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The 6″ combination Wind Speed and Direction is a single dial in a highly polished and lacquered brass case
Air Temperature Plus External Probe Temperature Measurements Extech RH300 Hygro-Thermometer Psychrometer
Supports separation between balloon
Sensor Connector: USB
SkyScan EWS Pro 2 Lightning Detector – Advanced Storm Tracking System Comfortmeter The 6″ combination Wind SpeedEWS PRO 2 Lightning Detector It is the only professional grade portable lightning detector and early warning device available today and NOW ITS ONLY BETTER! In a NEWLY DESIGNED rugged self contained case, it has the electronic sophistication to detect lightning over 40 miles away, and to accurately track a storms approach and departure with both its large LED visual alerts and its audible 105db alert horn. The LED alerts cover four ranges, 0 3 miles 3
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