Tachometer RPM Gauge Unboxing and Review

Hello YouTube Friends and Family In this video is a Unboxing of a Tachometer that I will be using to show the RPM of my wind turbine, I will be using this to test different blade sets and swept area of the blades. and number of blades to see what blade sets offer the most output from my turbine, and other turbines I will like to test. here is a description of the Item you see me showing in this video It is 4 Digital Red LED Tachometer RPM Speed Meter+Hall Features & Specifications Power requirement: DC 12/24V Measure range 5-9999RPM. Clear zero: Automatic. Clear zero time about 10s.the greater the RPM value,the longer the clear zero time. Refresh frequency: 0.2-0.5S@120-1200RPM;0.25-0.06S@2400-9999RPM. Measure indication:RPM 5000,±2;RPM 5000,±3. Display:RED 0.56" LED Sign:Pusle signal,Hall NPN 3 wires normally open. Hall proximity model:NJK-5002C Appearance:M12mm cylinder. Detection range: 10mm Proximity output current: 200mA Detected objects: magnet Response frequency: 100HZ Tachometer dimension:72x36x20mm,panel cutout Dimension:68x33mm. Sensor dimention: M12x10x55mm. Sensor wiring:brown-Power+;blue-Power-;black-signal. Operating temperature: 0 to 50°C. I got this item off eBay http://www.ebay.com/itm/251369593713?... I got this item off eBay http://www.ebay.com/itm/251369593713?... I paid $18.99 for this item So subscribe to see more testing and unboxing and reviews on this channel I will show how the test is set up, I will have multiple camera angle shots as well. I have new video editing software for the use of multiple cameras so you can see what I see. So please Comment, Like and subscribe and share my videos, You can also visit my website were in the future I will be promoting the products that work, and also at my website you can find how to videos and more and product links as well. and soon you will be able to see live video footage of my meters wind turbine and rpm gauge so stop by. http://mccuneswindandsolar.com/