HP-866B-APP Digital Anemometer,Handheld APP Data Support Wind Speed Meter
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Wanted a simple cheap anemometer to assess wind speed and max gusts for preflight of our drone. I've now used this meter for two weeks. The HP-866B satisfies our wind measurement requirement and has the added feature of temperature both F and C. I like having the low battery indicator, simple (but cheap) carrying case, as well as the back light. The elegant simplicity, measured accuracy, extremely low price point (~$23), and ease of use were my key evaluation criteria for the '5' scoring.
This is a great unit. It almost deserves 5 stars. Before I bought the HoldPeak, I purchased an Ori-Glam. The Ori-Glam was a disappointment because the vane did not work. This HoldPeak has an excellent vane on it that is well-protector from damage.
This is one of those neat things to have around. I originally bought this to measure the air speed coming out of the heating vents. It helped quantify how the sharp bend in the air duct was restricting the air flow. After the installer corrected that, I used it in setting the vents so the whole house heated evenly. It works perfectly and have not had any issues. Accurate. Fast delivery and comes with a zippered, padded case.
This is a great unit for the price! Not flimsy, and it seems pretty accurate. I drove around in my car at different speeds and this device was within 1 or 2 mph of the speedo, which is plenty good enough for my needs. And the case is better than I thought it was, instead of just flimsy material, it is somewhat sturdy, enough to hold it's shape when empty, and it provides some padding.