HHF144A風速計

手持旋轉(zhuǎn)葉輪風速計
HHF144 Series
手持旋轉(zhuǎn)葉輪風速計

從5到95%的相對濕度測量相對
測量氣流環(huán)境中從20到100°C（4至212°F）
在濕度傳感器的溫度測量標準
*小和*大的空氣速度和溫度
模擬電壓輸出和通信選項
歐米茄?hhf144旋轉(zhuǎn)葉片式溫濕度計風速計是一種高質(zhì)量的儀器提供高精度的濕度，空氣流速，
和溫度測量在惡劣的環(huán)境中通過一個用戶友好和直觀的界面。
應用包括制造，實驗室，微機室，環(huán)境控制，
流罩監(jiān)測，和其他應用程序需要**的空氣測量。

規(guī)格：
量程
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: ±1.0% 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

注釋: Comes with NIST certificate (No data points), vane sensor [25 or 70 mm (1 or 2 3.4") depending on model],

3 extension rods (flexible, straight and with handle), 1.5 m (5') cable, 3 "AA" alkaline batteries, hard carrying case and user's manual. "-T" models, also include temperature/humidity sensor.
For units with a protective boot add "-PB" to the model number and $55 to the price.
For units with USB communications add "-USB" to the model number and $195 to the price.
For units with a voltage output add "-V" to the model number and $225 to the price.

產(chǎn)品型號/產(chǎn)品描述
HHF144A Handheld anemometer with 25 mm (1") dia. probe
HHF144B Handheld anemometer with 70 mm (23.4") dia. probe
HHF144A-T Handheld anemometer/temperature/humidity meter, 25 mm (1") dia. probe
HHF144B-T Handheld anemometer/temperature/humidity meter, 70 mm (23.4") dia. probe
Accessories
HHF140B-RP Replacement 70 mm (2.75") vane probe
HHF140B-RP-T Replacement 70 mm (2.75") vane probe with temp sensor
HHF140A-RP Replacement 25 mm (1") vane probe and 1.5 m (5') cable
HHF140A-RP-T Replacement 25 mm (1") vane probe with temp sensor and 1.5 m (5') cable
HHF144-HP Replacement temperature/humidity probe
MN1500-4 Replacement batteries, AA size, pkg of 4

HHF144A風速計

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