Ambient Weather WM-4 Handheld Weather Station w/ Windspeed, Direction, Temperature, Humidity, Compass, Dew Point, Comfort Index, Psychrometer

Amazon Price: $129.99 (as of March 25, 2018 3:30 am - Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Current wind speed, Maximum wind rate, Average wind rate
Wind measurement systems: knots, mph, kph, feet/minute, meters/second, Beaufort
Wind direction in levels and also compass factors
Computes cross wind, head/tail wind
Existing temperature level ( ° F or
° C). Existing humidity ( ° F or
° C). Present wet bulb ( ° F or
° C). Current wind chill( ° F or
° C). Present loved one humidity (% RH).
Existing Delta T. ® patented Comfort IndexTM.
U.S.A fluxgate compass.
Swiss-made impeller.
Lifetime adjusted Swiss-made moisture sensor.
Backlit LCD present.
Vehicle shutoff after 5-min.
Threaded for tripod installing.
Pocket-knife layout to protect unit when not being used.
Adjustable lanyard.
Water immune and also floats.
Wind rate variety:.8 -89 miles per hour.
Wind rate accuracy: ± 3% when aligned with winds axis.
Existing wind response time: 1-sec.
Avg wind reaction time: over 10 sec.
Max wind reaction time: 1-sec.
Cross wind head/tail wind response time: 5 sec.
Wind instructions response time: 1 sec.
Temperature range: -20 ° to
+158 ° F. Temperature accuracy: ±
1.8 ° F. Temperature reaction time: 1 min.
Dew point range: -20 ° to
+158 ° F. Dew point precision: ± 3.6 °
F. Dew factor response time: 1 minutes.
Damp bulb precision: ± 3.6 ° F. Wet light bulb variety: 32 ° to
100 ° F. Wet light bulb reaction time: 1-min.
Wind chill range: -50 ° to
+50 ° F. Wind cool accuracy: ± 1.8 ° F.
Wind chill action time: 1 sec.
Rel. moisture variety: 5-95%.
Rel. moisture precision: ± 3%.
Rel. humidity feedback time: 1 min.
Delta T action time: 1-min.
Compass accuracy: ± 2 °.
Compass variety: 0 to 360.
Compass feedback time: 1 sec.
Various other Specifications:.
Power: CR2032 Lithium battery (consisted of and also changeable).
Measurements: 5.5" x 1.75" x. 75".

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