• ➤【Pro Air Flow CFM Anemometer 】Accurately measures wind velocity in 5 units: m/s, km/h, ft/min, knots, mph. wind temp in ℃/℉ , air flow in CFM CMM. Allows you to record 600 groups of wind data, and comes with carrying storage case that provides good protection and keep everything together.
• ➤【Higher Range Wind Speed Meter 】Higher Wind Speed Range: 0.001~100 mph (Accuracy: /- 3% /- 0.2 reading), Resolution: 0.001. Air temperature range 32.0-113.0 ℉(0~45℃), Resolution 0.1. And also provides Current, Max, Min, 2/3 Max, Average of wind velocity, wind flow readings
• ➤【Airflow CFM Meter】BT-846A wind speed gauge measures Wind flow range: CFM 0-999900 ft3/min, Resolution: 0.001-100, Air flow area : 0.001-9999 ft2. You can just set the cross sectional area of the register or vent, the air volume will display in CFM/ CMM synchronously during the air flowing measurement.
• ➤【Separated Extendable Wind Sensor】Built with user-friendly extendable wind sensor vane, so you can still look at the readings easily while you testing balancing the AC or dust collection system. 1.69 x 2.36 inch large Backlit LCD display can help you read the wind changes easily.
• ➤【Must Have for Air Balancing】 Designed for HVAC trouble-shooting, air flow balancing. The separated wind speed sensor can be replaced if it’s broke to increase the service life. Manual or Auto power off after 5 mins without operation to save the battery. 12 months warranty for any quality problem