Extech EN300 5-in-1 Environmental Meter - Measures Air Velocity, Light, Humidity, Temperature & Sound Level - Compact Multi-Function Tester with Large LCD & Data Hold for Field and Indoor Monitoring

The EN300 Measures Humidity, Temperature, Air Velocity, Light and Sound. Rugged 5-in-1 environmental meter with tripod mount and RS-232 PC interface. Large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity. Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light-Sound Mode. Data Hold, Min/Max, Auto power off, Low Battery/Overrange indication. Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots. Built-in precision thin-film capacitance humidity sensor for fast response. Built in thermistor for ambient temperature measurements. Type K input measures temperature to 2372° (1300°C). Utilizes precision photo diode and correction filter for Cosine and color corrected light measurements. Sound Level measurement meets IEC 61672 class 2 using A frequency weighting and fast response time. Complete with Type K thermocouple probe, pouch case, and six 1.5V AAA batteries.

• Five Essential Measurements in One Device - Get air velocity, light intensity, relative humidity, temperature, and sound level all from one compact tool, saving you time and space in the field or workplace.
• Perfect for Environmental Monitoring - Whether you're checking air quality in a lab, adjusting HVAC systems, or auditing noise and light levels in classrooms or offices, the EN300 gives you reliable readings instantly.
• User-Friendly Design with Large LCD Display - The oversized screen clearly shows multiple parameters, while intuitive controls and one-hand operation make testing simple, even for beginners or busy professionals.
• Data Hold & Max/Min Functions - Lock readings on screen with data hold, and review min/max values to better track environmental changes over time—perfect for troubleshooting or compliance documentation.
• Portable & Built for Field Use - Lightweight and durable, this meter fits in your toolkit or backpack and is powered by standard batteries, making it easy to take on inspections, job sites, or environmental surveys.