Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Price: $1,230.29
Ships directly from the manufacturer.
The long range MK-III-LR features a powerful new 2.4 GHz spread spectrum radio that increases range to 1 mile line of sight. It also features an industry best, real time 2 second wind speed and direction update interval.
Please note: To receive the readings and display them on a computer, wall display, or cloud based system, a receiving unit is required. Receiving units that work with this device are:
Product Features:
Temperature: –40 to 140 ºF (–40 to 60 ºC); accuracy ±0.4 ºF (±0.2 ºC).
Barometric Pressure: 300 to 1100 mbar; accuracy ±0.5 mbar; resolution 1 mbar.
Relative Humidity: 0–100%; accuracy ±2% for 10 ≤ %RH ≤ 90 at 25 ºC; resolution 1%.
Wind Speed: 0–67 m/s.
Wind Direction: 0–360º.
Rainfall: 28.6" per hour; resolution to 0.01"; accuracy ±2% at 1" per hour.