CL31 - Instrument de mesure météorologique VAISALA - Notice d'utilisation et mode d'emploi gratuit
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| Type de produit | Ceilomètre pour mesure de hauteur de base de nuages |
| Marque | VAISALA |
| Modèle | CL31 |
| Dimensions totales | 1190 x 335 x 324 mm |
| Poids total | 32 kg |
| Poids de l'unité de mesure | 13 kg |
| Alimentation électrique | 100/115/230 VAC ±10%, 50-60 Hz, puissance max. 310 W (chauffage inclus) |
| Plage de mesure | 0 à 7,5 km (0 à 25 000 pieds) |
| Fonctions principales | Détection de hauteur de base de nuages (3 couches simultanément), visibilité verticale, profil de rétrodiffusion complet |
| Technologie | LIDAR à diode laser pulsée, optique à lentille unique de seconde génération |
| Entretien et nettoyage | Souffleur de fenêtre automatique avec chauffage pour garder la fenêtre propre et sèche ; accès facile via une porte pour la maintenance ; conception modulaire |
| Sécurité | Classe laser 1M selon IEC/EN60825-1 ; protection contre la lumière directe du soleil ; conformité CEI/EN 61326 (CEM) et CEI/EN 60950 (sécurité électrique) |
| Pièces détachées et réparabilité | Modules remplaçables sur site ; accessoires optionnels : boîtier de terminaison Termbox-1200, câble PC QMZ101, kit d'antenne radio, dispositif anti-oiseaux CL31BIRDKIT, logiciel CL-VIEW |
| Informations générales | Plage de température : -40 à +60 °C ; humidité : 0-100% HR ; vent : 55 m/s ; indice de protection IP65 ; cycle de rapport programmable (2-120 s) ; résolution de mesure 5 m/10 pi ; positions d'inclinaison verticale ou 12° |
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MODE D'EMPLOI CL31 VAISALA
CL31 Ceilometer for Cloud Height Detection
The Vaisala Ceilometer CL31 is a compact and lightweight instrument for cloud base height and vertical visibility measurements. It detects three cloud layers simultaneously. The CL31 employs a pulsed diode laser LIDAR (light detection and ranging) technology. The CL31 is ideal for aviation and meteorological applications.
Measurement starts from ground level
The enhanced single-lens technology applied in the CL31 ensures excellent performance starting at a height of virtually zero. This is due to the strong and stable signal over the whole measurement range. The single-lens technology provides unsurpassed reliability during precipitation, low clouds and ground based obscurations, which are the most critical phenomena in aviation safety.
Fast measurement
Fast measurement helps to detect thin cloud patches below a solid cloud base. The CL31 provides a full backscatter profile for data visualization and research purpose.
The CL31 beam can be directed either vertically or tilted. The tilting option together with the novel optics design provides enhanced performance during precipitation by improving the protection given by the shield. In the measurement unit, a tilt angle sensor automatically corrects the measured cloud distance reading to vertical cloud base height.
Extensive self-diagnostics
The CL31 is fully automatic. In addition to cloud height data, the messages contain instrument status information based on comprehensive self-diagnostic routines. In case of a malfunction the diagnostics help users to identify the failed module. The CL31 features practical modularity and its easy-access door ensures fast servicing and high data availability.
Easy installation and maintenance
The CL31 is easy to install. It has a radiation shield that protects the unit during precipitation and against excessive heat or cooling in extreme temperatures. The automatic window blower with heater improves performance by keeping the window clean and dry. In cold conditions heating prevents frost generation on the window.
Vaisala Ceilometer CL31 measures cloud base height and vertical visibility in all weather - good or bad.
Features/Benefits
Measurement range from 0 to 7.5 ~km (from 0 to 25,000 feet)
Second-generation, advanced single-lens optics provides excellent performance also at low altitudes
- Reliable operation in all weather; unsurpassed performance in vertical visibility and cloud detection during precipitation
- Extensive self-diagnostics with fault analysis
Modular design for easy installation and maintenance
Fast measurement enables detection of thin cloud layers below a solid cloud base
Latest technology from the world-leading manufacturer - based on the experience from more than 5000 installed Vaisala ceilometers worldwide
Technical data
Performance
| Measurement range | 0 ...25,000 ft. (7.5 km) |
| Reporting cycle | programmable, 2 ... 120 s |
| Reporting resolution | 5 m/10 ft., units selectable |
| Distance measurement accuracy against | |
| hard target | greater of ±1 % or ±5 m |
| Laser | InGaAs diode, 910 mm |
| Eye safety | Class 1M IEC/EN60825-1 |
Electrical
| Power (* | 100/115/230 VAC ±10%, 50 ...60 Hz |
| max.310 W including heating | |
| Interfaces | |
| data | RS232 / RS485 / Modem |
| maintenance | RS232 |
| baud rate | |
| RS232 / RS485 | 300 ...57,600 |
| modem V.21,V.22,V.22bis | 300 ...2400 |
| Back-up battery | Internal,2 Ah |
Data messages
Cloud hits (up to 3 layers) and status information
Cloud hits, status and backscatter profile
Cloud hits and internal monitoring data
Emulation of CT12K,CT25K,LD-25/40
Sky Condition (optional)
Mechanical
| Dimensions | |
| total | 1190 x 335 x 324 mm |
| measurement unit | 620 x 235 x 200 mm |
| Weight | |
| total | 32 kg |
| measurement unit | 13 kg |
| Tilt positions | Vertical or 12° tilted |
| Automatic window blower / heater | |
| Radiation shield and pedestal | |
| Service access through a door | |
| Optical filters for protection against direct sunlight | |
Environmental
| Temperature range | -40 ...+60 °C (-40 ...+140 °F) |
| Humidity | 0 ...100 % RH |
| Wind | 55 m/s |
| Housing classification | IP65 |
| Vibration | Lloyds Register / IEC60068-2-6 |
| 5 ...13.2 Hz ±1.0 mm | |
| 13.2 ...100 Hz ± 0.79 mm | |
| EMC | IEC/EN 61326 |
| Electrical Safety | IEC/EN 60950 |
Accessories / options (*
Cable termination box Termbox-1200 with extra transient protection
PC maintenance cable QMZ101
Shock absorbing mounting pad CT35022 for ship installations
Modem module DMX501
Attachment mechanics for radio modem antenna CLRADIOKIT
Graphical User Interface for Ceilometers CL-VIEW
Bird deterrent device CL31BIRDKIT
^* Please specify power and optional accessories when ordering.
Dimensions
Dimensions in mm
Marque : VAISALA
Modèle : CL31
Catégorie : Instrument de mesure météorologique