KELLER Pressure Japan List of News Articles

Under the sea surface, it is even more important to maintain continuous position information to avoid going missing in the deep sea. Remotely operated underwater vehicles (ROVs) use multiple underwater navigation sensors, including depth sensors, for navigation. A depth sensor measures the surrounding water pressure and calculates the distance to the water surface. Depth underwater is typically determined from pressure. Converting pressure to depth (the water column above the measurement point) is not particularly difficult. The issue is accuracy. We received the following comment from a user of Keller products: "The performance is the same today as it was on the day it was shipped from the Swiss factory. Since I started using Keller's pressure sensors, the measurement accuracy has dramatically improved. I was honestly surprised by how sensitive they are. They respond not only underwater but also when moved up and down in the air. The RS485 digital output is very convenient, and above all, the stability of the sensors is outstanding. I am a big fan of Keller." What kind of sensors are being used, and why is Keller able to achieve excellent stability and accuracy even in harsh underwater environments? The secret can be found in the related links below!

KELLER Pressure offers immersion-type high-precision level gauges that cater to a wide variety of applications. Optimized housing and cable designs tailored to specific applications and environments ensure reliable measurements even under harsh conditions. All piezoresistive level gauges are developed, manufactured, and calibrated at the headquarters in Winterthur, Switzerland, boasting Swiss quality and high precision that have been proven over many years. They not only achieve stable performance without the need for maintenance over long periods but also support various commonly used interfaces, enabling optimal integration and communication with systems. In particular, products compatible with RS485 are ideal for battery-operated and remote control systems in environmental measurement and water-related fields.

KELLER Pressure offers immersion-type high-precision level gauges suitable for a wide range of applications. Optimized housing and cable designs tailored to specific applications and environments ensure reliable measurements even under harsh conditions. All piezoresistive level gauges are developed, manufactured, and calibrated at the headquarters in Winterthur, Switzerland, boasting Swiss quality and high precision that have been proven over many years. They not only achieve stable performance with no maintenance required for long periods but also support various commonly used interfaces, enabling optimal integration and communication with systems. In particular, products compatible with RS485 are ideal for battery-operated and remote control systems in environmental measurement and water-related fields.

Products suitable for environments with a risk of explosion are used in a wide range of applications. Since 1988, KELLER has been developing and manufacturing explosion-proof pressure measurement technology. Based on years of experience and achievements, KELLER's explosion-proof pressure sensors have received high praise in many industries. Examples of applications (one example each): - Automotive sector: Painting robots When atomized by a spray nozzle, the mist can generate a flammable mixture. - Oil sector: Monitoring fuel levels at gas stations At gas stations, there is a risk of gas atmospheres exploding due to electrical sparks. - Aviation industry: De-icing machine liquids De-icing fluids contain more than 50% highly flammable glycols and are used in a mixture with water. - Chemical industry: Monitoring the storage conditions of chemicals Warehouses owned by chemical manufacturers and distributors store numerous containers of various chemicals, which may contain all kinds of explosive and hazardous substances.

There is always a risk of explosion in areas where flammable gases, vapors, mists, or dust may be present. Examples include the chemical industry, energy supply, biogas plants, solvent processing facilities, hydrogen infrastructure, and gas distribution systems. An important point to understand about explosion protection is the location of the measurement point within the zones. A common misconception is that if flammable gas is used, the highest hazard classification automatically applies; however, the frequency of explosive atmospheres can vary significantly from one industrial plant to another. For instance, explosive mixtures may always be present inside a tank, while they rarely occur in well-ventilated piping areas, typically only during abnormal situations. This is precisely why ATEX systems classify zones as 0, 1, and 2. The related links below provide detailed explanations of the basic principles of ATEX zones, real-life examples from hydrogen filling stations, comparisons of protection concepts (why safety barriers or isolation amplifiers are necessary), and what types of pressure sensors we at KELLER can offer for each zone.

Optimized design tailored to specific applications and environments allows KELLER's level meters to achieve reliable measurements even under harsh conditions. Wireless solutions are also available, enabling remote data transmission. Why do KELLER's level meters receive so much support? This leaflet reveals the secret!

KELLER Pressure is a leading manufacturer of piezoresistive pressure sensors. We will showcase high-precision pressure sensors, compact pressure sensors, and high-speed response pressure sensors with the specifications listed below, focusing on pressure sensors and digital pressure gauges that have a proven track record in the aerospace and aviation fields. We will explain why KELLER Pressure products are chosen in the aerospace and aviation sectors and what sets them apart from competitors using the exhibited products. 【Example of Achievements】 Rocket (fuel, oxidizer), satellites (atmospheric pressure measurement during re-entry), combustion pressure measurement, aircraft attitude control, detonation, International Space Station (ISS), etc. For those who wish to have meetings or product introductions at our booth on the day of the event, we are accepting reservations in advance. Interested parties can contact us at sales.jp@keller-pressure.com. 【Exhibition Content】 We offer a variety of pressure sensors suitable for a wide range of measurements: 　〇 Low pressure to high pressure (0.5 kPa to 200 MPa) 　〇 Low temperature to ultra-high temperature (-50℃ to 1000℃) 　〇 High precision (± 0.01%FS and above) 　〇 Compact (Φ 1.4 x 3.1 cm and above) 　〇 Ultra-fast response 　〇 Digital display pressure gauges

KELLER Pressure is a leading manufacturer of piezoresistive pressure sensors. We will showcase high-precision pressure sensors, compact pressure sensors, and high-speed response pressure sensors with the specifications listed below, focusing on pressure sensors and digital pressure gauges that have a proven track record in the aerospace sector. We will explain why KELLER Pressure products are chosen in the aerospace field and what sets them apart from competitors using the displayed products. [Example of Achievements] Rocket (fuel, oxidizer), satellites (atmospheric pressure measurement during atmospheric entry), combustion pressure measurement, aircraft attitude control, detonation, International Space Station (ISS), etc. For those who wish to have meetings or product introductions at our booth on the day of the event, we are accepting reservations in advance. Interested parties can contact us at sales.jp@keller-pressure.com. [Exhibition Content] We offer a variety of pressure sensors suitable for a wide range of measurements: - Low pressure to high pressure (0.5 kPa to 200 MPa) - Low temperature to ultra-high temperature (-50°C to 1000°C) - High precision (± 0.01% FS and above) - Compact (Φ 1.4 x 3.1 cm and above) - Ultra-fast response - Digital display pressure gauges

In applications where high-precision pressure measurement is required, it is necessary to select the optimal product from a wide range of options. Our extensive product lineup, consisting of pressure transducers, pressure transmitters, and digital pressure gauges, covers almost all application fields. So, what is the best solution for your needs? Before starting product selection, it is important to clearly define and organize the requirements. This will make product research more efficient and facilitate smoother communication. Generally, requirements can be classified into two categories: - Essential (Must) requirements - Desirable (Nice-to-have) requirements It can generally be said that having fewer essential requirements makes it easier to find solutions and helps keep costs and delivery times down. However, to define these requirements, it is first necessary to comprehensively analyze the fundamental issues. Only with this foundation can the analysis results be transformed into clear requirements for the desired product. This requires knowledge of the characteristics of the products being considered for purchase. For more information, please refer to the related links below!

KELLER is a top manufacturer of piezoresistive pressure sensors. Our specialists, with extensive experience, provide solutions tailored to your specific applications. We respond to the current topic of hydrogen with optimal and sustainable investment-worthy solutions. If you visit our booth, we will gladly answer any questions or concerns you may have about what pressure is, how we can help reduce manufacturing costs through collaboration, and even our A/D conversion processing technology. For those who wish to have meetings or product introductions at our booth on the day of the event, we are accepting reservations in advance. If you are interested, please contact us at sales.jp@keller-pressure.com. [Exhibition Content] 〇 Pressure sensors for hydrogen gas: 23SY-H2, 23SY-Ei-H2 (explosion-proof type) This model reduces hydrogen embrittlement rates and minimizes hydrogen diffusion. Detailed explanations can be found in the video linked below! 〇 A wide range of other pressure sensor lineup! - Low pressure and high pressure (0.5 to 200 MPa) - Low temperature to ultra-high temperature (-50 to 1000℃) - High precision - Miniature pressure sensors - Ultra-fast response - Digital pressure gauges

The Academic Space Initiative Switzerland (ARIS), in collaboration with the Swiss Federal Institute of Aquatic Science and Technology, has established a mission: multiple autonomous underwater robots will simultaneously dive into a lake to collect measurement data at depths ranging from 5 to 30 meters. The goal is to visualize water quality in three dimensions. The greatest advantage of a swarm is its simultaneity. Instead of measuring sequentially at individual points, forming a densely synchronized measurement area allows for the detection of anomalies, identification of hotspots, and narrowing down of pollution sources. To achieve this, each robot must constantly and accurately understand the water depth. Why "water depth"? GPS cannot be used underwater. Since underwater robots cannot verify their location as they can on land, pressure becomes the most important indicator for determining position and orientation. In this project, the KELLER Pressure sensor PAA-9LX has been adopted. These sensors are installed within the waterproof housing of the robots and measure the surrounding water pressure. Water depth is calculated in real-time from this pressure data. For more details, please refer to the related links below!