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Extech 45170 Environmental Meter 4-in-1

Extech | Indoor Air Quality Tools

Extech 45170 Environmental Meter 4-in-1

MPN / Part No: 45170
Price updated: Sep 24, 2026

The Extech 45170 Environmental Meter is a precise instrument for simultaneously measuring air velocity, air flow, temperature, and relative humidity, designed for HVAC engineers and technicians. With its wide measurement range and high accuracy, this device is essential for troubleshooting ventilation systems and optimizing indoor air quality.

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Extech 45170 Environmental Meter is an advanced measuring instrument designed to provide accurate data across various environmental domains.

This device can simultaneously measure air velocity, air flow, temperature, and relative humidity, making it an ideal tool for mechanical engineers, HVAC technicians, and air quality inspectors. Utilizing high-quality sensors and advanced electronics, this meter ensures high precision under various working conditions.

The ergonomic design and user-friendly interface allow users to quickly read and record the necessary data.

These features make the model 45170 suitable not only for everyday tasks in industrial sites but also for complex verification projects and troubleshooting of ventilation systems. The accuracy and reliability of this instrument make it a trustworthy choice for industry professionals.

Key Features of the Extech 45170 Environmental Meter

  • Simultaneous measurement of four parameters: air velocity, air flow, temperature, and relative humidity.
  • Air velocity measurement range from 80 to 5910 feet per minute (ft/min).
  • Temperature measurement capability in the range of 32 to 122 degrees Fahrenheit (0 to 50 degrees Celsius).
  • High-accuracy measurement of relative humidity in the range of 10 to 95 percent.
  • Robust design suitable for use in industrial and field environments.
  • Large and readable display for easy data viewing in various lighting conditions.
  • Suitable for HVAC engineers, building inspectors, and certification technicians.

Technical Specifications

Feature Value
Model 45170
Device Type 4-in-1 Environmental Meter
Air Velocity Measurement 80 to 5910 ft/min
Air Flow Measurement Calculable based on cross-sectional area
Temperature Measurement 32 to 122°F (0 to 50°C)
Relative Humidity Measurement 10 to 95% RH
Brand Extech

Frequently Asked Questions

Is this device suitable for measuring air flow as well?

Yes, the 45170 meter not only measures air velocity but also provides the calculation and display of air flow, which is very useful for HVAC calculations.

Is this meter suitable for use in humid environments?

This device has the capability to measure relative humidity and is designed for high humidity environments, but direct contact with water should be avoided.

How is the calibration of the Extech 45170 Environmental Meter performed?

It is recommended that the calibration of this device is performed periodically by authorized calibration centers to ensure measurement accuracy.

Conclusion

The Extech 45170 Environmental Meter, combining precision, reliability, and ease of use, is an essential tool for any engineer or technician working in the field of HVAC and indoor air quality.

This device, by providing accurate real-time data, significantly aids in optimizing systems and reducing energy costs. Choosing this model for professional projects and accurate troubleshooting is a wise investment.

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Extech

Extech

United States

Extech is one of the most reputable international brands in the field of test and measurement equipm...

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