Handheld Anemometer, Anti-dust CFM Meter With Touch Button, Rechargeable Wind Speed Gauge for Air Flow, Chill, Temp Test, Waterproof LCD Backlight

This really worked well in Fontana, CA. Lots of very breezy conditions to measure.

Did not come with a case as shown in the advertisement.

I’m no engineer but I think it works, was having trouble with a sandblast dust collector and wanted to see what the cfm was as opposed to what it claims to have. It helped me get it working as it should. It has a lot of options, I only used the cfm function. Great price for a tool that comes in handy.

Very nice device. The speed indicator is extremely sensitive and can measure less than 1 mph. Wind speed settings can be displayed in mph, kph, and knots for boaters. Backlight works very well providing a clear display.

Grandson likes this. He has an interest in weather. Item seemed sturdy and reliable, re-out was good.

I immediately tried putting this to work diagnosing a split system with excessive coil sweat: airflow measured within spec, but temp read was 15 degrees off. Both probe and temp gun clocked the air at 54, this read it at 69. I didn't buy it for that feature, but it could cause the unwary some issues. Like that is chargeable rather than taking batteries, but it's lack of temperature calibration makes me distrust it's accuracy in reading airflow. As I've no other instrument to check against it and the read was reasonable, I'm willing to run with it for now.

Nice handheld Anemometer. Very easy to read display and buttons. Very easy to use. The price was dropped so I snagged it. The compass on top is not accurate at all. I will remove it and re-glue it back in with the proper direction.

Thought it was not working but after I unplugged the battery cable and reattached it the unit turned on. Be aware that you must hold your finger on the power switch for more than a few seconds before it turns on. A quick press will not work. After it started, I set the units and this is incredibly sensitive to air flow. Bare wisp of air will spin the cups. The touch screen works very well. This was an awesome purchase and a great price.