Extech 45158 Mini Thermo-Anemometer Plus Humidity

Waterproof Pocket Size With Air Velocity, Temperature, %RH, Dew Point and Windchill

• Fold up protective housing extends to 9" for better reach
• Large dual display of air velocity and temperature
• Data Hold to freeze most recent display
• Auto shutoff 20 minutes after last key is pressed
• Water resistant housing floats and drop tested to 6 feet
• Complete with CR2032 lithium battery and lanyard
• Relative Humidity and Dew Point
• Dual display of air velocity and relative humidity
• Measures RH from 10% to 95%
• Measure Dew Point from 32 °F to 122 °F
• Windspeed
  • Measures ft/min, MPH, m/s, km/h,Knots and Beaufort Force
  • Selectable averaging function of 5, 10, or 13 second intervals
  • Replaceable non-corrosive plastic wind vane (impeller)
• Temperature & Windchill
  • Measures from 0-122 °F (-18 to 50 °C)

Specifications (Range / Resolution / Basic Accuracy):

• ft/min (feet per minute): 100 to 5500 ft/min / 20ft/min / +/- (3%rdg + 40ft/min)
• m/s (meters per second): 0.5 to 28m/s / 0.1ms / +/- (3%rdg + 0.2m/s)
• km/h (kilometers per hour): 1.8 to 100.6km/h / 0.7km/h / +/- (3%rdg 1.4km/h)
• MPH (Miles per hour): 1.1 to 62.5 MPH / 0.2 MPH / +/- (3%rdg + 0.4 MPH)
• knots (nautical miles per hour): 1.0 to 54.3 knots / 0.3knots / +/- (3%rdg + 0.6 knots)
• Beaufort Force: 1 to 17 BF / 1 BF / +/- 1
• Temperature: 0 to 122 °F (-18 to 50 °C) / 0.1 °F/°C / +/- 1.8 °F/+/-1 °C
• Relative Humidity: (Model 45158) : 10% to 95% / 1% / +/- 4%
• Dew Point: (Model 45158): 32 °F to 122 °F / 1° / +/- 2%
• Power: CR2032 Lithium battery
• Dimensions: 5.25 x 2.75 x 0.75" (133 x 70 x 19 mm)
• Vane: 1" (24 mm) diameter
• Weight: 3 oz. (95g)