The Kelway tester operates on the principle of electrical potential between two dissimilar metal plates - without batteries or any external power source
Quick release tree hook on end of tape
moving underbrush
fine and standard (plate kit sold separately below)
provides excellent hearing protection in noisy environments
Kestrel 5500 Weather Meter with Link Hamilton The Kelway tester operates onComplete professional weather meter. Measures wind speed, temperature, humidity, barometric pressure, altitude, dewpoint, wet bulb temp, heat stress, density altitude and wind chill. Includes digital compass to provide wind direction, crosswind, tailwind headwind. Auto and manual memory stores up to 10000 data points with graphical display of data. Waterproof, floats and includes lanyard and soft carry pouch. Patented user replaceable impeller. Quick