Kestrel 3500 Delta T Waterproof Weather Meter/Digital Psychrometer, Yellow

The Kestrel 3500 Delta T Waterproof Yellow Weather Meter/Digital Psychrometer is the handheld weather-monitoring device that provides a wide range of functions, plus accurate relative humidity measurements. Before the Kestrel 3000 came along, the technology required to gather this information would require masses of equipment - but not anymore. The Kestrel 3000 Weather Meter measures essential environmental parameters like temperature and wind speeds and has added advantages for professionals who need access to humidity and heat stress readings.Because of its compact size and high durability, the Kestrel 3000 and Kestrel 3500 have become the pocket weather meters of choice for Wildland firefighters, concrete professionals, even professional coaches - all of whom need accurate weather info to properly access environmental conditions and make crucial decisions. The Kestrel 3000's sensitive and user-replaceable impeller technology provides accurate wind speed info. Additionally, an external temperature sensor and waterproof casing allow you to gauge the temperature of water (it even floats) and snow, as well as the open air.