Extech EN510 10-in-1 Environmental Meter
The Extech EN510 is a powerful all-in-one environmental meter designed to measure multiple environmental conditions quickly and accurately. This versatile tool combines the functions of several instruments into one compact device, making it ideal for professionals who need reliable results without carrying multiple meters.
The EN510 environmental meter can measure air velocity, airflow, temperature, humidity, and light levels, along with other key environmental factors. This makes it a practical solution for HVAC engineers, building inspectors, and safety professionals.

Multi-Function Environmental Testing Made Simple
The Extech EN510 is a true 10-in-1 environmental meter, capable of measuring:
- Air velocity
- Air flow
- Air temperature
- Type K temperature (surface temperature)
- Humidity
- Dew point
- Wet bulb
- Heat index
- Wind chill
- Light levels
This wide range of measurements allows the Extech EN510 environmental meter to be used in many industries, from building maintenance to industrial safety.
Accurate and Reliable Measurements
The Extech test tool is designed for accuracy and consistency. It includes:
- A low friction vane wheel for precise air velocity readings
- A capacitive humidity sensor for reliable humidity measurements
- A photo diode sensor with cosine and colour correction for accurate light readings
These features ensure the Extech EN510 environmental meter delivers dependable results across all measurement types.
Easy to Use and Built for the Field
The Extech EN510 is designed for real-world use. Its rugged and compact design makes it suitable for both indoor and outdoor environments.
- Backlit LCD display for clear readings
- Data hold and Min/Max functions
- Auto power-off to save battery
- Lightweight and portable design
This makes the EN510 environmental meter easy to use during inspections, audits, and routine checks.
Why Choose the Extech EN510?
The Extech EN510 is ideal for professionals who need a flexible and reliable environmental meter. Instead of using multiple devices, this single unit provides all the key measurements needed for environmental testing.
Whether you are checking airflow in HVAC systems, measuring humidity, or assessing light levels, the Extech EN510 environmental meter is a practical and efficient solution.
Technical Specifications
| Features | |
| Functions | 10-in-1 environmental measurements |
| Air Velocity Range | 0.4 to 20 m/s |
| Air Flow Range | Up to 1,271,300 CFM |
| Temperature (Air) | 0 to 50°C |
| Temperature (Type K) | -100 to 1300°C |
| Humidity Range | 10 to 95% RH |
| Humidity Accuracy | ±0.4% RH |
| Light Measurement | 0 to 20,000 lux |
| Sensors | Vane wheel, humidity sensor, photodiode |
| Display | Backlit LCD |
| Functions | Data hold, Min/Max |
| Power Supply | 3 × AAA batteries |
| Dimensions | 153 × 58 × 25 mm |
| Weight | 160 g |
| Certifications | CE |
| Warranty | 2 years |
❓ Frequently Asked Questions (FAQ)
Q1: What does the Extech EN510 measure?
A. The Extech EN510 is an environmental meter that measures air flow, air velocity, temperature, humidity, and light levels.
Q2: Is the Extech EN510 suitable for HVAC use?
A. Yes, the Extech EN510 environmental meter is widely used for HVAC testing, including airflow and temperature measurements.
Q3: Can the EN510 measure surface temperature?
A. Yes, it supports Type K thermocouple probes to measure surface temperatures up to 1300°C.
Q4: Does the Extech EN510 measure light levels?
A. Yes, this environmental meter includes a built-in light sensor that measures illumination in lux and foot-candles.
How Environmental Meters Are Used in Industry
An environmental meter is used to measure different environmental conditions in one device. Tools like the Extech EN510 are designed to simplify testing by combining multiple functions into a single unit.
HVAC and Airflow Testing
In HVAC systems, airflow and temperature must be carefully controlled. The Extech EN510 environmental meter helps engineers measure air velocity and air flow, ensuring systems work efficiently.
Workplace Safety and Comfort
Temperature and humidity affect worker comfort and safety. An environmental meter allows businesses to monitor these conditions and make improvements where needed.
Industrial and Building Inspections
Inspectors use tools like the Extech EN510 to check multiple environmental factors at once. This reduces the need for multiple devices and speeds up inspections.
Energy Efficiency
By measuring airflow, temperature, and light levels, an environmental meter helps identify areas where energy can be saved.
Why Multi-Function Meters Matter
Using a single device like the Extech EN510 environmental meter improves efficiency, reduces equipment costs, and simplifies testing.
Final Thoughts
The Extech EN510 is a practical and easy-to-use environmental meter for professionals who need multiple measurements in one device. With airflow, temperature, humidity, and light measurement in one compact unit, the Extech EN510 environmental meter is a smart choice for inspections, testing, and routine monitoring.