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RPG - Model HATPRO -Humidity and Temperature Profiler
The HATPRO instrument is a stand-alone system for automated weather-station use under nearly all environmental conditions. Full atmospheric profiles are derived, retrieved data as well as raw data are stored. A variety of retrieval algorithms (custom designed or global standard algorithms) can be selected.
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- Frequencies:
- Two bands, 22-31 GHz (7 channel filter bank humidity profiler and LWP radiometer) and 51-58 GHz (7 channel filter bank temperature profiler)
- Retrieved data types:
-
- Vertical profiles of atmospheric temperature
- vertical profile of atmospheric humidty (relative and absolute humidity)
- Liquid Water path (LWP)
- Integrated Water Vapor (IWV)
- wet delay
- dry delay
- stability indices
- Optical resolution: 3.5° (2.5° HPBW at 22 (51) GHz
- Radiometric resolution: 0.3 – 0.4 K RMS at 1.0 s integration time
- High repetition rate: filter bank receiver produces one atmospheric profile per second
- Absolut system stability: 1.0 K
- Receiver and antenna thermal stabilization: < 0.02 K
- Environmental temperature range for operation: –60 °C to +45 °C
- Automatic rain-mitigation system: hydrophobic coating and strong blower for rain, heater module with 1.8 kW preventing formation of dew and fog condensation on radome
- Integrated PC on-board
- Full internal retrieval algorithm, retrieval data and raw data output
- GPS clock
- Additional external meteorological sensors: barometric pressure, humidity, temperature
- Connection of optional IR-radiometer possible, software already designed for IR-data input (IR-radiometer is highly recommended for cloud base detection
- Azimuth positioner option for full sky scanning (350 samples in less than 6 minutes)A
- Fiber-optics data cable up to 1600 meters to controlling host PC
- Customized retrieval software available
- Frequency extension possible by tandem operation (adding a second radiometer unit, plug and play)
- Stand alone operation
- Data storage and backup on-board, power-failure safe-guard
- Low maintenance (6 months intervall for absolute calibration using LN)
- Power supply: 100 – 240 V AC (at 47 – 63 Hz)
- Power consumption: 350 W turn-on power, 150 W under stabilized conditions
- Weight: 60 kg
- Dimensions: 63 × 40 × 105 cm (H × W × L without stand)
- Low cost!