Product Short Description
The GE M2LR-00-000-0 is a high-precision, factory-calibrated dew point and moisture sensor probe manufactured by GE Panametrics, a division of General Electric. It belongs to the renowned M-Series of moisture measurement devices, which have set industry standards for over 40 years. This probe utilizes a thin-film aluminum oxide (Al₂O₃) sensing element to directly measure water vapor pressure in gases and non-aqueous liquids, providing accurate and reliable dew/frost point data. Each unit is individually calibrated against traceable national standards, ensuring exceptional stability and performance in critical industrial applications.
Description
Technical Specifications
- Manufacturer: GE Panametrics (General Electric)
- Series: M-Series Moisture Probe
- Model: M2LR-00-000-0
- Sensing Element: Thin-film aluminum oxide (Al₂O₃) with gold and nickel-chromium electrodes
- Calibration Range: Standard -80°C to +20°C dew/frost point; extrapolated to -110°C
- Accuracy:
- ±2°C (range: -65°C to +60°C)
- ±3°C (range: -110°C to -66°C)
- Repeatability:
- ±0.5°C (range: -65°C to +60°C)
- ±1.0°C (range: -110°C to -66°C)
- Operating Temperature: -110°C to +70°C
- Storage Temperature: ≤ +70°C
- Operating Pressure:
- Threaded Connection: 5 μmHg to 5,000 psig (34.6 MPa)
- Flange Connection: 5 μmHg to 75 psig (0.52 MPa)
- Flow Rate Range:
- Gases: Static to 10,000 cm/s at 1 atm
- Liquids: Static to 10 cm/s at 1 g/cc density
- Response Time: 5 seconds (63% of full change)
- Process Connection: 3/4″-16 UNF straight thread, 300 SS stainless steel with Viton O-ring seal
- Protective Shield: 100 μm porous sintered stainless steel end cap for gas applications
- Cable: 316 stainless steel sheathed, gold-plated internal conductors
- Certifications: BASEEFA II 1 G EEx ia IIC T4 (Tamb = 80°C), intrinsically safe
- Dimensions: 216 mm (length) × 25.4 mm (diameter)
- Weight: 1.0 kg (2.2 lbs)
- Country of Origin: United States
Key Features
- Thin-Film Aluminum Oxide Sensing Technology: Delivers true water vapor pressure measurement, independent of relative humidity, minimizing temperature and hysteresis effects.
- Factory Calibrated & NIST-Traceable: Each probe is individually computer-calibrated against known moisture standards, ensuring accuracy and traceability to national metrology institutes.
- Ultra-Wide Measurement Range: Covers dew/frost points from -110°C to +20°C, suitable for extremely dry to moderately humid gas and liquid applications.
- Intrinsically Safe Design: Certified for hazardous areas (Class I Division 2), enabling safe installation in explosive environments like oil refineries and chemical plants.
- Robust Industrial Construction: 300 SS stainless steel body, sintered stainless steel shield, and Viton seals ensure durability, corrosion resistance, and long-term reliability in harsh conditions.
- Fast Response Time: 5-second response to 63% of moisture changes, providing real-time data for process control and safety monitoring.
- High Pressure Compatibility: Withstands pressures up to 5,000 psig (34.6 MPa) with threaded connections, ideal for high-pressure gas and liquid systems.
- Seamless Integration: Designed to work with GE Panametrics hygrometers and analyzers, offering plug-and-play compatibility and simplified system setup.
- Long-Term Stability: Exceptional calibration stability reduces maintenance frequency and ensures consistent performance over extended periods.
- Versatile Installation: Suitable for both gas and non-aqueous liquid applications, with options for threaded or flange mounting.
Applications
- Power Generation: Monitoring moisture in compressed air, natural gas, and turbine inlet air to prevent equipment corrosion and optimize combustion efficiency.
- Oil & Gas Industry: Measuring moisture in natural gas, liquefied petroleum gas (LPG), and hydrocarbon liquids to meet pipeline quality standards and prevent hydrate formation.
- Chemical & Petrochemical Plants: Monitoring moisture in process gases, solvents, and feedstocks to ensure product quality and protect catalysts from degradation.
- Pharmaceutical Industry: Verifying low moisture levels in compressed air, process gases, and drug formulations to comply with strict quality and safety regulations.
- Food & Beverage Processing: Controlling moisture in drying processes, compressed air, and packaging gases to extend shelf life and maintain product quality.
- Semiconductor & Electronics Manufacturing: Ensuring ultra-dry conditions in cleanrooms, process gases, and wafer processing environments to prevent component failure.
- Aerospace & Aviation: Monitoring moisture in aircraft fuel systems, hydraulic fluids, and environmental control systems to prevent icing and equipment damage.
- Research & Development: Used in laboratories for precise moisture measurement in gases, liquids, and materials science applications.
System Compatibility
- Compatible Analyzers: GE Panametrics M Series Hygrometers, MST6 Dew Point Analyzer, and other GE Panametrics moisture monitoring systems.
- Output Signals: Works with 4-20 mA analog outputs, 0-2 V isolated outputs, and digital communication protocols supported by GE Panametrics analyzers.
- Redundancy: Supports simplex and redundant system configurations for critical applications requiring high availability.
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