Description Overview GAOTek air flow anemometer – Auto power off are all CE approve and in accordance with the specification 3.94 in(10cm) big fanleaf design, response speed degree fast, accurate degree high to measure wind speed, wind and built in Switzerland Swedish humidity degree and co2 sensing element possessed large backlit display screen, square then for use in the dark you can view multi-point average and the time-weighted average you can buy another round or square hood, free calculated outlet size. Features Measures air velocity, volume, CO2, temperature, humidity, dew point & wet bulb temperature 10cm diameter vane type with auto airflow cone recognition NDIR waveguide technology CO2 sensor Max or min value, Hold function Unlimited points average auto calculation Time-weighted average auto calculation Inlet and outlet measurement possible Auto power off after 20 mins of inactivity Low battery indicator Blue backlight for operation in dark areas Technical Specifications Wind Speed Range 0.2 m per s to 30 m per s Winds Accurate Degree Winds < 20 m per s: ± (Read Value 1.5 % 0.3 m per s) Winds ≥ 20 m per s: ± (Read Value 3 % 0.3 m per s) Carbon Dioxide Range 0 ppm to 9999 ppm (Outside the measuring range: 5001 ppm to 9999 ppm) Carbon Dioxide Accurate Degree ± 30 ppm ± 5 % (When measuring range from 0 ppm to 5000 ppm) Wet Degree Model Range 0.1 % RH to 99.9 % RH Wet Degree Resolution 0.1 % RH Wet Degree Accurate Degree ± 3 % RH (Accuracy to ± 5 % RH beyond the range of 10 % RH to 90 % RH) Warm Degree Reaction Time Approximately 60 second Wet Degree Reaction Time Approximately 60 s Screen Wind Speed Degree Per second Wind Display 0 to 99999 m3 per s Analytical Wind Degree 0.1 (When the air flow is between 0 to 9999.9 m3per s) or 1 (When between 10000 to 99999 m3per s) Operating Environment RH % 0 % RH to 80 % RH Storage Environment RH % 0 % RH to 90 % RH Powered by AAA Battery x 4 (Not Including Package) Optional Accessory Airflow Cone (W/soft Carry Case), Cone Extension Stick Standard Package Meter, Batteries, Manual, Hard Carry Case Warm Degree Resolution 0.1 °F (0.1 °C) Warm Degree Accurate Degree ± 1.08 °F (± 0.6 °C) Warm Degree Model Enclose -4 °F to 140.0°F (-20 °C to 60.0 °C) Wet Bulb Temperature Display -4 °F to 59.9 °F (-20 °C to 59.9 °C) Dew Point Temperature Display 23 °F to 59.9°F (-5 °C to 59.9 °C) Operating Temperature 33 ℉ to 122 ℉ (0 ℃ to 50 ℃) Storage Temperature 14 ℉ to 122 ℉ (-10 ℃ to 50 ℃) Screen Size 2.13 in × 1.28 in (5.4 cm×3.25 cm) Product Size 10.59 in×4.1733 in×2.007 in (26.9 cm ×10.6 cm ×5.1 cm) Weight 7.05 oz (200 g)
