Lutron GCH-2018 – Multifunction Air Quality Meter

Lutron GCH-2018 – Multifunction Air Quality Meter

Lutron GCH-2018 – Multifunction Air Quality Meter

The Lutron GCH-2018 is a highly accurate and durable air quality monitoring instrument that combines four essential measurements: CO₂ concentration, temperature, humidity, and dew point. Utilizing NDIR (Non-Dispersive Infrared) technology, this device ensures reliable performance and stable readings over time—perfect for laboratories, industrial facilities, building environments, and classrooms.

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Key Features Lutron GCH-2018 – Multifunction Air Quality Meter

• Accurate CO₂ Measurement Using NDIR Technology

  • Provides long-term stability and high precision in CO₂ detection.

  • CO₂ measurement range from 0 to 4,000 ppm with an accuracy up to ±40 ppm.

• Comprehensive Air Quality Monitoring

  • Simultaneously measures:

    • Carbon Dioxide (CO₂)

    • Relative Humidity

    • Temperature

    • Dew Point

• Large High-Contrast LCD Display

  • Equipped with a 52 x 38 mm S-TN LCD screen for clear visibility, even in dim environments.

• Real-Time Alerts

  • Audible beeper alarm activates when CO₂ levels exceed user-defined thresholds.

• Advanced Data Handling

  • Features data hold and memory recall for reviewing maximum and minimum values.

  • RS232 and USB connectivity for seamless data transfer to PCs—ideal for logging, analysis, and reporting.

• Automatic Temperature Compensation

  • Ensures consistent and reliable readings by adjusting measurements based on ambient conditions.

• Portable and Rugged Design

  • Built for field use with a durable housing and included protective carrying case.

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Measurement Specifications

• CO₂ (Carbon Dioxide)

  • Range: 0 to 4,000 ppm

  • Resolution: 1 ppm

  • Accuracy: ±40 ppm (≤1,000 ppm), ±(50 ppm + 3% of reading) (1,000–3,000 ppm), reference only (>3,000 ppm)

  • Response Time: <2 minutes (typical for 63% of final value)

• Humidity

  • Range: 10 to 95% RH

  • Resolution: 0.1% RH

  • Accuracy: ±3% RH (at 70% RH), ±(3% reading + 1% RH) (≥70% RH)

  • Response Time: 10 to 30 seconds (typically for 85% of reading)

• Temperature

  • Range: 0 to 50℃ / 32 to 122℉

  • Resolution: 0.1℃

  • Accuracy: ±0.8℃ / ±1.5℉

  • Includes automatic temperature compensation

• Dew Point

  • Range: -25.3 to 48.9℃

  • Resolution: 0.1℃

  • Calculated based on real-time humidity and temperature measurements

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Power and Operation

• Power Supply

  • 6 x 1.5V AA (UM3) batteries or equivalent DC source

• Power Consumption

  • CO₂: Approx. 9.6 mA (90% of operation), 128 mA (10% during active CO₂ detection)

  • Humidity: Approx. 5.6 mA

• Operating Environment

  • Temperature: 0 to 50℃

  • Humidity: Less than 85% RH

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Dimensions and Weight

• Main Instrument: 173 x 68 x 42 mm (7.9 x 2.7 x 1.2 inches), 372 g (including battery)

• CO₂ Probe: 185 x 38 x 26 mm, 158 g

• Humidity Sensor Probe: 200 x 23 x 19 mm, 82 g

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Ideal Users

• Environmental Researchers and Academics – for precise air quality monitoring in laboratories and classrooms

• HVAC Technicians and Facility Managers – for routine checks and maintenance of building air quality

• Public Institutions and Schools – to maintain a healthy indoor environment for staff and students

• Industrial Manufacturers and Labs – where control of humidity, CO₂, and temperature is essential for quality and safety

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Summary

The Lutron GCH-2018 is a powerful, all-in-one air quality monitoring solution designed for professional use in demanding environments. With NDIR technology, large readable display, data logging features, and multi-parameter sensing, it ensures accurate, real-time monitoring of indoor air conditions. Whether for compliance, comfort, or safety, the GCH-2018 delivers precise and reliable results—making it an essential tool for anyone responsible for maintaining high-quality indoor environments.