OMEGA Air Velocity Meter with CFM/ BTU/ Dew Point/ Wet Bulb/ Temp/ Humidity HHF11A

OMEGA Air Velocity Meter with CFM/ BTU/ Dew Point/ Wet Bulb/ Temp/ Humidity HHF11A • Measures: Temperature, Dew Point, Relative Humidity, Wet Bulb, Air Velocity, Air Volume, Capacity • Lightweight, Easy to Maneuver Measurement Vane • Single Point Average • ° C/ ° F Selectable • Auto Power Off After 10 Minutes of Inactivity • Jumbo Display • Ball Bearing Fan SPECIFICATIONS Maximum Reading: 99, 999 Cable Length: 50 cm extends to 1.5 m ( 20 " extends to approx. 5' ) Vane Diameter: 74 mm ( 2.9 " ) Vane Size ( H x W x D) : 164 x 74 x 40 mm ( 6.45 x 2.9 x 1.57 " ) Unit Size ( H x W x D) : 157 x 62 x 28 mm ( 6.18 x 2.44 x 1.1 " ) Display Size ( H x W) : 34 x 47 mm ( 1.3 x 1.85 " ) Digit Height: 18 mm ( 0.7 " ) Display: High-contrast 5-digit display Power: 4 “ AAA” batteries ( included) Weight: 263 g ( 9.28 oz) without batteries Response Time: 1 second Operating Current: 5 to 8 mA Operating Temperature: 0 to 50° C ( 32 to 122° F) Operating Humidity: Less then 90% RH Measurement Range Resolution Accuracy Air Velocity 0.3 to 35 m/ s ( 1 to 114 ft/ s) 0.1 ± 5% Air Volume 0 to 99, 999 m³ / min ( 0 to 99, 999 ft³ / min) 0.1 ± 5% Capacity 0 to 99, 999 BTU/ h ( 0 to 99, 999 kW) 0.1 ± 3% Temperature -20 to 60 ° C ( -4 to 140° F) 0.1° ± 0.6° C ( 1° F) Humidity 0 to 100% 0.1% ± 3% from 10 to 90% ± 5% above 90% Dew Point -68 to 70° C ( -90 to 158° F) 0.1° ± 3% from 10 to 90% ± 5% above 90% Wet Bulb -22 to 70° C ( -7.6 to 158° F) 0.1° ± 3% from 10 to 90% ± 5% above 90%