Extech 45158 Mini Thermo-Anemometer+Humidity, 100 to 5500 ft/min

Waterproof pocket size with Air Velocity, Temperature, %RH, Dew Point and Wind-chill

• Display Air Velocity and either Relative Humidity, Dew Point, Temperature or Wind-chill
• Selectable averaging function of 5, 10, or 13 second intervals
• Fold up protective housing extends to 9” (229mm) for better reach
• Tripod mount (optional TR100 Tripod-sold separately)
• Data Hold with Auto power off
• Water resistant housing floats
• Replaceable plastic vane 45156
• Complete with CR2032 lithium battery and 43” (1.09m) lanyard

• HVAC
• Maintenance
• Meteorology
• Research and Development

Air Velocity Ranges / Resolution:

• ft/min: 100 to 5500 ft/min; 20 ft/min
• m/s: 0.50 to 28.00 m/s; 0.01 m/s
• km/h: 1.8 to 100.6 km/h; 0.7 km/h
• mph: 1.1 to 62.5 mph; 0.2 mph
• knots: 1.0 to 54.3 knots; 0.3 knots
  
  General Specifications:
• Display: Dual LCD with low battery and multifunction indicators
• Sensors: Sapphire bearing, non-corrosive vane for air velocity; Precision thermistor for temperature measurements
• Average Mode: Choice of 5 or 10 reading averaging (2 second factory default)
• Max and Data Hold Displays: Max recalls the highest reading; Data Hold freezes the display
• Sample Time: 1 reading per second for air velocity and temperature (1 reading per 15 seconds for humidity with 2 second updates)
• Water-Resistant: To 3’ (1m)
• Operating Conditions: 5 to 122°F (-15 to 50°C) / < 80% RH
• Power Supply: Lithium battery (CR-2032 or equivalent) / 400 hour battery life
• Dimensions / Weight: Instrument: 5.25 x 2.75 x 0.75” (133 x 70 x 19mm)
• Vane: 1” ( 24mm ) diameter / 3 oz. ( 95 g )

• Extech 45158 Data Sheet.pdf
• Extech 45158 User’s Manual.pdf