Humidity Products

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 Please click on any of the links below to go directly to the relevant on-line information of the companies and their products. Or contact the company at their email address.  

Aanderaa Data Instruments AS  
Norway

info@aadi.no

The relative humidity sensor  3445 from Aanderaa Data Instruments (ADDI) has a range of 0 to 100% relative humidity (RH), with an accuracy of 2% RH. Operation temperature range is -40 to + 50 °C. The sensor output is AADI’s SR10 digital output signal. The sensor uses a capacitive polymer to sense humidity. The sensor is robust, has low power drain and is easily fitted to AADI´s weather station AWS 2700

Adolf Thies GmbH & Co. KG
Germany

info@thiesclima.com

Thies Clima the world of weather data.
As one of the most traditional manufactures for meteorological measuring equipment we have more than 50 years experiences in developing and producing of humidity measuring sensors.
Our Hygro- and Thermo- Hygrographs are well known world wide. Thies Psychrometers according Assmann and August are used as reference in several weather services.
For Automatic weather stations or control applications we provide high accuracy Humidity transmitter.

Campbell Scientific (Canada) Corporation  
Canada

dataloggers@campbellsci.ca

Campbell Scientific (Canada) Corp. (CSC) has been a provider of quality sensors, measurement instruments and data acquisition systems since 1978. Our product line consists of data acquisition and measurement control systems, automatic weather stations, meteorological, hydrometeorological and a wide variety of sensors, including air temperature and relative humidity.

CAMPBELL SCIENTIFIC LTD.
United Kingdom

sales@campbellsci.co.uk

Campbell Scientific manufacture and sell a wide range of meteorological sensors including several models for temperature and relative humidity. Models include:

50Y – a general purpose probe suitable for environmental monitoring and automatic weather stations

CS215 – a cost effective probe with digital element for high accuracy and stability, features a field changeable element with simple recalibration feature for easy maintenance, low power consumption and SDI-12 connection for longer wire lengths with no signal errors.

HMP45C & MHP50 – Vaisala’s two popular temperature and relative humidity probes.

All probes fully compatible with Campbell Scientific data loggers or other similar systems.

Casella CEL  
United Kingdom

info@casellacel.com

Casella’s Whirling Hygrometer provides a simple and effective way to measure relative humidity in air. The wet and dry bulb thermometers are held in a slotted frame which is whirled at speed around the handle to give a high and reasonably constant rate of air flow.
For additional information on the Whirling Hygrometer, contact Casella CEL.

CIMEL Electronique
France

sales@cimel.fr

 

CIMEL Electronique provides relative humidity sensors for monitoring in various environments as agriculture, transport, aviation, museums.

CIMEL Automatic Weather Stations are supplied with CE191 sensors, characterized by a precision of 1.5% for 20% -95% after calibration. The total measurement range is 20-100%.

Microclimate monitoring in museums is achieved with CimTrace100 systems. This tiny system (60g) records temperature and relative humidity variations. There is a programmable sampling between 1 and 100min and a minimum memory of 5 weeks. The temperature sensor has a range of 0-70°C and ±0.5°C precision. The humidity sensor has a range of 0-100% and ±3% precision.

CLIMATRONICS 
United
States of America

techinfo@climatronics.com

Climatronics Corporation manufactures a complete line of meteorological instruments and systems for all applications. We offer a complete line of humidity sensors that can be combined with temperature sensing elements to couple these two measurements into one sensor. Low cost sensors are available for cost-efficient systems while more robust sensors, featuring wider range and greater accuracy are also available. All sensors use capacitive elements for greatest reliability, and our data loggers and processors will calculate dew point temperature from the humidity and temperature measurements.

Davis Instruments Corp.
United States of America

sales@davisnet.com

Davis Instruments weather stations provide accurate and reliable weather data at an affordable price. The Davis Vantage Pro2™ and VantageVue™ weather stations relative humidity in addition to temperature, rainfall, barometric pressure, wind speed and direction, and more. For those in need of a separate temperature and humidity sensor, the Wireless Temperature/Humidity Station is a battery-powered unit that can transmit the latest readings to a VantageVue or Vantage Pro2 console/receiver and Weather Envoy with  WeatherLink®.

ENVIRONMENTAL MEASUREMENTS LTD.
United Kingdom

sales@emltd.net

Two types of probes are offered:
a) RH1 - a low cost, high performance probe featuring the Vaisala  HUMITTER electronics module. Temperature range -10deg C to +60deg C, humidity range 10 to 90%.
b) MP100A - a higher specification probe manufactured by Rotronic of Switzerland. Temperature range -40deg C to +60deg C, humidity range 0-100%
See product information at: http://www.emltd.net/products
Fairmount Weather Systems Ltd.
United Kingdom

paul@fairmountweather.com

Fairmount Weather Systems was founded in 1988 and has manufacturing experience dating back to the late 1960’s.

Fairmount automatic weather stations can be configured with a number of meteorological, hydrological and environmental sensors with various telemetry and datalogging options meeting accepted International Standards which have been supplied to Meteorological Departments throughout the World.

Fairmount manufacture and sell a wide range of Humidity equipment and sensors.

Our products are manufactured and finished by our highly skilled workforce in Cambridge, UK.
FTS FOREST TECHNOLOGY SYSTEMS LTD.
Canada

sales@ftsfireweather.com 

FTS’ THS-3 is arguably one of the most reliable temperature and humidity sensors for environmental and Hydromet monitoring. Designed with remote deployment in mind, it is widely used by more than 50 government and environmental monitoring organizations across the world. The high quality and reliability of the THS-3 result in precision readings in any environment, and FTS support and service provides our customers with peace of mind. The radiation shield provides effective protection while ensuring good ambient airflow to the sensor, and an easy-to-replace filter protects the humidity sensor from airborne contaminants and insects.
Read about technical specifications.
KOMOLINE Electronics Pvt. Ltd.
India

 info@komoline.com

Komoline offers humidity sensors in combination with temperature for the measurement of humidity of air.

Komoline manufactures a wide spectrum of digital sensors with a variety of connectivity options( including analog outputs) for application in meteorology, hydrology, oceanography and agricultural studies.

www.komoline.com
LOGOTRONIC GmbH
Austria

sales@logotronic.co.at

Logotronic supplies a big variety of measuring stations. Small ones, stationary or mobile up to synoptic weather stations. The stations are highly scalable to the user requirements due to the modular system architecture. One measuring station for meteorology, hydrology, water quality and soil investigation. Nearly all common sensors can be connected via measuring interface modules. All stations can use telemetry modules for telephone, GSM, radio or Internet data transfer.
METEOLABOR AG
Switzerland

info@meteolabor.ch

Thygan is a ventilated heated thermometer combined with a mirror-type dew point hygrometer. The instrument is designed for field Operation and meets the highest demands as to reliability and accuracy even under the most severe environmental conditions.
Thygan is recommended as a working reference by World Meteorological Organization (WMO).

Klimet A30 is a high precision Reference system for Temperature, Air Humidity, and Air Pressure.
Humidity is measured by means of a dew point mirror to an accuracy of 0.05 degrees (0.15% R.H.).

Meteoservis v.o.s.
Czech Republic

meteoservis@iol.cz

The METEOSERVIS v.o.s. company is the producer of the MetCover 3 radiation shield for various humidity/temperature sensors. Please ask other information on the our email  address: meteoservis@iol.cz    
Pulsonic  
France

contact@pulsonic.net

Humidity sensors developed by PULSONIC can be used on all our automatic weather stations.
They are compatible with most of professional application.
Combined with temperature probe, they can be located in a small radiation shield.

Contact us or refer to our web site page for more detail : http://www.pulsonic.net/meteo/en/sensors/hygrometer.html
http://www.pulsonic.net/meteo/en/automatic-weather-stations.html
 
RADIOMETRICS CORPORATION
United States of America

international_sales@radiometrics.com

The MP-3000A  Profiler delivers continuous humidity profiles to 10-km height with radiosonde-equivalent accuracy for weather modeling. The US Department of Energy Atmospheric Radiation Measurement (ARM) program uses radiometer upper air humidity measurements to correct radiosonde humidity soundings for climate research. ARM operates 25 Radiometrics radiometers at worldwide locations. A majority of these radiometers have been in near continuous operation for more than 20 years.
R. M. Young Company 
United States of America

met.sales@youngusa.com

The Young Humidity/Temperature Probe offers accurate remote measurement with convenient voltage or current outputs.  The Aspirated Radiation Shield provides maximum protection when power is available.  The Multi-Plate Radiation Shield is a cost-effective alternative for remote sites where power is not available.
Rotronic AG
Switzerland

humidity@rotronic.ch

ROTRONIC offers a comprehensive range of humidity instruments: transmitters, data loggers, indicators, probes, sensors and humidity generators for the measurement and calibration of relative humidity, dew point, water activity and other humidity parameters. Problem-free, accurate measurement results from the most stable humidity sensor in the industry combined with our unique HygroClip® digital technology. Our instruments and probes measure both humidity and temperature because temperature is critical to the proper measurement and interpretation of humidity.

Please see: http://www.rotronic-humidity.com/

SEBA Hydrometrie GmbH
Germany

info@seba.de

SEBA meteorological programme comprises among other high accurate meteorological equipment air humidity sensors. High demands on quality, precision, reliability and longevity are made to the components and sensors.

Skye Instruments Ltd.
United Kingdom

skyemail@skyeinstruments.com

Skye have been manufacturing high quality, robust and reliable relative humidity and temperature probes since 1985.  These meteorological specification sensors are ideal for all outdoor, glasshouse and high humidity applications.
All sensors are calibrated in the factory and are sufficiently stable for 2 or more years of unattended use.  Where the very highest precision is required, a simple calibration is easily performed at any time.
All probes include a capacitive RH element and we offer a choice of temperature element – including PT100 and thermistor sensors.  For more information visit:  www.skyeinstruments.com/rhtplus.htm
SpectraSensors, inc.
United States of America

bford@spectrasensors.com

 

 

The SpectraSensors WVSS-II provides the final essential parameter needed for accurate Numerical Weather Prediction modeling that has been missing from aircraft observations—laser fast and accurate measurement of water vapor. The system uses a patented UCAR designed air scoop mounted on the outer skin of a commercial aircraft with an inlet port and outlet port to collect the air sample. The analyzer uses a Tunable Diode Laser as a source, with detector and electronics to accurately measure the amount of water in the atmospheric sample at laser speeds. Data is then transmitted to ground by appropriate communications in the AMDAR system, for use in all meteorological applications. Very accurate water vapor measurement has been proven in operation from the surface to flight altitudes of 40,000 ft.

Sutron Corporation 
United States of America

rmcquivey@sutron.com

 

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Theodor Friedrichs & Co. Meteorologische Geräte und Systeme GmbH
Germany

info@th-friedrichs.de

Theodor Friedrichs, an ISO 9001, KTA 1401 and IAEA 50-C-Q certified company, manufactures complete professional weather observation systems for meteorological and general environmental monitoring applications.

Psychrometer acc. to Assmann and August, as well as electrical ventilated psychrometer are within the product range. For automatic weather stations combined temperature/humidity sensors can be supplied. Hygrographs and thermo/hygrographs complete the product range.
TIANJIN METEOROLOGICAL INSTRUMENT WORKS
China

info@tjqx.com

Tianjin Meteorological possesses a variety of advanced manufacturing and inspecting methods, as well as satisfactory quality keeping and service system. They produce some 40 kinds of apparatus covering all sorts of measurements in wind direction, wind velocity, rainfall, evaporation, temperature, humidity.
They also have five categories of inspecting apparatus of meteorological instruments of air pressure, humidity, temperature coefficient, rainfall, wind tunnel, etc.
VAISALA OYJ   
Finland

info@vaisala.com

Vaisala has a wide variety of relative humidity measurement instruments for all meteorological applications. Vaisala is the world leader in humidity measurement technology.

Read more about Vaisala humidity measurement instruments

VECTOR INSTRUMENTS
(Windspeed Ltd)
United Kingdom

Sales@windspeed.co.uk

Vector Instruments produces the H301 aspirated psychrometer which uses the "Wet and Dry Bulb" method for reliable determination of air temperature and relative humidity. A range of other weather sensors and associated equipment is also available.
WeatherBug Professional 
United States of America

janderson@weatherbug.com 

The WeatherBug Weather Station is a professional-grade cost-effective weather observation station which records information on 27 different weather parameters including lightning, temperature, relative humidity, wind speed and direction, wind gusts, heat index, barometric pressure, rain rate and rainfall accumulations. WeatherBug Weather Stations are easy to install and require minimal maintenance.

The WeatherBug network receives up-to-the-second weather information collected from more than 8,000 WeatherBug Weather Stations from locations around the world. The network powers the full suite of WeatherBug Professional products including web-based visualization tools, severe weather warning and alerting services.

Wilh. Lambrecht GmbH
Germany

info@lambrecht.net

Looking back on 140 years of expertise, LAMBRECHT is the most experienced producer of humidity measuring devices world-wide. The classical measuring element, the human hair grid, is the best-tried measuring principle. Systems working with this principle are almost maintenance free and corrosion resistant.

A special example is the only calibratable system, the Assmann-Psychrometer. Like many other LAMBRECHT instruments it is handmade and individually adjusted. Easy to read, short response times and no saturation effects are the distinctive qualities of the system. In short: a traditional as well as up-to-date masterpiece from LAMBRECHT.

See also Drum Recorders and Data Logger TROPOS.