HHF144B_HHF144A手持旋转叶轮风速计美国OMEGA欧米茄
Measure Relative from 5.0 to 95% RH
Measure Airflow in Environments from -20 to 100°C (-4 to 212°F)
Temp Measurements in Humidity Sensor Standard
Minimum and Maximum Air Speed and Temp
Analog Voltage Output and Communication Options
The OMEGA? HHF144 rotating vane hygro-thermometer anemometer is a high quality instrument providing highly accurate humidity, air velocity, and temperature measurements in harsh environments via a user friendly and intuitive interface. Applications include manufacturing, laboratory, computer rooms, environmental control, flow hood monitoring, and other applications where precise air measurement is required.
SPECIFICATIONS
Ranges
HHF144A: 1.5 to 35.00 MPS (300 to 6800 FPM)
HHF144B: 0.2 to 40.00 MPS (40 to 7800 FPM)
Relative Humidity: 5.0 to 95% RH
Temperature (Using Standard Combination Temp/Humidity Probe): -20 to 80°C (-4 to 176°F)
Temperature (Using Optional Separate Temperature Probe): -95 to 200°C (-139 to 392°F)
Accuracy
Air Velocity:
2.75" Probes: ±1.0% of reading ±1-digit
1" Probes: ±0.5% FS +0.75% of reading ±1-digit
Temperature: ±(0.3°C + 0.2% of reading in °C)
Temperature Accuracy Examples: ±0.3°C @ 20°C (±0.5°F @ 68°F)
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")
HHF144A: 25 mm (1") diameter
HHF144B: 70 mm (2.75") diameter
RH/Temp Probe: 152 x 25 mm (6 x 1") diameter