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Control and Monitoring Equipment

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 Dew point sensor (-100 … +50 °C Td)

SUTO Dew Point Sensors


  • Dew point with ranges from -100 … +50 °C Td
  • Communication outputs 4…20mA, Modbus RTU, Modbus TCP.
  • Dew point calculation
  • Easy to install, with and without display screens available.

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S230 / S231 Dew point sensor (-100 … +20 °C Td)

Dew Point Sensors for Hazardous Environments (ATEX, IECEx approval)


  • High accuracy over the entire range
  • Dew point calculation
  • M8 connector and cable with open terminals.

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S305 Dew Point Monitor (-50 … 20 °C Td / -20 … +50 °C Td)

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


  • Measures down to -20 ° C dew point
  • Accuracy: 1 … 2 °C.
  • Compressed air supply via 6 mm quick connector.

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S520 – Portable Dew Point Meter for Industrial Air and Gas

Portable solution for precise monitoring of dew point and pressure parameters in air and gas.


  • Complete measurement of dew point, temperature, humidity, and pressure in air and gases.
  • Internal data logging with direct analysis on the device screen, no additional software required.
  • Two sensor options depending on the application:
  • Sensor A: -100 … +20 °C Td for extreme moisture traces.
  • Sensor B: -50 … +50 °C Td for standard applications.
  • Intelligent dew point prediction for quick anticipation of results.
  • Modern color touchscreen with intuitive interface.
  • Integrated camera (optional) for audit documentation.
  • Compatible with wireless printer, USB data export, and PDF report generation according to ISO 8573-1.
  • Measuring chamber with parking function to keep the sensor dry and speed up response for each measurement.

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S600 – Portable analyzer for compressed air quality

Portable solution for compressed air audits, ensuring accurate measurements according to ISO 8573-1.


  • “All-in-one” portable analyzer that measures five critical compressed air parameters: particles, dew point, oil vapor, temperature, and pressure.
  • Dew point measurement from -100 °C to +20 °C Td with high accuracy thanks to ceramic oscillating crystal sensors.
  • Oil vapor detection from 0.001 to 5 mg/m³ using state-of-the-art PID sensor technology.
  • Particle counting with laser for sizes from 0.1 µm up to >5 µm, compliant with ISO 8573-4.
  • 5” color touchscreen for intuitive visualization of real-time measurements and graphs.
  • Data logging with capacity for up to 100 million values and PDF report generation for compressed air audits.
  • USB and Ethernet (Modbus/TCP) connectivity for data transfer to PCs or SCADA systems, with optional 4G/LTE for remote monitoring.

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S601 Fixed Monitor for Compressed Air Quality/Purity

Continuously monitors particles, dew point, and oil vapor to ensure high-quality compressed air in your plant.


  • All-in-one device: Measures particles, dew point, and oil vapor, as well as temperature and pressure.
  • Particle measurement in two ranges: A1260 (0.3–5 µm) and A1263 (0.1–5 µm).
  • Dew point: -100 … +20 °C Td; oil vapor: 0.001 … 5 mg/m³.
  • Internal data logging: Stores up to 100 million values for later analysis.
  • Easy integration with management systems: Via Modbus/RTU (RS-485) or Modbus/TCP (Ethernet).
  • Compact and wall-mountable: Ready for immediate use.

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S605 – Portable Breathing Air Quality Analyzer

Portable Breathing Air Quality Analyzer


  • Portable breathing air analyzer for precise measurements directly at the point of use, ensuring compliance with the strictest safety standards.
  • All-in-one solution for professional compressed air quality monitoring.
  • 5″ high-resolution color touchscreen for clear data and results visualization.
  • Rapid PDF report generation with complete breathing air data, ready for audits.
  • Industrial connectivity via Modbus/TCP and Modbus/RTU for integration into control systems.
  • Accurate measurements of O₂, CO, CO₂, humidity, oil vapor, and air pressure.
  • Ultra-portable, compact design, ideal for field measurements and industrial environments.
  • Single air inlet port for all measurement parameters.
  • USB interface and optional 4G/LTE for remote data export and real-time analysis access.
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S606 – Stationary Breathing Air Quality Monitor

24/7 monitoring of breathing air quality


  • All-in-one: measures O₂, CO, CO₂, H₂O, and oil, ensuring breathing air quality in compliance with international standards such as EN 12021 and CSA Z180.1-0.
  • Comprehensive monitoring: includes temperature and pressure measurement, providing full supervision of the environment.
  • Visible and configurable alarms: optical notifications and internal relays with customizable thresholds for each measured parameter.
  • Flexible connectivity: compatible with Modbus/RTU (RS-485), Modbus/TCP (Ethernet), and remote monitoring via 4G using the free S4A software.
  • Intuitive display: 5” touchscreen showing all key information at a glance.
  • Easy installation: compressed air connection via 6 mm tubing, with a robust wall-mounted cabinet.
  • Integrated data logging: internal data logger stores up to 30 million values for later analysis.
  • Durable construction: powder-coated steel housing with IP55 protection, ideal for industrial environments.

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