and confined spaces. Utilizing electrostatic induction technology, it provides high-precision, stable, and maintenance-friendly dust detection compared to conventional optical methods.
This sensor is ATEX-certified for explosive atmospheres and meets SIL2/SIL3 functional safety standards, making it ideal for industrial dust explosion prevention, petrochemical applications, and gas processing environments.


Key Features
Certified for hazardous areas (ATEX, SIL2/SIL3, CE-compliant).
No moving parts, ensuring long service life and high reliability.
Adjustable measurement range, fully customizable.
High sensitivity and excellent linearity.
Easy installation, requires no specialized training.
Dust accumulation on the probe does not affect accuracy.


Technical Specifications
Measurement Range: 0.1mg/m³ – 1000mg/m³ (customizable within this range).
Output Signal: 4-20mA @ 24VDC.
Detectable Particle Size: 0.1μm – 200μm.
Accuracy: ±3% FS.
Drift: ±1% FS per year.
Operating Conditions:
Ambient Temperature: -40°C to 80°C, Humidity: ≤90%.
Duct Temperature: -50°C to 260°C (customizable up to 500°C).
Airflow Velocity: 1m/s – 30m/s (specify if below 4m/s).
Vibration Resistance: 2g.
Rated Power Consumption: 2W.
Explosion-Proof Ratings:
Gas: Ex db IIC T6.
Dust: Ex tb IIIC T85°C.
Protection Level: Default IP65 (customizable to IP66).


Selection Guide
Model Options

GE-371-EX (A Type): Optimized for duct-based dust concentration monitoring.
GE-371-EX (B Type): Designed for indoor ambient dust monitoring.
ATEX & SIL Certified: Suitable for high-risk environments.


Customization Options:
Measurement Range: Customizable within 0–1000 mg/m³.
Probe Length: Provide duct size for optimal sensor fit.
Special Requirements:
Default thread + welded base; flange or clamp connection available upon request.
Standard gas temperature limit is 250℃; for higher temperatures, specify when ordering.
Default airflow range: 4m/s–30m/s; for extreme conditions, please specify.