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Lufft Mess- und Regeltechnik GmbH
Stand: 139
Gutenbergstr. 20

T: + 49 711 518220

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Company profile

Since its founding by Gotthilf Lufft in 1881, G. Lufft GmbH has been leading in developing and producing climatological measuring equipment – always true to the motto “tradition meets innovation”. Lufft’s capacity for innovation and precision has helped their products to establish the solid reputation they enjoy all around the world. The company’s sensors can be found in use wherever weather variables such as cloud heights, sky conditions, runway conditions, friction, precipitation, visibility and other environmental factors need to be measured. Since 2016, Lufft belongs to the OTT HydroMet group consisting of six brands (OTT, Lufft, Hydrolab, ADCON, Sutron and Kipp & Zonen). Together they offer the combined strength and expertise of leaders in the meteorology, telemetry, water quality and quantity fields with over 140 years of experience in environmental measurement. This enables them to supply airport customers with complete runway weather monitoring systems from one source.


  • Title: LufftPost Newsletter 12-2018
    Description: December 2018 issue of the Lufft Newsletter "LufftPost" including season greetings and a year in review.

Case Studies

  • Title: White Paper: Reduce Risk in Takeoff & Landing Ass
    Description: Every day, airport employees do their best to make air travel as safe and efficient as possible. However, this also depends on external factors, such as weather conditions, we can hardly influence. Wind, temperature extremes, or heavy rain and snowfall can cause serious consequences. To ensure safe take-offs and landings, the TALPA (Takeoff and Landing Performance Assessment) was introduced defining the process of assessing runway conditions, based on runway weather conditions. In theory, this provides the necessary information to anticipate the airplane braking performance. But how about reality? In the whitepaper you can read, how it'S possible to improve both the safety and efficiency during TALPA with the help of state-of-the art measurement technology from Lufft.
  • Title: Overview of Lufft Airport References
    Description: In this overview you will find a collection of Lufft sensors such as the cloud height sensor CHM 15k or the mobile runway sensor MARWIS operating at airports worldwide.

products to be displayed

Lufft CHM 8k Ceilometer
The CHM 8k is the latest ceilometer from Lufft. Using the Lidar technique, it detects backscatter aerosol profiles / structure in multiple layers, cloud bases, cloud penetration depths, as well as vertical visibility and issues the sky condition index. It has an operating range of up to 8,000m (26,200 ft) and is equipped with an integrated controller offering a fully embedded real-time calculation of all target parameters and comfortable user interfaces. The Lufft ceilometer series is prepared to work throughout the year and in any climate. Due to their double case structure combined with a window blower and an automatic heating system, the ceilometers are free of fogging, precipitation, freezing or overheating issues.
Lufft CHM 15k Ceilometer
The Lufft CHM 15k has a double-walled housing combined with integrated fan and automatic heating system. Thus it provides reliable protection against misting, precipitation, freezing or overheating. Exact results due to high sensitivity: Reliable and accurate results at any time of the day or night are ensured by the use of long-life laser sources, filters with narrow bandwidth and high-sensitivity photodetectors.
Lufft's Family of Compact Weather Sensors
Lufft has been the first to develop all-in-one weather sensors with one cable connection covering several parameters simultaneously. The WS Family comes with an open protocol, digital interface, integrated ventilation and a weather-proof cable. The series ranges from a sensor only measuring wind to a model equipped with eight sensors issuing lightning, solar radiation, precipitation, wind, temperature, humidity, and pressure values at one go. This reduces installation, integration and maintenance efforts tremendously.
Lufft VENTUS Ultrasonic Wind Sensor
The maintenance-free VENTUS-UMB delivers precise wind speed, wind direction and air pressure data. Furthermore, it calculates the acoustic virtual temperature. The ultrasonic wind sensor has no mechanical parts to dispense with yearly re-calibration. The closed and robust metal housing protects from external interference factors, such as birds or hail. All these features make the Lufft VENTUS ideal for runway weather observation systems where reliability and good performance even in extreme conditions is decisive.
Lufft ARS31Pro Embedded Pavement Sensor
The active freezing temperature measurement of the ARS31Pro-UMB pavement sensor was successfully proven by the BASt (German federal agency for roads) following the valid inspection rules of CEN/TS 15518-4:2013. The sensor measures the freezing point temperature by means of active cooling and heating independently from the anti-freeze mixture. In addition, it detects the surface temperature. The two-parted housing design allows a separation of the inner workings from the casing for maintenance purposes. In addition, the ARS31Pro measures the pavement surface temperature in a distance of 50 cm by means of a connected sensor. In conjunction with an interface converter, the sensor can be built into new and existing UMB networks.
Lufft active road sensor ARS31
The active road sensor ARS31 is a flush-mounted pavement sensor. It calculates the freezing point temperature by means of active cooling and heating independently of the de-icing mixture. The two-section housing design allows the electronics unit to be removed for maintenance purposes at any time, in just a few minutes. In conjunction with an interface converter, the sensor can be built into new and existing UMB networks. At airports, the combination of the passive IRS31Pro-UMB and the active runway sensor ARS31-UMB is necessary to inform on the amount of de-icing agents: The ARS31 supplies the IRS31Pro with the freezing point temperature. Thus, the de-icing agent concentration can be calculated.
Lufft Intelligent Passive Road Sensor IRS31Pro
The IRS31Pro-UMB passive road sensor is installed flush with the road surface. The two part housing design allows the combined sensor/electronics unit to be removed for maintenance or calibration at any time. The sensor records pavement/runway surface temperature, water film height up to 4 mm, freezing point temperature for different de-icing materials (NaCl, MgCl, CaCl), road condition (dry/damp/wet/ice or snow, damp with salt, wet with salt), friction (Grip) and ice percentage. Optionally, it can be connected to two depth temperature sensors, e.g. 5 cm and 30 cm below ground. The measurement data is available for further processing in the form of a open protocol (Lufft UMB protocol).
Lufft VS20k Visibility Sensor
The professional visibility sensors VS20k detects water droplets and aerosols using forward scattered light. Due to its high sensitivity, it detects visual ranges between 10 m and 20 km. This conforms to the ICAO (International Civil Aviation Organization) requirements demanding MOR (Meteorological Optical Range) between below 50 m and over 10 km. The housing is sea water-resistant, anodized, specially coated and has the protection class IP66. Moreover the sensor reports lens contamination and the electronics automatically carries out zero point calibrations. All these features ensure a mostly maintenance-free operation over the whole lifetime. However, Lufft offers a suitable kit for on-site calibration. The connection takes place via RS-485 semi-duplex 2-wire or SDI-12 interface. The open protocol makes it easy to integrate into any measurement network.
Lufft WS3000 High-Precision Weather Sensor
In 2016 Lufft introduced an innovative weather sensor family exceeding all previous weather sensors in terms of precision. Measuring temperature, humidity and air pressure, the WS3000 is an indispensable component of RWIS systems. The all-in-one sensor is part of the WS1000 family and is the first multi-parameter sensor which can be dismantled completely. This is extremely useful for maintenance and calibration purposes and makes the WS1000 family a highly sustainable product line. An integrated WiFi module makes it easy to access data over a wireless connection. The high-precise device issues the measured values in the form of open standard protocols. For customers who require the WS3000 to be equipped with a second, redundant pressure sensor, a second variant fulfilling this is available.


  • Airport Weather
  • Automated Weather Observing Systems
  • Takeoff and Landing Performance Assessment / TALPA
  • Runway Conditions
  • Meteorological Sensors


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