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  6. Keller Company Pressure Sensor Series 33X

Keller Company Pressure Sensor Series 33X

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last updated:Apr 11, 2025

KELLER Pressure Japan 日本支社
KELLER Pressure Japan 日本支社
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High-precision pressure sensor with RS485 digital output. Atmospheric pressure range (800 to 1200 hPa) is also available!

The pressure sensor 33X achieves an extremely high accuracy of 0.05% full scale (FS) in the temperature range of 10 to 40°C through a mathematical correction method. An additional option for high precision of 0.01% FS is also available. In addition to a digital RS485 interface, analog current or voltage outputs can be obtained. 【Features】 - Accuracy of ±0.05% FS in the temperature range of 10 to 40°C - Standard dual outputs of digital RS485 and analog output - Analog output can be range-adjusted via digital RS485 - Available in barometric range type (800–1200 hPa) and differential pressure range type (from 0–30 kPa to 0–3 MPa) - Temperature range of -20 to 125°C (optional -40°C also available) - Excellent long-term stability 【Technology】 - Piezo-resistive pressure sensor - Correction technology using a mathematical model to produce accurate pressure values

    Pressure
33X完成.jpg

Keller Company Pressure Sensor Series 33X

33X完成.jpg
33X完成.jpg
  • Series 33X
  • Special site - Product/service details - https://pr.mono.ipros.com/keller-druck/product/

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Pressure range: 0 to 30 kPa to 0…100 MPa Accuracy: ± 0.05 %FS @ 10–40°C Overall accuracy: ± 0.1 %FS @ -10…80 °C Output: RS485, 4–20 mA, 0–10 V, 0–5 V, etc. Temperature range: -20…125 °C *Software CCS30 The license-free software CCS30 is used for settings and recording measurement values. Measurement - Real-time graphic display - Adjustable measurement and saving intervals - Export function - Connection to bus systems - Up to 100 measurements per second Settings - Information retrieval (pressure and temperature range, software version, serial number, etc.) - Zero and span recalibration - Analog output rescaling (units, pressure range) - Low-pass filter adjustment - Selection of instrument address and baud rate

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Engine test bench Industrial and automation applications Hydraulic measurement Pressure gauge reference instrument

catalog(13)

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Keller Company High-Precision Pressure Sensor 33X

Keller Company High-Precision Pressure Sensor 33X

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Keller Company Low Pressure Pressure Sensor 41X

Keller Company Low Pressure Pressure Sensor 41X

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CO2 Capture - Based on Research of Solar Cell Materials, Why is a High-Precision Pressure Sensor Necessary?

CO2 Capture - Based on Research of Solar Cell Materials, Why is a High-Precision Pressure Sensor Necessary?

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Keller Company Hydrogen Application Pressure Sensor 23SY-H2

Keller Company Hydrogen Application Pressure Sensor 23SY-H2

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Keller Company intrinsic safety explosion-proof high-precision pressure sensor 33XEi/35XEi

Keller Company intrinsic safety explosion-proof high-precision pressure sensor 33XEi/35XEi

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Keller Company Flash Diaphragm Type Pressure Sensor 35X

Keller Company Flash Diaphragm Type Pressure Sensor 35X

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Pressure measurement technology using piezoresistance - What is piezoresistance? Why is this technology used for pressure measurement?

Pressure measurement technology using piezoresistance - What is piezoresistance? Why is this technology used for pressure measurement?

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Keller Company High-Precision Pressure Sensor 23SX

Keller Company High-Precision Pressure Sensor 23SX

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Keller Company CANopen Output Type Pressure Sensor 23SXc

Keller Company CANopen Output Type Pressure Sensor 23SXc

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Keller Company High-Temperature Pressure Sensor 35XHTC

Keller Company High-Temperature Pressure Sensor 35XHTC

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Keller Company High-Temperature Pressure Sensor 35XHT/35XHTT

Keller Company High-Temperature Pressure Sensor 35XHT/35XHTT

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Keller Company Converter (K-114, K-114-A, K-114-B, etc.)

Keller Company Converter (K-114, K-114-A, K-114-B, etc.)

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Keller Company High-Precision Differential Pressure Sensor PD-33X

Keller Company High-Precision Differential Pressure Sensor PD-33X

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News about this product(13)

KELLER Pressure will exhibit at the Sewer Exhibition '26 in Tokyo! From August 4 to August 7, 2026, at Tokyo Big Sight, West Hall 1, Booth 1-702.

  • Seminar・Event

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.

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KELLER Pressure will exhibit at the Sewer Exhibition '26 in Tokyo! From August 4 to August 7, 2026, at Tokyo Big Sight, West Hall 1, Booth 1-702.

  • Company news

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.

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KELLER will exhibit at the International Space Business Expo SPEXA! May 27-29, 2026, at Tokyo Big Sight, South Hall 3-4, S8-40.

  • Company news

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

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KELLER will exhibit at the International Space Business Expo SPEXA! May 27-29, 2026, at Tokyo Big Sight, South Hall 3-4, S8-40.

  • Seminar・Event

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

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Company information

KELLER

KELLER Pressure Japan 日本支社

Machine elements and parts

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Our company is the Japanese branch of KELLER Pressure (Switzerland). Since its establishment, KELLER Pressure has developed and produced all its products at its factory in Winterthur, Switzerland, and is a leading manufacturer of pressure transducers and pressure transmitters, certified with ISO 9001. As a core business, we manufacture and sell over 1.3 million pressure measurement cells annually, offering products with pressure ranges from 5 mbar (500 Pa) to 2000 bar (200 MPa). With the extensive experience gained from all our products, our solutions can cater to a variety of applications. We are highly regarded as a manufacturer of high-precision pressure sensors and also accommodate OEM and custom products. We have received positive feedback from many customers. Contact: sales.jp@keller-pressure.com

Product/Service List (107)

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