OMEGA HHF144A-V Precision Handheld Rotating Metal Vane Hygro-Thermo Anemometer (1.5~35.00 MPS, 1" Probe, 0 ~ 5 Vdc Output, 5.0 ~ 95% RH, -20 ~ 80°C)

Velocity Range: 1.5 to 35.00 MPS (300 to 6800 FPM)

Accuracy: ±0.75%

Relative Humidity: 5.0 to 95% RH

Temperature (Using Standard Combination Temp/Humidity Probe): -20 to 80°C (-4 to 176°F)

Probe Diameter: 1"

Probe Length (Maximum): 1"

Output Signal: 0 to 5 Vdc

Features: NIST Cert, Volume Calculation, Temperature, Humidity

Accuracy

      Air Velocity: ±1.0% of reading ±1-digit

      Temperature: ±(0.3°C + 0.2% of reading in °C)

      Relative Humidity: ±2.0% RH

Resolution

      Air Velocity: 1 FPM or 0.01 MPS

      Temperature: 0.1°F or °C (1°F below -99.9°F)

      Relative Humidity: 0.1% RH

Response Time

      Relative Humidity: Up to 90% of change in measured value in 15 seconds

      Temperature: Approx. 60 sec in still air; Approx. 10 sec in moving air streams

Display: 12.7 mm (0.5”) LCD, 4-digits,  with LED backlight

Operating Temp

      Instrument: 0 to 50°C (32 to 125°F)

      Air Probe: -20 to 100°C (-4 to 212°F)

Temp/Humidity Probe: -20 to 80°C (-4 to 176°F)

Power Supply: 3 “AA” alkaline

batteries (included)

Battery Life: Approximately 150 hours

Dimensions:

      Instrument: 165 x 83 x 38 mm (6.5 x 3.25 x 1.5")

      RH/Temp Probe: 152 x 25 mm (6 x 1") diameter

Comes complete with vane probe 25 mm (1"), a voltage output, 3 extension rods (flexible, straight and with handle), 1.5 m (5') cable, 3 “AA” alkaline batteries, hard carrying case, NIST calibration certificate and operator’s manual.