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Humidity,dewpoint,cleanrooms,relative humidity,HVAC
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Humidity, dewpoint and temperature measurement instruments |
Relative humidity (RH) is defined as the ratio of the water vapor pressure or water vapor content to the saturation vapor pressure or the maximum vapor content at the temperature of the air or gas. The saturation vapor pressure in the air varies with air temperature, the higher the temperature, the more water vapor it can hold. When saturated the relative humidity in the air is 100 %RH. |
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Humidity and Dewpoint Transmitters for Fixed Installations |
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Vaisala Humidity |
HMT330 |
HUMICAP® Humidity and Temperature Transmitter for demanding industrial applications |
HMT360 |
Intrinsically Safe Humidity Transmitters Trasnmitters for use in potentially explosive atmospheres |
HMT100 |
Humidity and Temperature transmitters for demanding HVAC applications. 2-wire loop powered or 3-wire voltage outputs, interchangeable probe |
HMD60 / HMD70 |
Duct-mounted humidity and temperature transmitters for air conditioning applications, IP65 protected. |
HMW60 / HMW70 |
Wall-mounted humidity and temperature transmitters for air conditioning applications, IP65 protected |
HMD40 / HMD50 |
Duct-mounted transmitters for air conditioning systems; they combine excellent stability with easy installation and reliable operation. IP65 protected. |
HMW40 / HMW50 |
Wall-mounted transmitters for air conditioning systems; they combine excellent stability with easy installation and reliable operation. |
HMT300TMK |
HUMICAP® Turbine Mounting Kit, heated probe enables accurate humidity readings in water vapor injection applications |
Vaisala Dewpoint |
DMT340 |
Designed for industrial low dewpoint measurements below 10% (RH). Ideal for dry air monitoring and plastic dryers. Optional data logging and (W)LAN interface. |
DMT346 |
Constructed for humidity measurement in industrial drying applications with particularly high temperatures. |
DMW19 |
Designed for wall mount dewpoint measurement applications. Ideal for HVAC system integrations |
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Automation Components |
ACI A/RH |
Relative Humidity transmitters, convert a resistance
change to a linear 4 to 20 mA, 0 to 5 VDC, or 0 to 10 VDC output. The current signal may be transmitted over long distances on twisted-pair wire and will not be affected by the lead wire resistance or electrical noise. 1%, 2%, 3%, and 5% Accuracies |
A/RH-TEMP |
Relative Humidity transmitters, convert a resistance to a linear 4 to 20 mA, 0 to 5 VDC, or 0 to 10 VDC output. The current signal may be transmitted over long distances on unshielded twisted-pair wire and will not be affected by the lead wire resistance or electrical noise. |
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RH Fixed Installation
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