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Room humidity sensors & transmitters

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Welcome at our website!

Our company is grounded at 1949 in Berlin Germany. The name Rüster stands for High Quality and Service since the start of the company.

Rüster develops and manufactures a wide range of sensors and transmitters for Industrial and HVAC proposes. With our new line of products we decided that it was time to show the world our Unique solutions for HVAC applications.

Our products are not only Innovative and High Quality but also excellent priced!

Rüster building controls is a part of Paul Rüster & Co GmbH

Paul Rüster & Co.GmbH

Paul Rüster & Co GmbH grounded in 1949 in Berlin Germany by Paul Rüster. Rüster is from the start of the company well known as developer and manufacture of innovative and High quality pressure transmitters, resistance thermometers for control of motors and generators, humidity sensing etc (with or without EX approval)

In our industrial delivery program there is a wide range of EX sensors and transmitters, sensors and transmitters special developed for sea going vessels, trains and offshore etc. All these solutions can be ordered with or without calibration!

Our success as a producing company is largely a function of how quickly it responds to new market requirments. Therfore our working methods are state of the art. In certain areas we cooperate closely with Universities, Institutes and partners.

Paul Rüster & Co GmbH is a ISO 9001 approved company.
Want to know more about our possibillitys and solutions? Contact our sales department for more information!

Rüster space Humidity sensors

Our program of room (space) humidity sensors is available in 2 differant housings. Our already proven Basic line housing and now also in our New Prime line housing. With the introduction of our Primeline housing a lot of new features have been integrated. Next to the choise of user interface the Primeline is also available with Humidity, Carbon dioxide, Air Quality and last but not least wireless sensor technology! So one housing more options!

Room sensor "Primeline"

RRFT series room Humidity sensors

Our NEW RRFT series of relative humidity sensors, based on the unique and innovative Rüster Multi-board technology, can be supplied with a active (standard) or passive (optional) temperature output. Standard the relative humidity sensor is supplied with a accuracy of 3% or 2%. Also by using the micro processor based technology the sensor is available for measurment of dewpont & Enthalpy.

The multi-board is build-in our new Primeline space sensor housing.

Type Rh Accuracy Price  

RRFT-ENEnthalpy & Dewpoint

Type Price   D.G.

Room sensor "Basic" line

RF series room Humidity sensors 

The RF series of relative humidity sensors, based on our proven Basicline housing and technology are supplied with a humidity sensor with high accuracy (2%) and long term stability.
Standard de sensor is provided in the BS plastic housing, optional a stainless steel version is available. Other options like  active or passive temperature measurment are available.

The RF series can be supplied with absolute humidity measurment, but only on request.
Type Rh Accuracy Price  
RF-U (0..10Vdc)
RF-I (4..20mA) 2%

Temperature output:

Active temperature output

Passive temperature output

Type Price   D.G.
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Rüster Product News

Flush mounted I/O module with Modbus RTU communication protocol. The unique and compact RBC-I/O is especcially designed to meet the wishes of our customers for a compact contol module witch can switch lightning , sun blinds etc.

For more information about this new unique product, contact our sales department!

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Rüster News


Rüster is proud to inform you that our industrial resistance thermometers and thermocouples are now available with GL certification

GL certification is especially needed when used in Maritime environment

Read more!

Rüster Worldwide

We deliver Worldwide!

Ask our sales department about your possibility's!

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