Lutron PO2-250 Portable Oxygen Meter with Alarm

Lutron PO2-250 Portable Oxygen Meter with Alarm

Lutron PO2-250 Portable Oxygen Meter: Professional Air Oxygen Monitoring Solution

The Lutron PO2-250 is a professional-grade, pen-type oxygen meter designed for accurate measurement of oxygen concentration in air. This compact, reliable device combines precise O2 sensing with temperature measurement and safety alarm features in a lightweight, portable format. Certified to ISO-9001, CE, and IEC1010 standards, the PO2-250 delivers dependable performance for industrial, research, and safety applications.

Key Features & Benefits Lutron PO2-250 Portable Oxygen Meter with Alarm

• Dual Measurement Function - Monitors both oxygen concentration (0-30.0%) and air temperature (0-50°C/32-122°F)
• Safety Buzzer Alarm - Automatically sounds warning when oxygen levels drop below 18.0% for critical safety monitoring
• High-Quality Galvanic Cell Sensor - Provides reliable oxygen readings unaffected by acidic gases like CO2
• Temperature Compensation - Integrated temperature compensation ensures accurate O2 readings across operating range
• Data Hold Function - Freezes measurement display for convenient recording and analysis
• Auto Power Off - Conserves battery life by automatically shutting down when not in use
• Rapid Response Time - ≤15 seconds (t90) for quick assessment of changing conditions
• Portable Design - Compact dimensions (180 x 40 x 40 mm) and lightweight construction (194g) for easy carrying
• Battery Powered - Operates on standard AAA batteries for true portability
• Microprocessor Control - Advanced circuitry ensures measurement accuracy and enables special functions
• Durable Housing - Robust ABS-plastic construction withstands field use
• Includes Carrying Case - Soft carrying case (CA-52A) included for protection during transport

Technical Specifications Lutron PO2-250 Portable Oxygen Meter with Alarm

General Specifications
Display	LCD, size: 28 mm x 19 mm
Measurement Parameters	O2 (Air oxygen), Temperature (Air Temp.)
Sensor Types	Oxygen: Galvanic cell type Temperature: Thermistor
Circuit	Custom one-chip microprocessor LSI circuit
Data Hold	Freezes the display reading
Sampling Time	Approximately 1 second
Power Off	Auto shut off to save battery life
Operating Temperature	0 to 50°C
Operating Humidity	Less than 80% R.H.
Power Supply	DC 1.5V battery (UM4/AAA) x 4 PCs
Power Consumption	Approximately DC 4.0 mA
Weight	194 g/0.43 LB
Dimensions	180 x 40 x 40 mm (7.1" x 1.6" x 1.6")
Oxygen (O2) Measurement Specifications
Range	0 to 30 %O2
Resolution	0.1 %O2
Accuracy	± (1% reading + 0.2% O2) after calibration
Response Time	≤15 seconds (t90)
Overload Protection	100 %O2
Environment Pressure Range	0.9 to 1.1 atmosphere
Expected Sensor Life	≥2 years
Alarm Function	Buzzer sounds when O2 level falls below 18.0 %O2
Temperature Measurement Specifications
Range	0°C to 50°C (32°F to 122°F)
Resolution	0.1 degree
Accuracy	± 0.8°C / ± 1.5°F

Applications & Industry Uses

Safety Monitoring & Compliance Lutron PO2-250 Portable Oxygen Meter with Alarm

• Confined Space Entry - Verify safe oxygen levels before and during work in enclosed areas
• Workplace Safety - Monitor ambient oxygen levels in industrial environments
• Fire Prevention Systems - Support for fire alarm and detection systems
• HVAC System Monitoring - Ensure proper oxygen levels in air handling and ventilation systems
• Oxygen Depletion Monitoring - Early detection of potentially dangerous oxygen reduction

Food Industry Applications Lutron PO2-250 Portable Oxygen Meter with Alarm

• Refrigeration Systems - Monitor oxygen levels in controlled atmosphere storage
• Vegetable Processing Facilities - Ensure optimal atmospheric conditions for produce
• Modified Atmosphere Packaging - Verify packaging atmosphere composition
• Quality Control - Monitor environmental conditions for food production

Biotechnology & Research Lutron PO2-250 Portable Oxygen Meter with Alarm

• Oxygen Incubators - Verify appropriate oxygen concentrations for cell culture
• Anaerobic Cultivators - Monitor low-oxygen environments for specialized research
• Laboratory Air Quality - Ensure safe working conditions in research facilities
• Experimental Environments - Control and monitor oxygen levels for research protocols

Additional Applications Lutron PO2-250 Portable Oxygen Meter with Alarm

• Fuel Cell Systems - Support for development and monitoring of fuel cell technologies
• Educational Demonstrations - Teaching tool for environmental science and safety concepts
• Welding Environment Monitoring - Verify safe atmospheric conditions during welding operations
• Indoor Air Quality Assessment - Component of comprehensive air quality evaluation

Operational Features

Advanced Sensor Technology Lutron PO2-250 Portable Oxygen Meter with Alarm

The PO2-250 incorporates high-quality sensing components for reliable performance:

• Galvanic Cell Oxygen Sensor - Electrochemical sensor provides accurate, stable measurements
• Acid Gas Resistance - Readings remain accurate even in environments with CO2 and other acidic gases
• Temperature Compensation - Built-in correction ensures accuracy across operating temperature range
• Extended Sensor Life - ≥2 year expected operational lifespan
• Wide Pressure Tolerance - Functions reliably from 0.9 to 1.1 atmosphere

Safety-Oriented Design Lutron PO2-250 Portable Oxygen Meter with Alarm

Safety features make the PO2-250 ideal for critical monitoring applications:

• 18% Oxygen Alarm - Buzzer automatically activates when levels fall below the safe threshold
• Fast Response Time - ≤15 seconds response provides timely warning of changing conditions
• Clear Digital Display - Large 28 x 19 mm LCD ensures easy reading of critical values
• Data Hold Function - Captures readings in dynamic environments for proper documentation
• Overload Protection - Sensor protected against exposure to high oxygen concentrations up to 100%

User-Friendly Operation Lutron PO2-250 Portable Oxygen Meter with Alarm

The PO2-250 is designed for straightforward, efficient use:

• Simple One-Hand Operation - Pen-type design allows easy single-handed measurement
• Rapid Measurement - 1-second sampling time with fast sensor response
• Battery Efficiency - Auto power-off function conserves battery life
• Portable Construction - Lightweight design (194g) for easy carrying and use
• Protective Case Included - Soft carrying case protects instrument during transport

Understanding Oxygen Measurement Lutron PO2-250 Portable Oxygen Meter with Alarm

Oxygen Levels & Safety Lutron PO2-250 Portable Oxygen Meter with Alarm

Oxygen concentration in air has significant safety implications:

• Normal Atmospheric Level - Approximately 20.9% oxygen at sea level
• OSHA Safe Minimum - 19.5% is generally considered the minimum safe level for working environments
• Danger Zone - Below 18% (PO2-250 alarm point) oxygen levels become hazardous
• Severe Risk - Below 16% can cause impaired judgment and breathing
• Critical Danger - Below 10% can cause unconsciousness and death

Factors Affecting Oxygen Levels Lutron PO2-250 Portable Oxygen Meter with Alarm

Factor	Effect on Oxygen Levels	Application Considerations
Elevation/Altitude	Lower percentage at higher altitudes	Important for mountain or high-elevation facilities
Confined Spaces	Can decrease due to displacement or consumption	Critical for safety in tanks, vessels, tunnels
Combustion Processes	Consumes oxygen	Monitor near furnaces, engines, fires
Biological Activity	Can decrease due to respiration/fermentation	Important in bioreactors, compost facilities
Displacement by Other Gases	Reduces percentage through dilution	Common with nitrogen, carbon dioxide systems

Package Contents & Accessories

Standard Package Includes: Lutron PO2-250 Portable Oxygen Meter with Alarm

• PO2-250 Oxygen Meter - Main instrument with integrated sensors
• Soft Carrying Case (CA-52A) - Protective case for transport and storage
• Instruction Manual - Comprehensive user guide
• Batteries - 4 x AAA (UM4) batteries for immediate use

Operation Guidelines Lutron PO2-250 Portable Oxygen Meter with Alarm

Basic Operation Steps

1. Power on the meter by pressing the power button
2. Allow the sensor to stabilize in ambient air for 1-2 minutes before taking critical readings
3. Place the sensor in the measurement location and wait for the reading to stabilize
4. Press the HOLD button to freeze the display if needed for recording
5. Note both oxygen percentage and temperature readings
6. Listen for alarm buzzer in potentially oxygen-deficient environments
7. Power off manually after use or allow auto power-off function to activate

Maintenance Tips Lutron PO2-250 Portable Oxygen Meter with Alarm

• Battery Management - Replace all four AAA batteries when display becomes dim
• Sensor Care - Avoid exposure to strong solvents, oils, or high-pressure water
• Storage Conditions - Store in a clean, dry environment when not in use
• Periodic Verification - Check accuracy periodically in known air environment (20.9% O2)
• Sensor Replacement - Plan for sensor replacement after 2 years of use

Best Practices for Accurate Measurement Lutron PO2-250 Portable Oxygen Meter with Alarm

• Allow Stabilization - Give the unit time to equilibrate when moving between environments
• Consider Temperature Effects - Note temperature when interpreting oxygen readings
• Avoid Condensation - Prevent moisture buildup on the sensor when moving from cold to warm areas
• Check for Interference - Keep away from strong electromagnetic fields during measurement
• Proper Positioning - Ensure adequate air flow around the sensor during testing

Safety Considerations Lutron PO2-250 Portable Oxygen Meter with Alarm

• Alarm Verification - Regularly test the alarm function to ensure proper operation
• Not for Medical Use - The PO2-250 is not designed or approved for medical applications
• Supplemental Safety - Use as part of a comprehensive safety program, not as sole protection
• Response Limitations - Consider the 15-second response time when using in rapidly changing environments
• Environmental Constraints - Operates reliably only within specified temperature and pressure ranges

About Lutron Electronic Lutron PO2-250 Portable Oxygen Meter with Alarm

Lutron Electronic is a leading manufacturer of professional test and measurement instruments, known for combining accuracy, durability, and user-friendly design. With ISO-9001 certification and compliance with CE and IEC1010 standards, Lutron demonstrates their commitment to quality and safety in all their measurement devices. The company's comprehensive product range serves diverse industries including environmental monitoring, laboratory testing, industrial safety, HVAC, electrical, and research applications. The PO2-250 exemplifies Lutron's philosophy of providing professional-grade instruments that deliver reliable performance in both controlled and field environments.

Summary Lutron PO2-250 Portable Oxygen Meter with Alarm

The Lutron PO2-250 Portable Oxygen Meter provides a professional-grade solution for air oxygen monitoring across diverse applications. With its combination of accurate oxygen and temperature measurement, safety alarm functionality, and durable portable design, this instrument delivers reliable performance for critical oxygen monitoring requirements. Key advantages include the galvanic cell sensor technology resistant to acidic gases, the integrated buzzer alarm for low-oxygen conditions, temperature-compensated measurements, and the compact pen-type format. Whether monitoring confined spaces for safety compliance, verifying atmospheric conditions in biotechnology applications, or checking oxygen levels in food storage facilities, the PO2-250 provides the precision and reliability needed for professional oxygen measurement. With its fast response time, simple operation, and comprehensive measurement capabilities, the Lutron PO2-250 represents an excellent value for safety professionals, researchers, quality control specialists, and technical personnel requiring dependable oxygen concentration measurement in a portable format.