Rüster News page

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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 News

As manuafacture from innovative & High quality sensing solutions for HVAC and industrial application. Every month 2 news letters will be send out to with interesting info about applications, Special pricing and other information. Subscribe now to recieve this information!

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Rüster Product news

Rüster is proud to annaunce that our industrial sensing solutions are now certified with GL certification for Maritime use!


GL certification


With this certification the thermocouples and pressure transmitters are available for use in engine rooms, generators, Engines etc in large sea going vessels like:


-  Containerships 
-  Multi-purpose vessels 
-  Tankers 
-  Bulk carriers 
-  Offshore service vessles 
-  Cruise vessles, ferries 
-  Ro-Ro & car vessels 
-  Etc 
Ask our sales for more information!!

Rüster Product news

With the introduction of our new Primeline housing the NEXT GENERATION of innovative and high quality room sensors & transmitters is born!

The Primeline room housing is available with the next measurment options:

- Temperature (passive and Active)

- Carbon dioxide (CO2)

- Humidity (Rh)

- Air Quality (VOC)

or a combination of these measure-ments.  

Unique are the optional user inter-faces:

- Setpoint adjustment, 

- Push button, 

- Fan speed switch, 

- LED,

- LCD (only with active outputs)

These user interfaces are available for ALL Primeline room sensors & transmitters!

Next to that we have decided to use high accuracy sensing elements, witch ensure accurate and fast measurment of temperature, Co2, Humidity and VOC

Rüster Product news

Our program of room controllers is selected based on:

- Energy saving

- Easy installation

- Easy to use

- Pleasing estetics

With the introduction of the SMT131 Smart we have all 4 selections and more combined in one controller.

Also the control options with the SMT131 are unique, standard the controller has 2 digital & 2 analogue outputs for cooling & heating, 3 digital outputs for fan control (single or 3 speed), 1 digital input for occupancy control and one analogue input for external temperature sensors (also available with avarage room temperature sensors).

A other unique feather of the SMT131 Smart is the hotel room option! For this option the SMT131 has a RJ12 connector for a external display witch wil be mounted at the entrance of the room. This diplay gives the hotel gast the opertiunnity to display the status of the room. This status can be send to reception of the hotel over the Modbus connection of the SMT131. Optional the SMT131 Smart is available for VAV control, underfloor heating etc.

For more information, contact our sales department!

Rüster Product news

The Smartline temperature probe is especially designed to avoid measuring faults during the production proces and installation.

Typical production faults

- Sensor position undifined sensor  

  potted in heat conductive paste in   


- Heat isolotaor air at the sensor by 

  loss or leakage of heat conductive 

  pasty by horizontal or vertical 

  implementation of the sensor in the 


- Heat isolator air to the sensor by 

  potting faulty with ALO2 ceramic in 

  the well

All these faults can cause a slow or false reading of the medium (air) temperature.

The Smartline probe is developed to avoid these errors. The tip of the probe is manufactured from special conductive materials, the backpart of the probe from isolating materials. this avoids measuring errors by temperature influencing by the well.

Also the measuring element will be always in the right position what secures fast and accurate measur-ment of the temperature!

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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!

Read more!


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