Fluke 922 Airflow Meter / Micromanometer

Overview of Fluke 922 Airflow Meter/Micromanometer

The Fluke 922 Airflow Meter/Micromanometer is a versatile and user-friendly tool designed for HVAC (Heating, Ventilation, and Air Conditioning) professionals. It combines a differential pressure meter, airflow meter, and velocity meter into a single handheld device. This makes it an invaluable tool for diagnosing and optimizing HVAC systems.

Key Features:

1. Differential Pressure Measurement:

   • Measures differential pressure with a range of -60 in H2O to +60 in H2O (-150 mbar to +150 mbar).

2. Air Velocity Measurement:

   • Can measure air velocity in a range of 250 to 16,000 ft/min (1.27 to 78.7 m/s).

3. Airflow Measurement:

   • Capable of measuring airflow in a range of 0 to 99,999 cfm (0 to 99,999 l/s).

4. Simultaneous Display:

   • Displays pressure, airflow, and velocity simultaneously for comprehensive analysis.

5. User-Friendly Interface:

   • Features a simple, intuitive interface with easy-to-read display.

6. Duct Size and Shape Compensation:

   • Allows input of duct shape and dimensions to calculate accurate airflow readings.

7. Data Logging:

   • Can store up to 99 readings for later analysis.

8. Rugged Design:

   • Built to withstand the tough conditions often found in HVAC environments.

9. Backlit Display:

   • Large, backlit LCD display for easy reading in low-light conditions.

10. Battery Operated:

    • Operates on standard AA batteries, providing up to 40 hours of use.

Applications:

• HVAC System Performance:

  • Diagnosing and optimizing airflow in HVAC systems to ensure efficient operation.

• Ventilation Checks:

  • Checking ventilation in buildings to maintain air quality and compliance with regulations.

• Filter Checks:

  • Assessing the performance of air filters by measuring pressure drops across filters.

• Duct Leakage Testing:

  • Identifying and locating leaks in ductwork to improve system efficiency.

Specifications:

• Differential Pressure:

  • Range: -60 in H2O to +60 in H2O (-150 mbar to +150 mbar)
  • Accuracy: ±1.5% of reading ±0.01 in H2O (±0.25 mbar)

• Air Velocity:

  • Range: 250 to 16,000 ft/min (1.27 to 78.7 m/s)
  • Accuracy: ±2.5% of reading ±5 ft/min (±0.025 m/s)

• Airflow:

  • Range: 0 to 99,999 cfm (0 to 99,999 l/s)
  • Calculated based on duct size and shape

Usage Tips:

1. Calibration:

   • Regularly calibrate the meter to maintain accuracy.

2. Proper Placement:

   • Ensure proper placement of the probes in the duct to get accurate readings.

3. Regular Maintenance:

   • Keep the device clean and free from debris to ensure reliable measurements.

4. Read the Manual:

   • Familiarize yourself with the manual for detailed instructions on operation and maintenance.

5. Use for Multiple Tests:

   • Take advantage of the multiple functions (pressure, velocity, airflow) to get a comprehensive understanding of your HVAC system.

Fluke 922 is an essential tool for HVAC professionals, providing precise measurements of pressure, velocity, and airflow to diagnose and optimize system performance. Its robust design and user-friendly interface make it a reliable and practical choice for fieldwork.