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  3. KELLER Pressure Japan 日本支社
  4. What is high-speed measurement in pressure measurement? Dynamic characteristics of sensors.
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  • Oct 23, 2025
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Oct 23, 2025

What is high-speed measurement in pressure measurement? Dynamic characteristics of sensors.

KELLER Pressure Japan KELLER Pressure Japan 日本支社
Many applications today require not only accurate measurements but also fast measurements. In this context, the dynamic behavior of sensors becomes particularly important in addition to measurement accuracy. While the limiting frequency of electronic circuits, sampling rates, or similar parameters are often recognized as decisive factors, this is actually just one aspect, and it is necessary to consider the entire sensor system. How much speed is required from the sensor? What are the factors that truly affect the dynamic characteristics of the sensor? I will explain why not only electronic circuits but the entire sensor design is important. I will introduce typical application examples that require millisecond-level speeds, provide findings from test results, and assist you in selecting the optimal sensor according to your needs. For more details, please refer to the related links below!
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Dynamic Characteristics of Pressure Transmitters | KELLER Pressure

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M5HB.jpg

Keller Company Ultra High-Speed Pressure Sensor M5HB

Ideal for measuring pulsations and unsteady behavior with a bandwidth of 50 kHz, temperature-resistant up to 180°C, built-in amplifier (0-10V output) high-precision pressure sensor.

The ultra-high-speed pressure sensor M5HB can measure not only static pressure but also pressure changes within a bandwidth of 0 to 50 kHz. This is achieved by the digital circuit continuously adjusting the analog signal in real-time, with an output of 0 to 10V. The compact sensor head with M5 fine thread can be used at temperatures up to 180°C. It has a pressure resistance of up to five times the measurement range and is an excellent model for vibration resistance. 【Features】 - Temperature resistance of the sensor head: 180°C - Output is an analog signal of 0 to 10V (with built-in amplifier) - Wide temperature compensation range: -20 to 125°C or -40 to 180°C - Bandwidth of 50kHz, ideal for measuring pulsations and unsteady behavior - Resistant to impacts and vibrations - Compact design, pressure connection is M5×0.5 fine thread

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M51.jpg

Keller Company Ultra High-Speed Pressure Sensor M5

Pressure sensor optimized for measuring pulsations and unsteady behavior at a bandwidth of 50 kHz, with a temperature resistance of up to 180°C.

The small pressure sensor M5 is named after its thin M5 screw at the sensor head. This compact head allows for measurements in narrow pipelines and hard-to-access locations. It has the capability to measure media up to 180°C in a dynamic range of 0 to 50 kHz, not only static pressure, and can also capture data from high-speed pulsations. 【Features】 〇 Sensor head withstands temperatures up to 180 °C 〇 Wide temperature compensation range, selectable from -20 to 125 °C or -40 to 180 °C 〇 Excellent dynamic response up to 50 kHz (suitable for measuring pulsations and unsteady behaviors) 〇 Resistant to impacts and vibrations 〇 Compact design, pressure connection is M5 x 0.5 fine thread 〇 IP67 ferrule with Teflon FEP cable (ideal for use in test benches)

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M8.jpg

Keller Company Ultra High-Speed/High-Temperature Pressure Sensor M8coolHB

Media temperature up to 1000°C compatible, optimal for measuring pulsations and unsteady behavior with a bandwidth of 50kHz, built-in amplifier (0-10V output) high-precision pressure sensor.

The ultra-high-speed pressure sensor M8coolHB can measure not only static pressure but also pressure changes within a bandwidth of 0 to 50 kHz. This is achieved by the digital circuit continuously adjusting the analog signal in real-time, with an output of 0 to 10V. The compact sensor head with M8 fine thread can be used at temperatures up to 1000°C due to cooling, and it has a pressure resistance of up to five times the maximum measurement range. It also has excellent vibration resistance. 【Features】 • The sensor head is heat-resistant up to 200°C and can be used at media temperatures up to 1000°C with cooling (air-cooled or water-cooled) • Output is an analog signal of 0 to 10V (with built-in amplifier) • Internal cooling channels function more efficiently than conventional cooling adapters • Wide temperature compensation range: -40 to 180°C • High-speed response up to 50kHz, ideal for measuring dynamic pressure (e.g., pulsations and unsteady behavior) • Resistant to the effects of vibration and shock • Pressure connection uses M8×0.75 fine thread, very compact size • Teflon FEP cable with IP67 ferrule, perfect for engine test bench applications • Pressure range: 300kPa, 1MPa, 3MPa (absolute pressure)

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21PHB.png

Keller Company High-Speed Pressure Sensor Series 21PHB

High-speed pressure sensor optimal for measuring pulsations and unsteady behavior.

The pressure sensor series 21PHB is a compact pressure sensor capable of measuring not only static pressure but also dynamic pressure with a bandwidth of 20 kHz. It can be used for both liquids and gases. It features a built-in amplifier that outputs a 0-10V analog signal. The small sensor head (pressure receiving part) with M6 fine thread can be used at temperatures up to 100°C, and it has a pressure resistance of up to four times the measurement range. 【Features】 〇 Capable of measuring dynamic pressure with a bandwidth of up to 20 kHz in addition to static pressure (ideal for measuring pulsations and unsteady behaviors) 〇 Built-in amplifier type with 0-10V analog signal output 〇 Sensor head can be used up to 100°C 〇 ±0.1% FS accuracy (achieves ±0.5% FS even in the temperature range of -10 to 80°C) 〇 Welded structure type without internal seals 〇 Compact design, pressure connection with M6 x 0.5 fine thread 〇 Robust structure (IP67), ideal for use in test benches 〇 Allows temperature reading and zero adjustment using RS485 interface (please contact us for details)

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Related catalog(4)

Keller Company Ultra High-Speed Pressure Sensor M5HB

Keller Company Ultra High-Speed Pressure Sensor M5HB

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Keller Company Ultra High-Speed Pressure Sensor M5

Keller Company Ultra High-Speed Pressure Sensor M5

PRODUCT
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Keller Company Ultra High-Speed/High-Temperature Pressure Sensor M8coolHB

Keller Company Ultra High-Speed/High-Temperature Pressure Sensor M8coolHB

PRODUCT
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Keller Company High-Speed Response Pressure Sensor 21PHB

Keller Company High-Speed Response Pressure Sensor 21PHB

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Slim 4 (Four) 48 W Jacket Tubes

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We would like to introduce 'Slim 4' handled by FCR & Bio Co., Ltd. This product is a jacket tube with a rack lid lock and anti-rotation function (compatible capacity 4.1ml). It is autoclavable and suitable for DMSO and vapor phase of liquid nitrogen. Additionally, it features a screw cap that does not use O-rings, packing, or gaskets. 【Features】 ■ Polypropylene ■ Autoclavable ■ DMSO compatible ■ Suitable for vapor phase of liquid nitrogen *For more details, please download the PDF or feel free to contact us.

Nov 07, 2025

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Non-contact light beam touch sensor 'HA-T401'

Recommended for infection control! Introduction of non-contact sensors for facilities.

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  • COMPANY

In recent times, there has been a growing interest in infection control measures and facility hygiene management. Our company offers non-contact sensor products that are recommended for commercial facilities, food factories, and nursing and caregiving facilities. 【Sensors for Automatic Doors】 ● Light Touch Sensor HA-T401 … When you wave your hand in front of the automatic door, the sensor detects the movement and opens or closes the door. It is recommended for making doors that use touch switches non-contact. ● Hand Wave Sensor PF-R5, PF-U2, DHS-1 … Opens and closes the automatic door by waving your hand in front of the sensor. ● Foot Switch PF-01S/01D/03S/05 … Opens and closes the automatic door by placing your foot in the opening. 【Access Control System】 ● Face Recognition + Unmanned Temperature Measurement DS Series … Capable of detecting mask-wearing and measuring body temperature simultaneously with face recognition. ● Automatic Disinfectant Spray Dispenser PHW-03B … Automatically sprays disinfectant when you wave your hand in front of the sensor. 【Nursing and Care Sensors】 ● Infrared Bed Exit Sensor "Just Place It Pole-kun" … This bed exit sensor is installed next to the bed and alerts via nurse call when the subject enters the detection range. ◎ For more details, please download the catalog or contact us.

Nov 07, 2025

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【Metal Crack Repair】We repair cracks in metal products without applying heat.

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  • CATALOG

The "Mechanical Stitch Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Nov 07, 2025

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[Cast Iron Crack] We will repair cracks in metal products without applying heat.

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The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is kept to a minimum. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Nov 06, 2025

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[Cast Iron Crack Repair] We repair cracks in metal products without applying heat.

  • NEW
  • COMPANY

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Nov 06, 2025

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