First Sensor AG of Berlin at COMPAMED 2020 in Düsseldorf -- MEDICA - World Forum for Medicine
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First Sensor AG

Peter-Behrens-Str. 15, 12459 Berlin
Telephone +49 30 63992399
Fax +49 30 63992333

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First Sensor Internal Sales

Christian Kempf

Sales Manager Solutions

+49 151 576 806 81


First Sensor UK

United Kingdom of Great Britain and Northern Ireland


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Our range of products

Product categories

  • 01  Manufacturing of components
  • 01.01  Electronic manufacturing services (EMS)
  • 01.01.02  Electronics development
  • 06  Electrical components, electronical components
  • 06.01  Sensors
  • 06.01.05  Flow sensors

Flow sensors

Our products

Product category: Pressure sensors

NEW!! - LHD ULTRA micro-flow differential pressure sensor - two sensing elements with different pressure ranges in a single housing!

Innovative 2-in-1 design for ultra-precise applications in the low-pressure range.

None of the restrictions of conventionally designed pressure sensors apply to the LHD ULTRA: Product developers and users are no longer bound by precision limitations in the upper or lower pressure range. Our new flow-based 2-in-1 differential pressure sensor measures pressure fluctuations in the entire highly dynamic range of -5,000 Pa to +5,000 Pa with sub-pascal accuracy. This makes the LHD ULTRA ideal for applications that require high precision, an extended measuring range, and the convenience of a single component. The high-precision 2-in-1 differential pressure sensors combine two sensing elements with different pressure ranges in a single housing.

  • Differential pressure sensors based on the thermal measurement of microflows record pressure ranges from 0 to ±5,000 Pa
  • High precision across the entire measuring range, particularly in the ultra-low pressure range around the zero point
  • 16-bit analog digital converter for the upper and lower pressure ranges and a special averaging function enable 24-bit resolution over the entire work area
The models in the series feature a 16-bit analog digital converter for the upper and lower pressure ranges. A special signal processing routine delivers 24-bit resolution for the entire pressure range. Not only do they offer a high resolution, but they also boast compact dimensions and a broad spectrum of applications.

The dual application of the thermal-based MEMS elements and the adapted installation and connection technology (SDCT) means that the LHD ULTRA models are extremely compact with a height of just 7.4 millimeters, and their vertical pressure connections make them ideal for manifold mounting.

The key features of the LHD ULTRA differential pressure sensors at a glance:

  • High dynamic range for pressures up to 5,000 Pa (more than a factor of 50 compared with the standard L series)
  • Resolution at low pressure less than 0.02Pa
  • Outstanding resistance to dusty or damp air
  • Ultra-flat design

Ideal for medical applications like:

  • Ventilators
  • Spirometers
  • Sleep apnea therapy devices (CPAP devices)
  • Sleep diagnosis equipment
  • Nebulizers
  • Oxygen conservers/concentrators
  • Insufflators/endoscopy

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Product category: Electronics development

Solutions for medical video endoscopy

First Sensor is your professional partner for the development and production of flexible video endoscopes with distal image  sensors. From miniaturized, highresolution CMOS cameras and complementary sensor technology through to signal  transmission, assembly and functional testing of complete flexible endoscope shafts – always perfectly tailored to your requirements.

Sensor technology and electronics

  • Miniaturized, high-resolution CMOS and CCD image sensors
  • Various approaches for multi-dimensional measurements in the image
  • Additional sensors that can be integrated into the camera head
  • Signal transmission; electronics for evaluation and imaging

Development and production services

  • Mechanical and electronic camera head design
  • Assembly/calibration of optics; cable installation
  • Design to manufacturing
  • Testing technology setup including design
  • Series production with calibration/testing
  • Sourcing and supplier management
  • Quality assurance, taking into account customer-specific requirements (FMEA)

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Product category: Pressure sensors

LMI differential pressure sensor

The digital LMI differential pressure sensors with I²C bus and 3 V supply are based on thermal micro-flow measurement within the silicon sensor chip and offer measuring ranges from 25 Pa (0.1 inH2O) Full Scale. Due to their excellent sensitivity, accuracy, offset long term stability and long service life, LMI sensors are ideal for differential pressure gas flow measurement in bypass configuration. For battery powered applications the sensor features a low-power mode with minimal standby current.

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Product category: Pressure sensors

Piezoresistive pressure sensors

Piezoresistive pressure sensors
Our piezoresistive pressure sensors for air and gases (PCB-based) are based on the piezoresistive measuring principle. Four electrical resistors are connected as measuring bridges on a silicon sensor diaphragm.

Pressure ranges: 0.25 mbar to 10 bar
Temperature range: from -20 °C to +85 °C
Overall accuracy: better than 0.5 %
Analog and digital output signals: i2C and SPI

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Product category: Flow sensors

Flow sensors

Core competencies of First Sensor are the development and production of sensors for measuring mass and volume flow rates. Our flow rate sensors quickly record even the smallest flows with a high degree of accuracy. We offer leading solutions for medical and air conditioning technologies as well as for industrial applications.

Thermal mass flow measurement
The thermal measuring principle is used when dealing with very high sensitivity and the precise measurement of the smallest flow rates in both directions. A heating element and temperature-sensitive resistors at the heart of the sensor monitor the mass flow rate using the temperature profile in the medium. The high-precision and fast-response sensor technology is ideal e.g. for medical ventilators to detect smallest air flows.

Sensors for measuring volume flow rate
Our differential pressure sensors are suitable for measuring the volume flow rate of gases according to the differential pressure procedure. The sensors record the minimum drop in pressure on a flow element (e.g. screen, nozzle, laminar flow element) which equates to a measurement for the volume flow rate. Robust, highly accurate and extremely low differential pressure sensors reliably monitor how much of the medium flows through the line at any given time.

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Product category: Pressure sensors

Pressure transmitter

In pressure transmitters for liquids we use ceramic or stainless steel pressure measuring cells. This ensures a long service life even with various types of aggressive media.


  • Measurement range: 100 mbar to 400 bar
  • Temperature range: from -40 °C to +85 °C
  • Protection type: up to type IP 67
  • Many process connections (NPT & UNF)

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Product category: Electronics development

First Sensor competencies

We support you through development and manufacturing services in the realization of your customer-specific sensor or system solution from the idea to the serial production. We allow you to gain competitive advantages through short development cycles, innovative solutions and high quality. In addition to our solutions for the industrial, medical and mobility target markets, we also offer long-term know-how in the fields of power electronics and aerospace applications.

  • The entire value chain - from idea to production:Design (Hard-/Software), simulation, mechanical construction of sensor elements, sensors and microsystems
  • Rapid prototyping, prototyping up to large series production including material and delivery logistics
  • Production of silicon sensor chips in our own fab (Frontend)
  • Packaging technologies and production capacities in clean rooms from ISO class 8 to 5 (Backend)
  • Calibration, test and qualification
  • Serial production

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About us

Company portrait

First Sensor is one of the world's leading suppliers in the field of sensor systems. Our company develops and manufactures both standardized and tailor-made sensor solutions for the detection of light, radiation, pressure, flow, level and acceleration for applications in the Industrial, Medical and Mobility growth markets. The company produces in-house and along the value-added chain from component to system level.


With over 950 employees, we are represented at six German locations and also have development, production and sales sites in the USA, Canada, China, the Netherlands, UK, France, Sweden and Denmark along with a worldwide partner network. We guarantee our compliance through regular successful certifications of the sites according to ISO/TS 16949, ISO 14001, EN ISO 13485, EN 9100 and ISO 9001 - matching the respective business field.

Company data

Sales volume 100-199 Mio US $
Number of employees 500-999
Foundation 1991
Area of business
  • Components, parts, modules, Original Equipment Manufacturers
  • Electrical and electronic components
  • Services

Company information as a PDF file