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Relative humidity相對(duì)濕度
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Measurement range測(cè)量范圍
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0 ... 100 % RH
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Accuracy (including non-linearity, hysteresis, and repeatability)精度
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with Vaisala HUMICAP® 180 or 180R
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for typical applications
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with Vaisala HUMICAP® 180C or 180RC
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for applications with chemical purge/warmed probe
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at +15 ... +25 °C (59 ... +77 °F)
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±1 %RH (0 ... 90 %)
±1.7 %RH (90 ... 100 %RH)
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at -20 ... +40 °C (-4 ... +104 °F)
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±(1.0 + 0.008 x reading) %RH
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at -40 ... +180 °C (-40 ... +356 °F)
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±(1.5 + 0.015 x reading) %RH
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Factory calibration uncertainty (+20 °C)
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± 0.6 % RH (0 ... 40 %RH)
± 1.0 % RH (40 ... 97 %RH)
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Response time (90 %) at +20 °C (+68 °F)響應(yīng)時(shí)間
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8 s / 17 s* with grid filter
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in still air
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20 s / 50 s* with grid + steel netting filter
40 s / 60 s* with sintered filter
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Temperature溫度
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Accuracy at +20 °C (+68 °F)溫度精度
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± 0.2 °C (± 0.36 °F)
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Inputs and outputs輸入和輸出
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Operating voltage工作電壓
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10 ... 35 VDC, 24 VAC
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with optional power supply module
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100 ... 240 VAC, 50/60 HZ
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Power consumption at +20 °C (Uin 24 VDC)
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RS-232
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max. 25 mA
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Uout 2 x 0 ... 1 V/0 ... 5 V/0 ... 10
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max. 25 mA
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Iout 2 x 0 ... 20 mA
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max. 60 mA
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display and backlight
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+ 20 mA
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during chemical purge
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max. 110 mA
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during probe heating (HMT337)
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+ 120 mA
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Analog outputs (2 standard, 3rd optional)
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current output
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0 ... 20 mA, 4 ... 20 mA
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voltage output
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0... 1 V, 0... 5 V, 0... 10 V
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Accuracy of analog outputs at +20 °C
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±0.05% full scale
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Temperature dependence of the
analog outputs
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±0.005%/°C full scale
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External loads外部負(fù)載
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current outputs
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RL < 500 ohm
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0 ... 1 V output
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RL > 2 kohm
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0 ... 5 V and 0 ... 10 V outputs
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RL > 10 kohm
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Max. wire size
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0.5 mm2 (AWG 20) stranded wires recommended
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Digital outputs數(shù)字輸出
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RS-232, RS-485 (optional)
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Service connection
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RS-232, USB
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Relay outputs (optional)繼電器輸出（選項(xiàng)）
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0.5 A, 250 VAC
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Ethernet interface (optional)
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Supported standards
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10/100Base-T
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Connector
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RJ45
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Protocols
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Telnet
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Software support
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Vaisala MI70 link
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Ethernet interface (optional)
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Supported standards
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802.11b
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Connector Type
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RP-SMA
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Protocols
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Telnet
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Security
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WEP 64/128,WPA
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Software support
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Vaisala MI70 link
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Authentication / Encryption (WLAN)
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Open / no encryption
Open / WEP
WPA Pre shared key / TKIP
WPA Pre shared key / CCMP (a.k.a. WPA2)
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Optional data logger with real-time clock
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Logged parameters
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max. three with trend/min/max values
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Logging interval
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10 sec (fixed)
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Max. logging period
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4 years 5 months
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Logged points
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13.7 million points per parameter
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Battery lifetime
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min. 5 years
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Display顯示
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LCD with backlight, graphic trend display of any parameter
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Menu languages語言
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English, Chinese, Japanese, Spanish, German, French, Swedish, Russian, Finnish
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