Vaisala 维萨拉
维萨拉是世界大的气象和环境设备生产厂商。凭借80多年的经验, 为全球160多个国家和地区的客户提供适应其应用的气象观测系统、环境观测系统和优质服务。维萨拉致力于提供优质产品以提高人们生活质量、保护环境、使生产过程高效安全和节能。维萨拉的客户遍及全球,包括气象和水文部门、民航组织、国防部门、道路和交通部门、系统集成商和不同工业领域的用户,维萨拉的许多技术以及相关产品均处于世界领先地位。1994年4月在中国成立了芬兰维萨拉公司北京代表处,从事中国的业务联络,销售及售后服务工作。自创办至今,维萨拉公司始终致力于气象设备、温湿度测量、环境检测产品的开发与生产,其技术始终处于世界领先地位。维萨拉公司的产品除了常规气象传感器之外,还生产控空系统、风廓线雷达、闪电定位系统以及气象雷达等多个系统。他们广泛的应用于高空及地面气象自动观测,机场气象自动观测,船载气象观测,高速公路气象观测以及工业测量等领域。公司工业测量部的产品涵盖了测量温湿度、露点、油中微量水份、二氧化碳、风速风向、大气压力以及其它气象参数,广泛应用于电力行业的燃汽轮机进气监测、氢冷发电、变压器油、高压电器设备的在线监测、暖通控制工程、高科技以及各种工业行业中。自2005年维萨拉成立了中国售后服务中心以及校准实验室。维萨拉(北京)测量技术有限公司有多名受过维萨拉专业培训的技术服务工程师,可以及时地为中国用户提供可靠的售后服务和技术支持。
  • Vaisala 维萨拉 FD70 Series 能见度传感器

    "FD70 Series is the seventh generation of Vaisala visibility and present weather sensors. It is designed based on more than 30 years of forward scatter technology development experience. This technology innovation sets a new standard in precipitation identification, quantification, and visibility determination accuracy.FD70 Series product models:","Features  • Reports visibility up to 100 km (62 mi)  • Reports precipitation type, intensity, and accumulation  • Exceptional precipitation detection sensitivity  • Precise type identification even for low-intensity precipitation  • Superior liquid\/frozen differentiation  • Optimal forward scatter angle 42°  • Look-down geometry to minimize measurement disturbances","Key Benefits","  • Best-in-class 3-in-1 performance: visibility, present weather, and precipitation quantification   • Accurate visibility measurement with proven calibration traceability and a range of up to 100 km   • Significant enhancement of drizzle, freezing rain, hail, and ice pellet identification"
  • Vaisala 维萨拉 LT31 能见度传感器

    "For Runway Visual Range (RVR) assessment and airport visibility measurements","Accurate and reliable, WMO and ICAO compliant determination of the Runway Visual Range (RVR) reduces airport downtime and improves safety of operations. The Vaisala Transmissometer LT31 is the qualified observer of RVR providing correct visibility data without interruptions and with minimal maintenance.","Features  • Single baseline for the measurement range 10...10 000 m MOR  • State-of-the-art white light source  • Window contamination compensation  • Sophisticated self-diagnostics  • Internal back-up battery  • Meets the ICAO ad WMO requirements for RVR and visibility  • Based on decades of field experience  • Compatible with Vaisala Transmissometer MITRAS and SKOPOGRAPH II Flamingo","Key Benefits"," • Measurement range from 10 to 10 000 m   • The LT31 provides the most accurate and reliable solution for the automatic measurement of RVR.The Meteorological Optical Range (MOR) measurement range is from 10 to 10 000 meters, which covers the full required RVR range (CAT I ... CAT IIIb), as well as the range required for Aeronautical Visibility (the ICAO defined visibility). The accuracy of the LT31 meets the ICAO and WMO requirements.  • Automatic calibration with integrated forward scatter sensor   • Calibration of a transmissometer is traditionally based on human observations. A reliable and accurate calibration has required very high visibility, stable conditions, and skilled and well trained personnel. The Vaisala patented automatic calibration method for transmissometers is based on an integrated forward scatter sensor\/present weather sensor. The system automatically detects drift and adjusts the sensor settings accordingly. Weather conditions do not need to be as good as for manual calibration; the LT31 automatically recognizes suitable conditions.  • Contamination Reduction   • In general, precipitation leads to an increased amount of window contamination. The LT31 has long and narrow weather protection hoods that reduce the amount of window contamination caused by precipitation.  • Automatic window contamination compensation   • Window contamination is a significant source of error in transmissometers. Maintaining high accuracy has required frequent cleaning. However, the effects of contamination can be automatically compensated if the window transmittance can be measured accurately.  • White LED provides wide spectrum light source   • The LT31 incorporates a white LED as a light source. White light is needed for the best accuracy in transmittance measurement. The WMO recommends the use of a wide spectrum (white) light sources for transmissometers as narrow spectrum light source (e.g. lasers or colored LEDs) will cause measurement error with some weather phenomena.  • Extensive self-diagnostics   • The LT31 has a sophisticated self-diagnostics that provides detailed status information for all functional units. In addition, this feature helps to locate possible technical failures. It records a history of significant operational situations, warnings, and alarms from the instrument."
  • Vaisala 维萨拉 FS11 能见度传感器

    "Runway visual range assessment and airport visibility measurement selected by FAA","Designed according to ICAO, FAA and WMO guidelines, the FS11 is an ideal instrument for runway visual range (RVR) assessment and airport visibility measurement, as well as other demanding applications. FS11P is intended for the most demanding weather applications such as runway visual range (RVR), aeronautical and synoptical visibility, and present weather observation. Selected by German Weather Service DWD.","It provides the optimal combination of the best accuracy, the highest reliability, broad measurement range, and low maintenance need.","Features  • Specially built for Runway Visual Range (RVR) applications  • Meets FAA and ICAO specifications  • Mechanical design and high-power heating  • Can also be used for aeronautical and SYNOP visibility measurements","Key Benefits"," • Meets FAA and ICAO specifications   • The Meteorological Optical Range (MOR) measurement range is from 5m to 75 000 meters, which covers the full required RVR range (CAT I ... CAT IIIb), as well as the range required for Aeronautical Visibility (the ICAO defined visibility).  • Minimal look-down geometry   • The second is \"head-down\" design of the optical heads, which protects them against virtually all windblown particles (even those flying horizontally).  • Accurate and traceable measurement   • Scientifically valid chain of calibration. Every Vaisala FS11 is calibrated through a scientifically valid chain of reference."
  • Vaisala 维萨拉 PWD50 能见度传感器

    "Accurate and traceable measurement of prevailing visibility","PWD50 offers perfect solutions for a variety of visibility measurement applications e.g. meteorological weather stations, heliports, offshore and maritime visibility measurement.","Features  • Accurate, traceable measurement of prevailing visibility  • Robust and dependable","Key Benefits"," • Versatile and easy to install; easy to integrate   • The PWD50 architecture allows for easy integration to existing or newly designed systems in a cost-efficient manner. The sensor can be mounted in many ways on existing masts.  • Weather-proof design reduces need for maintenance   • The downward-facing sensor hoods protect the optical surfaces from contamination, resulting in low maintenance needs and costs.  • Wherever visibility measurement is needed   • Long-range visibility measurement for diverse applications covering harbors, coastal areas, heliports, wind turbine applications – indeed, any locations or areas where visibility measurement is necessary."
  • Vaisala 维萨拉 PWD10, PWD20 and PWD20W 能见度传感器

    "For accurate visibility measurement","Sensors designed for a variety of visibility measurement applications, including: road weather, waterway visibility measurement, and wind turbine applications such as obstruction light control.","Features  • Robust and versatile  • Accurate measurement of visibility","Key Benefits"," • ​Accurate and traceable   • PWD sensors use the proven forward-scatter measurement principle to measure meteorological optical range (MOR).  • Easy installation   • All Vaisala's PWD sensors are compact (less than one meter long), light-weight, and come with a cable and connector for easy installation, which can be mounted in multiple ways on any existing mast.  • PWD20W - ideal for wind turbine applications   • The challenging conditions on top of a wind turbine require a robust and reliable device like the Visibility Sensor PWD20W, which cost-effectively supports obstruction light control and a range of other wind applications."

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