CẢM BIẾN ĐO ĐỘ ẨM VÀ NHIỆT ĐỘ (HUMIDITY AND TEMPERATURE TRANSMITTER) VAISALA HMD82

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CẢM BIẾN ĐO ĐỘ ẨM VÀ NHIỆT ĐỘ (HUMIDITY AND TEMPERATURE TRANSMITTER) VAISALA HMD82
Mã sản phẩm: HMD82
Giá: Liên hệ
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The 2-wire HMD82 transmitter measures relative humidity and temperature in ventilation ducts. Optional outputs dew point, wet bulb temperature and enthalpy can be easily selected by a single dip switch or can be ordered preconfigured. The transmitter combines easy installation and reliable operation with low requirement for maintenance

The HMD82 transmitter is optimized for easy installation. It contains no separate small parts that can get lost. All connectors are clearly labeled and the connectors are within easy reach. The transmitter is well suited to variable duct sizes.

The excellent stability of the sensors and high quality materials ensure that the HMD82 transmitter requires minimal maintenance. If needed, the Vaisala INTERCAP® sensor can be easily exchanged in the field with practically no downtime.

You can choose an optional display.
Analog outputs are preset at the factory to:
Channel 1: 4 ... 20 mA = 0 ... 100% RH
Channel 2: 4 ... 20 mA = -40 ... +60 °C (-40 ... +140 °F) T

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Hãng sản xuất : Vaisala ( Phần Lan )

Thông số kỹ thuật :

Measurement parameter(s) Relative humidity :

Temperature
Dew point temperature*
Enthalpy*
Wet bulb temperature*

Measurement range :

0 ... 100 % RH
-40 ... +60 °C (-40 ... +140 °F) T
-40 ... +60°C (-40 ... +140 °F) Dew Point / Wet Bulb
-40 ... +460 kJ/kg (-10 ... +190 BTU/lb) Enthalpy

Measurement accuracy :

±3.0 % RH (0 ... 90 % RH)
±5.0 % RH (90 ... 100 % RH)

Operating temperature :

-40 ... +60 °C (-40 ... +140 °F) without display
-5 ... +60 °C (-23 ... +140 °F) with display

Operating voltage :

20 ... 28VDC at 600 Ohm load
10 ... 28VDC at 0 Ohm load

Analog outputs :

4 ... 20 mA

Housing classification :

IP65