Innovative Sensor Technology IST AG of Ebnat-Kappel at COMPAMED 2021 in Düsseldorf -- COMPAMED Trade Fair
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Innovative Sensor Technology IST AG

Stegrütistr. 14, 9642 Ebnat-Kappel
Telephone +41 71 9920100
Fax +41 71 9920199

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This company is co-exhibitor of
IVAM Microtechnology Network

Hall map

COMPAMED 2021 hall map (Hall 13): stand F48

Fairground map

COMPAMED 2021 fairground map: Hall 13


Zuzana Pronayova

Area Sales Manager

+41 71 992 01 00

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Our range of products

Product categories

  • 06  Electrical components, electronical components
  • 06.01  Sensors
  • 06.01.05  Flow sensors

Flow sensors

  • 06  Electrical components, electronical components
  • 06.01  Sensors
  • 06.01.06  Gas sensors
  • 06  Electrical components, electronical components
  • 06.01  Sensors
  • 06.01.07  Temperature sensors
  • 07  Microtechnology
  • 07.04  Microsensors


Our products

Product category: Temperature sensors

Platinum Temperature Sensors IST AG 150 °C Series

The IST AG 150 °C series offers excellent long term stability and fast response time with low self-heating in a temperature range of -50 °C to +150 °C. The sensors have insulated copper terminals. The sensors have terminals made of insulated enamelled copper wire, making them easy to integrate into applications. In addition, the insulation at the end of the wires is removed so that they can be easily welded or soldered. Thanks to the small diameter of the enamelled copper wire (Ø 0.2 mm), the sensor can be offered with very small dimensions (see "Sensor properties" for more information on small dimensions) as well as with long, directly welded wires

Furthermore, the 150 °C series can be customized to meet specific requirements, e.g. wire length.

The IST AG 150 °C series is also available with:

Metallized back
Long, insulated wires (copper enamel)
2, 3 or 4 wire configuration

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Product category: Gas sensors

IST AG FS7 Flow Sensor

The IST AG FS7 flow sensor with symmetrical heater design and improved sensitivity is the successor of the FS5 flow sensor. It is used to measure gases and offers excellent long-term stability. The low thermal mass of the FS7 sensor allows a fast response time. The FS7 is available with and without housing. The version with housing is very easy to implement in various applications.

Further advantages of the FS7 flow sensor are:

Easy installation in various housings and applications
Excellent long-term stability
Simple signal evaluation
Easy calibration
Stable platinum technology
Excellent reproducibility
The IST AG FS7 flow sensor is ideal for measuring gas flows in various flow applications.

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Product category: Gas sensors

HYT 271 Humidity module

With its mechanical robustness and both chemical and dew resistant active sensor area, the HYT 271 digital module offers very wide application possibilities and a particularly good price/performance ratio. The modules are accurately calibrated and provide a measurement accuracy of ±1.8 % RH and ±0.2 °C. They combine the advantages of a precise, capacitive polymer humidity sensor with the high integration density and functionality of an ASIC. The signal processing integrated in the module completely prepares the measured values and directly supplies the physical quantities "relative humidity" as well as "temperature" via the I2C-compatible interface as a digital value. The HYT 271 module is completely interchangeable without adjustment. Both the linearity error and the temperature drift are corrected mathematically "on-chip", resulting in excellent measurement accuracy over a wide range of applications.

Other advantages of the HYT 271 digital humidity module include:

Calibrated and temperature compensated
Fast response time
Excellent humidity/temperature accuracy and stability
High chemical resistance
Wide humidity and temperature range (0 % RH to 100 % RH and -40 °C to +125 °C)
Very low drift
I2C protocol (address 0x28 or alternative address)
Very stable at high humidity
Directly interchangeable without adjustment
The digital IST AG HYT 271 humidity module is suitable for various handheld instruments, humidity transmitters, industrial applications and HVAC applications.

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Product category: Microsensors


Our micro heaters combine high-precision and long-term stability with a wide temperature range from - 50°C up to 800°C and feature numerous benefits:

- Fast response times
- High temperature stability
- Long term stability
- Overheating protection
- High precision
- Targeted heating of tiny spaces
- Tailor-made to fit customer's application

Microheaters are used in devices requiring a small but accurate heat source with precise temperature control, such as optical interactive assistance systems.

Allowing for targeted heating of tiny spaces, IST AG micro heaters are found across various industries, including:
- Automotive
- Laser manufacturing
- Humidification units
- Life-science
- 3D-printing
- Medical devices

They are a precision heat source for gas and humidity sensors, biopsy or tissue samples for medical analysis, or used in malignant tumor treatment. Each micro heater is individually customized and designed to fit your application's requirements.

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About us

Company portrait

Your supplier and partner for physical, chemical and biological sensors

Innovative Sensor Technology IST AG was founded in 1991 and is headquartered in Ebnat-Kappel, Switzerland (Canton St. Gallen), in the mountainous region of Toggenburg. With approximately 400 employees, we are a leading sensor specialist focusing on the individual needs of our customers.

IST AG is part of the Endress+Hauser Group, which is based in Reinach in northwestern Switzerland. The Endress+Hauser Group is one of the world's leading manufacturers of measuring instruments, services and solutions for industrial process engineering.

Company data

Number of employees 100-499
Foundation 1991
Area of business
  • Components, parts, modules, Original Equipment Manufacturers
  • Electrical and electronic components
  • Pumps
  • Manufacturing Services

Company information as a PDF file