Rüster Duct & Immersion sensors

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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 SMARTLINE Duct/Immersion temperature sensors


With standard production methods the change of wrong mounting of the sensing element is eminent, the possibility that the element is not centered in the the probe, Heat isolator (Air) at the sensor by false potting or leaking conductive paste etc. Al these fault cause slow and false measurment of the medium temperature.

Smartline probe 

With the Smartline Probe these problems are history !

Our development department has designed the Smartline probe especially to avoid these faults! The tip of the probe is manufactured from special developed conductive materials and houses the sensing element witch is centered in the tip. Because the element is "potted" under high pressure,  heat isolator air, false positioning of the element is because of the way how the Smartline probe is produced not possible!! The backpart of the Smartline probe is constructed from high isolating materials, this avoids measuring errors by temperature influence by the well.

Not only ACCURATE but also FAST 

Due the way the probe is designed the sensor is not only more accurate (up to 15% against standard produced sensors) but also he measures the temperature faster!!

Immersion/Duct sensor  ETF1S



The Immersion/Duct sensor ETF1S is supplied with our "Basicline" plant housing made from glassfiber reinforced polyamide.

The Stainless steel probe has a dia-meter of 6mm, the probe is standard available from 65mm to 1015mm

The sensor can be supplied with the AF6.1 duct mounting plate, stainless steel or nickelplated brass immer-sion probes. (see assossaries). 

The passive sensors are available with a wide range of sensing elements witch are offered in 4 differant accuracy classes.The active sensor has selectable measuring ranges and 0..10Vdc or 4..20mA output.

Select the sensor with Easy select to customized your sensor.

TypeOutputPrice  

ETF1S-A
Pt100
26.80

ETF1S-BPt1000
26.80





ETF1S-ACTO..10Vdc/4..20mA
79.50

Type Price   D.G.
A

Immersion/Duct sensor  ETF3S



The Immersion/Duct sensor ETF3 is is supplied with a alumium housing model J.

The Stainless steel probe has a dia-meter of 6mm, the probe is standard available from 65mm to 1015mm

The sensor can be supplied with the AF6.1 duct mounting plate, stainless steel or nickelplated brass immer-sion probes. (see assossaries). 

The passive sensors are available with a wide range of sensing elements witch are offered in 4 differant accuracy classes.The active sensor has selectable measuring ranges and 0..10Vdc or 4..20mA output.

Select the sensor with Easy select to customized your sensor.

TypeOutputPrice  

ETF3S-A
Pt100
44.50

ETF3S-BPt1000
44.50





ETF3S-ACTO..10Vdc/4..20mA
0.00

Type Price   D.G.
A

Immersion/Duct sensor  ETF5S



The Immersion/Duct sensor ETF5 is supplied with a alumium housing model BL.

The Stainless steel probe has a dia-meter of 6mm, the probe is standard available from 65mm to 1015mm

The sensor can be supplied with the AF6.1 duct mounting plate, stainless steel or nickelplated brass immer-sion probes. (see assossaries). 

The passive sensors are available with a wide range of sensing elements witch are offered in 4 differant accuracy classes.The active sensor has selectable measuring ranges and 4..20mA output.

Select the sensor with Easy select to customized your sensor.

TypeOutputPrice  

ETF5S-A
Pt100
54.50

ETF5S-BPt1000
54.50





ETF5S-ACT4..20mA
0.00

Type Price   D.G.
A
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