Meteo & Environmental Analysis
Meteo & Environmental Analysis
HD 9408T BARO, HD 9408TR BARO, and HD 9908T BARO are electronic barometers using piezoresistive sensors for atmospheric pressure measurement, suitable for meteorological applications. The HD 9908T BARO includes a display and configurable outputs.
All models are housed in MACROLON with IP67 protection. Installation should minimize dust and wind effects, with a static port recommended for open environments.
The HD9408PS 50 minimizes errors due to wind, is UV resistant, and operates between -40°C and +80°C. Installation requires specific mounting brackets and UV-resistant tubing.
HD 9008TRR and HD 9009TRR are microprocessor transmitters for RH and temperature, with configurable outputs. They use capacitive humidity sensors and platinum temperature sensors. Proper installation avoids electromagnetic interference.
Transmitters are factory calibrated but can be reprogrammed for different temperature ranges. Calibration requires specific accessories and procedures.
- HD9008TRR: Dual passive RH and temperature transmitter with 4-20mA outputs for 0-100%RH and -40 to +80°C ranges.
- HD9009TRR: Dual RH and temperature transmitter with 0-1V output for the same ranges.
- HD9817 Series: Offers analogue or digital outputs (RS232C, USB) with a measuring range of 0-100%RH and -40 to +60°C.
- Humidity Sensor Calibration: Conducted at two fixed points: 75.4%RH and 33%RH using saturated solutions and adjusting dip-switches and calibration keys.
- Temperature Range Programming: Involves using a Pt100 simulator or precision resistances to set the desired temperature range, followed by calibration key adjustments.
- Instructions for accessing the panel board, connecting wires, and reassembling the instrument are provided.
- Specific guidelines for using screened cables and ensuring compatibility with environmental conditions are included.
- Working temperature for electronics and sensors: -40 to +80°C.
- Accuracy: ±2%RH for 10-90%RH, ±2.5%RH for other ranges.
- Response time: 3 minutes with filter, 6 seconds without filter.
- Calibration is recommended every 12-18 months depending on usage conditions.
- Compatibility with the environment, especially in aggressive conditions, is crucial to prevent sensor corrosion.
- Radiation shields are available to protect sensors from solar radiation, rain, and wind.
- Various mounting options and accessories are provided for different installation needs.
Delta Ohm manufactures pyranometers compliant with ISO 9060 standards. The LP PYRA series measures global solar radiation and is suitable for various environmental analyses. They offer different output configurations (mV, 4-20mA, 0-10Vdc) and are individually calibrated.
Each pyranometer is calibrated against the World Radiometric Reference (WRR) and comes with a calibration report. Pyranometers are designed for field installation, with mounting kits available for secure attachment.
Pyranometers meet ISO 9060 standards and WMO requirements, ensuring reliability under various weather conditions. They are designed for atmospheric research, weather stations, and photovoltaic efficiency testing.
- Pyranometers have a typical sensitivity of 10 µV/(W/m²) and operate within a spectral range of 305 nm to 2800 nm.
- They have a response time of less than 28 seconds and can operate in temperatures from -40°C to 80°C.
- Detailed wiring diagrams are provided for various models, indicating connector functions and color codes for installation.
- Albedometers and net radiometers should be installed in unobstructed locations to avoid shadows and ensure accurate measurements.
- Regular cleaning of the receiving surfaces is recommended to maintain accuracy, using water or ethyl alcohol.
- LP NET 07 should be mounted at least 1.5 meters above ground to ensure representative measurements.
- Specific ordering codes are provided for each model and accessory, including shade discs, drying cartridges, and connection cables.
Use lens paper and water for cleaning. If necessary, use pure ethyl alcohol, followed by water. Annual calibration of the LP NET 07 is recommended, preferably in the field for convenience, though less precise than laboratory calibration.
The net radiometer's sensitivity (S) is crucial for determining net radiant flow, measured in µV/(Wm-2). The potential difference (DDP) is used to calculate radiant flux (Ee) using the formula Ee = DDP/S. Calibration is performed with a solar simulator, and each radiometer is factory-calibrated.
Wind speed affects the net radiometer's output signal. Sensitivity decreases with increased wind speed, and corrections can be applied using specific formulas for different wind speed ranges.
The sensor should have a Lambertian response, meaning its sensitivity (Sϑ) should follow the cosine of the incidence angle (ϑ).
- Typical sensitivity is 10 µV/(Wm-2), with an impedance of 2Ω to 4Ω, and a measuring range of ±2000 W/m2.
- The operating temperature range is -40°C to 80°C.
Various models and configurations are available, including different cable lengths and output signal options.
These measure illuminance (lux) and are designed for outdoor use. They have a spectral response matching the human eye and are protected by a glass dome. Installation requires refilling a silica-gel cartridge to prevent condensation.
The luxmeter should be mounted in accessible locations, away from reflective surfaces, and thermally isolated from mounting brackets. Proper electrical grounding is necessary.
The LP PHOT 02 is passive and connects to a millivoltmeter or data acquisition unit. Amplified probes with current or voltage output are available.
Regular cleaning of the outer dome is essential for accuracy. Silica-gel cartridges should be replaced periodically to prevent condensation.
The luxmeter's sensitivity (S) is used to determine illuminance (Ee) from the potential difference (DDP). Annual calibration is recommended for optimal performance.
- Sensitivity ranges from 0.5 to 2.0 mV/klux, with a response time of less than 0.5 seconds.
- The operating temperature range is -40°C to 80°C.
The document details the specifications of various radiometric probes and configurable amplifiers. The LP UVA 02 series measures global irradiance in the UVA spectrum on a flat surface, with outputs ranging from 0-10Vdc and 4-20mA. The HD978TR series includes configurable amplifiers with outputs of 4-20mA and 0-10Vdc, suitable for different mounting configurations.
Instructions are provided for installing the LP UVA 02 radiometer, emphasizing the importance of location to avoid obstructions and reflections. The radiometer should be mounted in an accessible location for maintenance, using the LP S1 mounting kit if necessary.
The LP UVA 02 does not require a power supply and uses a 4-pole M12 connector. It should be connected to a millivoltmeter or data acquisition unit with a load resistance greater than 5MΩ.
Calibration is crucial for accurate measurements, with a recommended annual check. The document outlines the calibration process and the importance of keeping the glass dome clean to ensure measurement accuracy.
- The LP UVA 02 has a typical sensitivity of 150-350µV/(W/m²), a response time of less than 0.5 seconds, and operates within a temperature range of -40°C to 80°C.
- It is designed to measure irradiance in the range of 0-200 W/m².
Various models and accessories are available, including the LP UVA 02, LP UVA 02AC, and LP UVA 02AV, each with different output configurations. Accessories like mounting kits and silica gel cartridges are also detailed.
The LP UVB 02 radiometer is designed to measure global irradiance in the UVB spectral region on a flat surface, with a focus on 305nm wavelength. It is used in monitoring the ozone layer, assessing UVB effects on living beings, and measuring UVB radiation in workspaces.
The radiometer's spectral sensitivity is centered at 305nm with a 5nm bandwidth. It requires power to amplify the weak signal from the photodiode, using a transimpedance amplifier. The device is robust, suitable for long-term use without maintenance, and includes a platinum-resistance thermometer for temperature control.
The radiometer uses a solid-state photodiode with special interferential filters for stability. It does not require heating, reducing energy consumption. The design ensures the instrument is blind to wavelengths outside the pass-band, with a response according to the cosine law.
The radiometer should be mounted in an accessible location for cleaning and maintenance, avoiding obstructions. It includes a spirit level for accurate leveling and can be mounted on a mast using the LP S1 kit. Regular cleaning of the dome and replacement of silica-gel crystals are necessary to maintain accuracy.
The radiometer requires a power supply of 7Vdc to 30Vdc and should be connected to a voltmeter or data acquisition system with an input impedance greater than 10KΩ. The output signals include temperature and irradiance measurements.
Annual calibration is recommended. The radiometer's sensitivity allows for irradiance determination by measuring the voltage signal. Calibration is performed using a 304nm monochromatic light beam, with no international standards currently available.
- The radiometer has a typical sensitivity of approximately 5V/(W/m2), a response time of less than 0.5 seconds, and a measurement range of 0-8 W/m2.
- It operates within a temperature range of -40°C to +60°C and has a long-term instability of less than ±3%.
The LP UVB 02 comes with a protection kit, spare silica gel sachets, and a calibration report. Additional accessories include mounting kits and UV-resistant cables.
The document provides detailed technical specifications and operational guidelines for the HD2003 and HD2003.1 ultrasonic anemometers, as well as the HD2013.2 rain detector. These instruments are designed for environmental analysis, particularly in meteorology, aviation, and industrial applications.
- User interface for setup management and software upgrades via RS232 or RS485.
- Automatic alignment to magnetic North using a built-in compass.
- Rugged, reliable structure with low power consumption and minimal maintenance.
- Optional heaters to prevent ice and snow formation on sonic transducers.
- Output Quantities: Wind speed and direction, sound speed, sonic temperature, U-V-W components, pressure, temperature, and relative humidity.
- Measurement Ranges: Wind speed (0-65 m/s), wind direction (0-360° azimuth, ±60° elevation), sound speed (300-380 m/s), sonic temperature (-40 to +60°C).
- Accuracy: Wind speed and sound speed ±1% of reading, wind direction ±1°, sonic temperature ±1°C.
- Digital Outputs: RS-232 and RS-485 communication with baud rates from 9600 to 115200 bit/sec.
- Power Supply: 12-30 VDC with power consumption <2W, or <6W with heaters.
- Capacitive sensor with integrated heater to prevent false signals from fog or dew.
- Outputs include Rain ON/OFF, analog voltage, and frequency output for precipitation intensity.
- Installation requires placement away from obstructions and regular cleaning for optimal performance.
These instruments are suitable for meteorology, aviation, navigation, climatology, industrial buildings, and safety monitoring in various environments.
Various models and accessories are available, including options for transducer heating and additional sensors for expanded measurement capabilities.
The document provides detailed technical specifications, installation, and maintenance instructions for the HD2013 and HD2013R tipping bucket rain gauges, as well as the HD2013-D datalogger used for capturing and recording rainfall data.
The HD2013 rain gauge operates within a temperature range of +4°C to +60°C, while the HD2013R version, equipped with a heater, functions from -25°C to +60°C. Both models have a collector area of 400 cm² and offer resolutions of 0.1, 0.2, or 0.5 mm per bucket tip. The HD2013R requires a power supply of 12Vdc or 24Vdc, consuming 35W.
The rain gauge should be installed in an open area, away from obstructions like buildings or trees, and should be level for accurate measurements. It can be mounted on the ground or elevated using a support staff. Regular maintenance includes cleaning the filter and ensuring the tipping bucket is free from debris.
The non-heated version uses a two-wire lead, while the heated version requires a four-wire lead. Proper connection is crucial for the heater's operation, with specific terminals designated for 12Vdc and 24Vdc power supplies.
This device records rainfall data and ambient temperature, storing up to 93,000 samples. It features an LCD display for real-time data visualization and uses a 3.6V Lithium battery. The datalogger connects to a PC via an RS232C serial port, with data management facilitated by the DeltaLog6 software.
The datalogger records each bucket tip as a rainfall event, with resolutions adjustable via software. It also monitors ambient temperature at 15-minute intervals. The device is designed to be waterproof, using reed relays operated by a magnet for control functions.
Various components and accessories are available, including the HD2013 rain gauge, HD2013R heated version, bird dissuader, and installation kits for raised setups. The HD2013-D datalogger is also available with necessary cables for data transfer.
Catalog excerpts
297 Environmental Analysis Environmental Analysis - HD 9408T BARO, HD9408TR BARO, HD 9908T BARO pag. 298 Barometric transmitters - HD 9408PS 50 pag. 300 Static port - HD 9008TRR, HD 9009TRR, HD 9007 pag. 302 Temperature and Relative humidity transmitters, protection from solar radiation - HD 9006 pag. 306 Aspirated air semperature sensor - HD 9817T1, HD 9817T2, HD 9817T3 pag. 307 Humidity and Temperature transmitters, analog and digital - LP PYRA 02, LP PYRA 03, LP PYRA 12, LP PYRA 08 pag. 309 1st class and 2nd class Pyranometers - LP PYRA 05, LP PYRA 06 pag. 314 1st class and 2nd class Albedometers - LP NET 07 pag. 316 Net Irradiance Meters - LP PHOT 02 pag. 318 Photometric Probe - LP UVA 02 pag. 321 UVA Radiometric Probe - LP UVB 02 pag. 324 UVB Radiometric Probe - HD 2003, HD 2003.1 pag. 327 3-axis ultrasonic Anemometer - HD 2013.2 pag. 330 Rain detector - HD 2013 pag. 332 Rain Gauge - HD 2013D pag. 334 Datalogger for Rain Gauge The qualitative level of our instruments is the result of a continuous evolving of the product itself. This way bring to slight differences between what reported on this manual and the instruments you bought. We can not completely exclude the presence of errors for which we apologise. Data, images and descriptions included in this catalogue can not be enforced legally. We reserve the right to perform any modification and correction at any time without notice. Environmental Analysis
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HD 9408T BARO HD 9408TR BARO HD 9908T BARO 298 Environmental Analysis HD 9408T BARO, HD 9408TR BARO and HD 9908T BARO are analog output electronic barometers. They use a piezoresistive sensor element which gives extremely accurate and stable measurement of the atmospheric pressure and assures excellent repeatability, low hysteresis and very good temperature stability. The output signal of the sensor is conditioned to provide a voltage or a current output linearly proportional to the barometric pressure. The transmitters are ready as they have been calibrated at the factory. A zero adjustments...
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299 Environmental Analysis Environmental Analysis 120 55 80 HD 9408T BARO, HD 9408TR BARO HD9408T BARO HD9408TR BARO HD9908T BARO Sensor type Piezoresistive diaphragm Measuring range 800 ÷ 1100 mbar / 600 ÷ 1100 mbar on request Analog output 0 ÷ 1 Vdc standard; 0 ÷ 5 Vdc, 1 ÷ 5 Vdc, 1 ÷ 6 Vdc and 4 ÷ 20 mA (two wires) on request 0 ÷ 1 Vdc standard; 0 ÷ 5 Vdc, 1 ÷ 5 Vdc and 1 ÷ 6 Vdc on request 0 ÷ 20 mA, 4 ÷ 20 mA, 0 ÷ 1 V and 0 ÷ 5 V (0 ÷ 10 V on request), configurable by means of a jumper. Accuracy ± 0.5 mbar, @ 20°C ± 0.5 mbar, @ 20°C Display: ± 1 mbar, @20°C Analog output: ± 0,8 mbar, @ 20°C...
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HD9408PS 50 300 Environmental Analysis Error due to the dynamic pressure Lower than 0.3mbar @20°C Working temperature -40°C… +80°C Connection pipe (for a tube with inside ø : 3mm, outside ø: 6mm) Ø 3.4 mm Weight of the static port. - Weight of the static port equipped with the bracket 200 gr, 570 gr Total weight and static port and bracket 570 gr The measurement of the barometric pressure in free field can give incorrect values of hundred pascal fluctuation and wind direction. With the static port for barometric measurements, HD9408PS 50 can minimize these errors because, in addition to act as...
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Velocità (m/s) 301 Environmental Analysis Environmental Analysis ORDERING CODE HD9408PS 50K Kit consits of by static port, pole mounting bracket and HV55 tube HD9408PS 50 Static port for barometric measurements equipped with the HV55 tube HD9408PS 56 Mounting bracket for static port, barometer fastening, pole anchor HV55 HV55 UV- and temperature-resistant silicone tube, inside Ø : 3mm, outside Ø : 6mm, L=400mm Tests made in the wind tunel Static port put in front of the wind tunnel delta P (Pa) ÄP according to the â yaw angle Velocità (m/s) delta P (Pa) ÄP according to the join angle á (yaw angle...
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HD 9008TRR HD 9009TRR HD 9007 HD 9007-A1 HD 9007-A2 302 Environmental Analysis CHARACTERISTICS The HD9008TRR and HD9009TRR are single block RH and temperature microprocessor transmitters, temperature configurable. The HD9008TRR is a passive transmitter with a 4…20mA output and 10…30Vdc power supply; the HD9009TRR is a transmitter with a 0…1V standard voltage output (other outputs available on demand) and 10…30Vdc power supply. Sensors are mounted at the end of a plastic tube: a capacitive humidity sensor and a Platinum temperature sensor (100Ù @0°C). The instrument can be reprogrammed by means...
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303 Environmental Analysis Environmental Analysis INSTALLATION AND ASSEMBLY Figures 1 and 2 show the connection diagram of the two models. RRH and R°C represent the current input of any device connected to the 4…20mA loop, that is: an indicator, a controller, a data logger or a recorder. In figure 2, “Vin%RH and Vin°C” symbols have the same meaning. Accuracy in measuring does not depend on the transmitter position. However, it is suggested to install the transmitter with the sensor faced downwards (where possible) to reduce dust deposit on the sensor protection filter. The transmitter shall not...
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HD 9008.21.2 HD 9008.21.1 304 Environmental Analysis Important Note: the first calibration point has to be always at 75%RH Programming of Temperature Operating Range The following accessories are needed. For HD9008TRR: a 7…30Vdc continuous voltage power supply, a precision ammeter with 0…25mA minimum range. For HD9009TRR: a 7…30Vdc continuous voltage power supply, a precision voltmeter with 0…1Vdc minimum range. Pt100 simulator or a set of precision resistances. Procedure: 1. To access the panel board, unscrew grommet “A” (see figure 3) and hold the cable firmly to avoid twisting. Take the rubber...
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