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| urn | aircraft:bt-67:hmt333 |
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| contenttype | Summary |
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The setra 239 model HMT333 is used for measuring differential pressure for the basic meteorology at the nose of the aircraf. Additionally, it is used with the Turbulence Noseboom where setra239 transducers are connected to a 5-whole probe. The Model 239 is a transducer designed for extremely low pressure ranges (+/- 2.7 inch WC) and a wide temperature range (-18 to +80°C)temperature and relative humidity during flight. |
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| urn | aircraft:bt-67:hmt333 |
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| contenttype | Metadata |
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| urn | aircraft:bt-67:hmt333 |
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| contenttype | Images |
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No images available. Image Added |
Contacts
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| urn | aircraft:bt-67:hmt333 |
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| Name | Institution | RoleNo contacts available.
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Available
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Devices and Specifications
HMT333 consists of a sensor unit place in a Rosemount housing on the aircraft skin or the skin of the turbulence nose boom, respectively. The humidity transmitter connected to the sensor is installed inside the nose pylon or the nose boom.
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| urn | aircraft:bt-67:hmt333 |
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| contenttype | Subdevices |
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| Type | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (0-30 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor | Differential pressure transducer | 239 (+/- 7,5 INWC) | pressure sensor |
Specifications of HMT333 (without mounting)
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|| Dimension (L x W x H)| 183 x 119 x 77 mm ||
|| Weight | ~2 kg (incl. sensor)||
|| Power Supply| 10 - 35 VDC ||
|| Data interface | analogue data (mA)|| |
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Position
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| urn | aircraft:bt-67:hmt333 |
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| contenttype | LocalFrame |
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| Origin Description: | Setra 239 differential pressure transducer | are installed in the nose |
pylon | compartment of the aircraft |
for the basic meteorology module as well as in | and are also part of the turbulence nose boom |
used for turbulence measurements.| . | | X | 0.0 none
(no description given) | | Y | 0.0 none
(no description given) | | Z | 0.0 none
(no description given) |
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Data logging, storage and archiving
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| urn | aircraft:bt-67:hmt333 |
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| contenttype | Parameters |
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Sensor | O2ARegistry Output Type | Unit |
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differential pressure | pressure | | analogue signal of relative humidity | relative humidity | mA | | analogue signal of temperature | temperature | mA |
V |
Rawdata storage on board
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| During flight HMT333 data are stored within the aircraft onboard DMS system. |
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Data archiving on land
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After the flight HMT333 data are accessible via the land system of the aircraft data managment system (DMS). |
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DMS
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|| Module name| B712 Basic Meteorology, B719 Turbulence Noseboom 1, B851 Turbulence Noseboom 2||
|| Device name | Humicap||
|| Parameters | ErrorText; Relative Humidity Raw \[A\]; Status; Temperature raw \[A\] ||
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Documentation
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| urn | aircraft:bt-67:hmt333 |
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| contenttype | Resources |
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Also see https://sensor.awi.de/ for calibration certificates of the sensors.