Frequently asked questions on Extech Meters- more>>
Anemometers
1. General Info-what is an anemometer. What is the best application for vane or hot wire anemometers.
What is CFM? -more>>
2. Anemometer Product Comparison- View pdf file>>
3. Helpful tips on calculating volume for square and round ductwork.-more>>
4. How much wind power does a home wind turbine need? You need to collect wind speed data do determine the viabilty of your site-more>>
Humidity Meters / Hygro-Thermometers
1. General info- what is a hygro-thermometer, dew point, wet bulb measurements and more. Recommendation for meters that measure both humidity and dew point- more>>
Infrared IR Thermometers
1. IR Thermometer Product Comparison- View pdf file>>
2. Using a Forehead Thermometer- View more>>
Light Meters
1. General info- what is a light meter. How to measure Lux, Lumens and Foot candles. View chart of common light levels- more>>
2. Light Meter Product Comparison- View pdf file>>
Sound Level Meters
1. General info- How do Sound Level Meters and Dosimeters differ? What is frequency and time weighting ? more>>
2. Sound Level Meters Comparison - View pdf file>>
Water Quality Meters
1. General info- What is pH, ORP, Conductivity and Dissolved Oxygen ? Learn about the best pH meter for measuring semi-solids or soil pH. more>>
2. pH, ORP Product Comparison-View pdf file>>
3. pH Meters-Make wine and cheese like a pro. Top Five uses you probably never thought of- more>>