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Suto

Pressure Sensors

Pressure Sensors


  • The pressure sensor is designed to measure the pressure of compressed air and gases within the permissible operating parameters.

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Rental of Portable S605 Analyzer for Breathing Air Quality

Professional S605 Rental: precise breathing air quality measurements right at the point of use — ready for audits and regulatory compliance.

  • Simultaneous measurement of O₂, CO, CO₂, humidity, dew point, and oil vapor.
  • 5” color touchscreen with clear results display.
  • Automatic PDF report with regulatory compliance assessment.
  • Advanced connectivity: USB, Modbus/TCP, Modbus/RTU, and optional 4G/LTE.
  • Ultraportable design, ideal for field measurements.
  • Complies with international breathing air standards (EN 12021, ISO 8573-1).

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S110 Portable Power Meter

Portable Power Meter


  • They measure the actual power consumption in kW and accumulate the energy consumption in kWh of a three-phase load.

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S120 – Oil Vapor Sensor

Oil Vapor Sensor for Compressed Air and Gas Systems


  • Ultra-precise measurement of oil vapors in air and gases: Detects down to 0.001 mg/m³, ensuring the finest control of your system.
  • Versatile: Suitable for permanent or portable applications, depending on your needs.
  • Easy to install: Quick connection via sampling hose and quick connectors.
  • Comprehensive output signals: Compatible with 4–20 mA, RS-485 Modbus RTU.
  • High-precision PID sensor: Ensures reliable measurements at all times.
  • Visual alerts and maintenance indicators: LEDs show sensor status and alarms.
  • Optional touchscreen and data logger: View measurements and store up to 100 million values.
  • Full connectivity: Compatible with SUTO displays, data loggers, and third-party control units.
  • Robust protection: IP65 housing, ideal for demanding industrial environments.
  • Dew point sensor option: Measures from –100 °C to +20 °C Td for even more comprehensive air control.

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S130/132 – Laser Particle Counter

Laser Particle Counter for Compressed Air


  • Precise Particle Measurement in Ambient Air: Counts particles with laser in channels of 0.3, 0.5, 1.0, and 5.0 µm, complying with the ISO 21501-4 particle counting procedure.
  • Versatile Use: Can be used as a portable instrument or fixed installation, thanks to its mounts and compact design.
  • Advanced Data Output: Includes analog signals (4…20 mA), digital signals (RS-485 / Modbus RTU), internal SUTO signal (SDI), and normally open (NO) relay alarm for integration with external systems.
  • Robust Protection: IP65 housing resistant to demanding industrial environments.
  • Optional Integrated Display: Allows monitoring and configuration directly from a 5” graphic touchscreen display.
  • LED-Indicated Maintenance and Service: Facilitates operation and ensures the equipment functions correctly at all times.

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S211 / S215 / S220 – Industrial Dew Point Sensors (–100 to +50 °C Td)

High-precision sensors for continuous dew point monitoring in compressed air.


  • Precise dew point measurement with ranges from –100 to +50 °C Td
  • High stability and reliability for continuous monitoring in industrial applications
  • Communication outputs: 4…20 mA, Modbus RTU, and Modbus TCP
  • Condensation point calculation to prevent moisture formation in the compressed air network
  • Robust design for industrial environments
  • Easy installation inline or in bypass
  • Available with or without display for local reading
  • Low maintenance and long sensor service life
  • Ideal for compliance with compressed air quality standards (ISO 8573)

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S230 / S231 – Dew Point Sensor for Harsh Environments

Accurate dew point measurement in potentially explosive atmospheres with ATEX and IECEx certification.


  • Dew point measurement from –100 … +20 °C Td (depending on model)
  • ATEX and IECEx certification for classified hazardous areas
  • High accuracy and stability across the entire measuring range
  • Advanced sensor technology (Polymer / Polymer + QCM)
  • 4…20 mA output + Modbus/RTU (RS-485) communication
  • Robust IP65 design for demanding industrial environments
  • Calculation of multiple humidity parameters
  • M8 connector and cable with open wire ends

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S305 Dew Point Monitor

Dew Point Monitor with Alarm (–50 … 20 °C Td / –20 … +50 °C Td)


  • Two measuring ranges available: –50 … +20 °C Td and –20 … +50 °C Td
  • Accuracy of ±2 °C Td
  • Plug & Play solution, ready to install
  • 6 mm quick connection for compressed air
  • LCD display with value and alarm indication
  • Programmable pre-alarm and main alarm (2 relays)
  • 4…20 mA output for PLC or SCADA systems
  • Industrial IP65 housing, suitable for wall or panel mounting

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S330/S331 – Graphic Display and Data Logger

Graphical Display and Data Logger


  • Saves Time: The display shows a clear picture of your system at any given time.
  • Reduce Waste: Metrics quickly reveal problems and can be configured to alert you.
  • Easy to Use: Easy-to-read metrics allow anyone in your operation to monitor them.

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S401 – Thermal mass flow meter with insertion technology

Insertion thermal mass flow sensor, ideal for monitoring compressed air and process gases.


  • Insertion-type flow sensor, ideal for flexible installations and direct measurement under pressure.
  • Thermal mass flow measurement, independent of system pressure and temperature.
  • High accuracy and wide measuring range, suitable for detecting everything from large flow rates to small air or gas leaks.
  • Internal memory with two calibration curves, allowing the same sensor to be used with two different gases while maintaining maximum accuracy.
  • Integrated digital display for real-time visualization of instantaneous flow and totalized consumption.
  • Compatible with pipe diameters from 1” to 12” (other diameters available upon request).
  • Can be installed without shutting down the pressurized line (see installation video).
  • Robust housing with IP65 protection, designed for demanding industrial environments.
  • Isolated analog and pulse outputs, plus MODBUS / RTU interface for integration with monitoring systems.
  • Ultra-fast response time, ensuring stable readings even under fluctuating flow conditions.

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S421 – In-line Thermal Mass Flow Meter

Thermal Mass Flow Sensor with Pipe Section


  • Individual factory calibration on the complete measuring section, ensuring high accuracy and excellent repeatability even under variable flow conditions.
  • Dual calibration curve stored in internal memory, ideal for operation with two different gases or different operating ranges without the need for recalibration.
  • Integrated pipe design that ensures stable and reliable measurement by eliminating errors caused by irregular flow profiles.
  • Fast response to flow changes, suitable for dynamic processes and continuous monitoring.
  • Robust industrial construction, designed for continuous operation in demanding industrial environments.
  • Direct mass flow measurement, reducing sources of error and simplifying commissioning.

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S430 – Flow and Consumption Sensor for Compressed Air

Precise measurement of flow and consumption in untreated compressed air


  • Precise measurement of flow and consumption in demanding applications with humid air, steam, and high-velocity flows.
  • Designed for installation at the compressor discharge, even with undried or unfiltered air.
  • Direct measurement of the compressor’s FAD flow, without estimates or correction factors.
  • Pitot-type measurement technology, ideal for high-pressure and high-temperature conditions.
  • High measurement stability, even under rapid flow variations.
  • Suitable for large-diameter pipes, typical in main compressed air systems.
  • Low maintenance, with no moving parts exposed to the flow.
  • Robust and reliable solution for energy audits and compressor performance monitoring.

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S450/S452 – Explosion‑Proof Flow Sensor (Insertion / In‑Line)

Flow sensor designed for harsh industrial environments and ATEX applications


  • Direct measurement of mass flow and standard flow without the need for pressure compensation.
  • Wireless interface for on-site configuration and monitoring of the sensor.
  • Robust and durable design for harsh environments, including outdoor use (IP67).
  • No moving parts, ensuring low maintenance and zero clogging.
  • Compatible with explosive environments (ATEX/IECEx option).
  • Supports a wide range of pipe sizes: insertion type for large diameters and in-line type for small diameters.
  • Configurable outputs: 4–20 mA, pulse, HART, or Modbus, for flexible integration with industrial systems.

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S461 – High‑Precision Ultrasonic Flow Meter for Liquids

Clamp‑on device for high‑precision liquid flow and consumption measurement.


  • Non-contact measurement of flow and consumption for multiple liquids.
  • Energy measurement with clamp-on temperature probes (optional).
  • Bidirectional flow with separate counters.
  • Easy installation and configuration via the S4C-US app.
  • Compatible with pipes from DN40 to DN1200.
  • Data logging and energy efficiency analysis.
  • Outputs: Modbus, 4–20 mA, pulses, and alarms as required.
  • Portable version available for temporary measurements.

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