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Absolute humidity and temperature

Absolute humidity and temperature
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HD3817T… HD38V17T… [ I ] Trasmettitore attivo di umidità assoluta e temperatura [ GB ] Absolute humidity and temperature active transmitter [ E ] Transmisor activo de humedad absoluta y de temperatura [ F ] Transmetteur actif d’humidité absolue et température [ D ] Aktiver Transmitter für absolute Feuchte und Temperatur

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[ GB ] [ GB ] Description The HD3817T... and HD38V17T... are double absolute humidity and temperature active transmitters with 4...20mA current or 0...10Vdc voltage outputs, respectively. Absolute humidity is the ratio between the mass of water vapour and the measured volume of air, and is expressed in g/m3. The transmitters of the HD3817T... family may be used in materials humidity control during a drying process. When the materials are dried through heating or a hot air flow, the air absolute humidity increase is directly proportional to the quantity of water lost by the materials. A...

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Calibration The instruments are calibrated in the factory; no calibration is required by the user. Installation Notes Each probe is calibrated in the factory with its transmitter: A probe cannot be used onto another transmitter. The transmitter has to be installed into a position with good air circulation. The probe orientation is not important. To set the probe in a ventilation channel, into a duct, inside a dryer, etc. you can use the HD9008.31.12 flange, a PG16 (10…14mm) metallic fairlead or a 3/8” biconical universal fitting. HD9008.31.12 flange H L A A D D L PG16.12 metallic fairlead D...

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Delta Ohm srl - Via G. Marconi, 5 - 35030 Caselle di Selvazzano (Pd) - Italy Tel. 0039 0498977150 r.a. Fax 0039 049635596 - E-mail: deltaohm@tin.it Web Site: www.deltaohm.com RoHS 2002/95/EC 01 05.08 Manufacture of portable and bench top instruments Current and voltage loop transmitters Temperature - Humidity - Pressure Air speed - Light - Acoustics pH - Conductivity - Dissolved Oxygen - Turbidity Elements for weather stations - Thermal Microclimate SIT CENTRE N°124 Temperature - Humidity - Pressure - Air speed Photometry/Radiometry - Acoustics CE CONFORMITY • Safety: EN61000-4-2, EN61010-1...

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