Euro-Gas gas sensor and circuitry ranges offer unique features and advances for end product performance, ensuring cost effective, high quality solutions for gas detection equipment manufacturers and system installers.

Our high performance gas sensors are lightweight and extremely cost-effective for gas detection instruments and installations. Superior electrochemical, solid state and infrared technologies are available in a variety of small-sized packages.

Sensors are available as bare sensors or with the supporting circuitry to provide 4-20mA, voltage or digital output, providing immediate, simple gas detection solutions for your Company. As our sensors are also utilised in our own gas measuring systems and monitors, you can choose from our selection of add-ons and accessories to provide a complete housed solution when required.

Our gas detection sensor ranges offer a host of benefits and advantages. Here are just some of the features of our gas sensors for the most popular of applications:

  • ECO-Sure and LXH for Carbon Monoxide CO
  • SureCell for Carbon Monoxide CO, Hydrogen Sulphide H2S and Chlorine Cl2
  • Miniature & industrial infrared Carbon Dioxide CO2
  • Solid state Hydrogen H2
  • 2E & Solid state Nitrogen Dioxide NO2
  • O2 SL & Solid state Oxygen O2
  • Pellistors & Zellpell for flammable/combustible gases

Carbon Monoxide CO ECO-Sure Electrochemical Sensors

The best value, high quality CO sensor on the market. Ideal for fire detection systems, commercial, marine and residential alarms and car park systems. Available as a single sensor, in combination with a 4-20mA transmitter or as a complete housed solution.

ECO-Sure is the latest generation electrochemical CO sensor from Sixth Sense, specifically designed for use in consumer and commercial applications, and is the trusted sensor utilised in millions of gas detection devices worldwide.

It is the ideal sensor for fire detection systems, residential CO alarms and car park monitoring systems.

  • Exceptionally low cost.
  • Unique design for use in extreme environments.
  • Typical lifetime in excess of 5 years continuous use
  • Suitable for use in BS, EN, UL, LPC, VDS and TÜV accredited products.
  • Features an integrated active filter to eliminate false alarms caused by common household vapours.
  • Also available with a 4-20mA transmitter, which has special approval by TÜV according to VDI 2053 for OEM applications with CO monitoring systems for underground car parks.
  • Trusted in millions of devices worldwide.

NEW for 2013

ECO-Sure X – 10 year warranty version!
The ECO-Sure sensor is also now available with a 10 year warranty, providing a unique selling point for your equipment. Ask us for details!

ECO-Sure Sensor Range

  • ECO-Sure (2e) CO sensor for the detection of 0-500ppm
  • NEW ECO-Sure X (2e) CO 10 year warranty sensor for the detection of 0-500ppm
  • ECO-Sure LXH CO sensor with low Hydrogen cross-sensitivity and for the detection of 0-500ppm

Sensor Accessories

  • ECO-Sure sensor with 4-20mA transmitter
  • Installation Kit
  • Calibration/Test Gas Cap

Gas Measuring Systems & Accessories

  • ECO-Sure Gas Measuring System 0-300ppm
  • ECO-Sure Gas Measuring System 0-300ppm with ATEX Housing
  • ECO-Sure X Gas Measuring System 0-300ppm with ATEX Housing
  • LXH Gas Measuring System 0-300ppm
  • MODBUS Card – for 4-20mA signals
  • Limit Monitor – for 2 or 4 measuring systems
  • Limit Monitor – for 6 measuring systems

LXH version - with Low Hydrogen Cross-Sensitivity

Where it is important to utilise a Carbon Monoxide sensor offering low Hydrogen cross-sensitivity, the LXH CO sensor is ideal. Available as a single sensor, in combination with a 4-20mA transmitter or as a complete housed solution.

This sensor is popular for medical applications and particularly for smoking cessation. It is also utilised where Hydrogen is present in industrial or public areas. The two-electrode LXH CO sensor is designed for the detection of Carbon Monoxide in air, where Hydrogen may be present as a cross-interferent.

The primary application of the LXH sensor is for the measurement of Carbon Monoxide in breath, making this sensor ideal for monitoring equipment utilised in ‘stop smoking’ programmes.

Carbon Monoxide CO, Hydrogen Sulphide H2S, Chlorine Cl2 SureCell Electrochemical Sensors

The next generation of OEM gas sensors from Sixth Sense. Available as single sensors, in combination with a 4-20mA transmitter or as a complete housed solution 

SureCell is a revolutionary design of high performance electrochemical gas sensor. The unique features of SureCell and the potential advances for end product performance, make SureCell a truly cost-effective solution for gas detection equipment manufacturers and installers.

Based on 20 years of R&D, SureCell embodies a number of technological advances to offer unprecedented performance in even the harshest environmental conditions:

  • The unique internal construction of SureCell ensures indefinite operation in extreme temperatures and humidity.
  • Even during extended periods of exposure to high humidity, there is no leakage potential or signal loss.
  • Further design features provide reduced cross sensitivity and increased stability.
  • Improvements in mechanical design ensure SureCell is high quality, reliable and dependable.
  • Advanced production processes result in a sensor that is both cost effective and available in high volumes.

SureCell Sensor Range

  • CO(M) – filtered 3-electrode Carbon Monoxide sensor for the detection of 0-1000ppm.
  • CO(H) – unfiltered 3-electrode Carbon Monoxide sensor for the detection of 0-500ppm.
  • H2S(L) – 3-electrode Hydrogen Sulphide sensor with improved temperature profile for the detection of 0-200ppm.
  • H2S(M) – 3-electrode Hydrogen Sulphide sensor, with reduced output, for the detection of 0-100ppm.
  • H2S(H)– 3-electrode Hydrogen Sulphide sensor for the detection of 0-100ppm.
  • Cl2 – 3-electrode Chlorine sensor with improved humidity profile for the detection of 0-20ppm.

Sensor Accessories

  • 4-20mA Output Transmitter.
  • Installation Kit.
  • Test Gas Cap.

Gas Measuring Systems & Accessories

  • CO(M) Gas Measuring System 0-1000ppm.
  • H2S Gas Measuring System 0-200ppm.
  • Cl2 Gas Measuring System 0-20ppm.
  • MODBUS Card – for 4-20mA signals.
  • Limit Monitor – for 2 or 4 measuring systems.
  • Limit Monitor – for 6 measuring systems.

Carbon Dioxide CO2 C1 & C2 Miniature Infrared Sensors

Our miniature sensors are fast response, ultra low power 3.5mW, solid state, infrared sensors for an extensive range of applications. This exciting technology brings fast response, real time sensing plus high accuracy and long-term stability. Available as a sensor with digital or analogue transmitter and offering a USB cable

The sensors are particularly ideal for portable and battery powered instruments. Optional temperature and humidity outputs are also available. Measurement of CO2 is offered in real time or as an averaged/integrated response signal, which can be selected depending upon the application.

The ranges for the C1 are 0-2000ppm, 0-1%, 0-2%. The ranges for the C2 are 0-5%, 0-20%, 0-65% and 0-100% volume CO2. Optional ranges are available on request from 200ppm to 100%.

High performance LEDs and photodiodes offer low power, fast response, intrinsic safety and sunlight immunity. This sensor technology benefits from being a semiconductor ensuring it is very stable over many years, is resistant to environmental effects, such as humidity and poisoning, and is usable over a wide temperature range, with little environmental impact.

Analogue and digital electronic interface options provide a temperature compensated and linearised CO2measurement that can be customised to suit specific customer requirements.

Popular applications for this sensor include HVAC and IAQ, diving, automotive, education, industrial safety and horticulture.

CO2 Sensor Ranges

  • C1 miniature sensor for low range detection of 
    0-2000ppm, 0-1%, 0-2%
  • C2 miniature sensor for low range detection of 
    0-2000ppm, 0-5%, 0-20%, 0-65% and 0-100% volume
  • C3 industrial sensor for detection from 0-3000ppm to 0-5% volume
  • C4 sensor in 4 and 7 series sizes, with ATEX certification option, for detection from 0-5000ppm to 30% volume

Sensor Accessories

  • All CO2 sensors offer integrated transmitters
  • Flow/Test Gas Cap
  • Software & data cable

Gas Measuring Systems & Accessories

  • Indoor air quality monitors 0-3000ppm
  • CO2 Gas Measuring System 0-3000ppm to 0-5%
  • CO2 Cellar Gas Warning System
  • MODBUS Card – for 4-20mA signals
  • Limit Monitor – for 2 or 4 measuring systems
  • Limit Monitor – for 6 measuring systems

C3 Industrial Infrared Sensors

Available for general CO2, indoor air quality or heavy industrial monitoring, infrared sensors offer long term stability in a compact, cost-effective package. Available as sensors with 4-20mA transmitters or as complete housed solutions. These also offer calibration software

The innovative material and construction of a double beam infrared measuring system ensures Carbon Dioxide is detected quickly and precisely. 

A new digital algorithm evaluates and processes the measured signals, offering long-term stability in a lightweight, compact and cost-effective package.

The infrared measuring system detects the absolute Carbon Dioxide content of ambient air and monitors itself constantly, signalling if there is a malfunction of its hardware or software.

Infrared dual beam CO2 technology is also utilised in our complete CO2 Gas Warning System, ideal for CO2 gas storage areas such as beer cellars.

Oxygen O2 O2 SL Electrochemical Sensors

Shock resistant, leak free design ensures a lifetime of 100% reliability. Available as a single sensor, in combination with a 4-20mA transmitter or as a complete housed solution.

SL Oxygen sensors from Sixth Sense overcome the problems associated with standard metal can sensors. They are designed to be directly interchangeable with current sensors incorporated into fixed and portable gas detectors.

Typical applications include the measurement of Oxygen deficiency in confined spaces such as tunnels, mines or chemical plant or for the analysis of combustion gases in flues and chimney stacks.

The SL’s shock resistant, leak free design ensures lifetime reliability. High sensor to sensor repeatability and tolerance to temperature and pressure transients also contribute to highly reliable performance. All have lifetimes of 18 months.

O2 Sensor Ranges

  • O2 SL oxygen sensor for 0-25% volume measurement
  • 4-O2-P 4 series solid state sensor for 0-30% volume measurement

Sensor Accessories

  • O2 SL sensor with 4-20mA transmitter
  • 4-O2-P sensor with i2c/volatge transmitter
  • Calibration/Test Gas Cap

Gas Measuring Systems & Accessories

  • O2 SL Gas Measuring System 0-25% volume
  • MODBUS Card – for 4-20mA signals
  • Limit Monitor – for 2 or 4 measuring systems
  • Limit Monitor – for 6 measuring systems

O2 Solid Electrochemical Sensors

The latest in Oxygen electrochemical technology utilises solid electrolyte, which offers a number of benefits over acid electrolyte. The sensors are available as standard 3-pin 4 series size sensor, in combination with digital i2c/voltage transmitter.

The Oxygen sensor is a unique design of high performance electrochemical gas sensor. Utilising a solid electrolyte, it offers a number of technological benefits:

  • Solid electrolyte is easier to handle with no housing or reservoir required. This means that the sensor can be provided in different packages, providing cost advantages for instrumentation and volume production when required.
  • The reading is fast with immediate adjustment to humidity and quick adjustment to temperature.
  • Production is fully automated ensuring quality and stability.
  • Lifetime is in excess of 2 years.

Flammable Gases Pellistors & Zellpell

The latest catalytic gas sensors from Sixth Sense offer new levels of poison resistance and lifetime for flammable gas detection. These can be purchased as pellistor pairs or as the Zellpell sensor. The Zellpell is available as a single sensor, in combination with a 4-20mA transmitter or as a complete housed solution

Sixth Sense pellistors allow you to reduce calibration requirements, increase customer confidence and repeat business.

All pellistors are attacked by certain vapours and in particular, by silicone and Hydrogen Sulphide. The CAT16 sensor will survive up to 20 times longer than other ‘poison resistant’ sensors. Sixth Sense pellistors often exhibit lifetimes in excess of 5 years.

CAT16 elements are available for fixed point systems, whilst the CAT25 suits portable devices.

The CAT25 sensor is amongst the most power efficient worldwide. If required, this can be supplied in metal housing and fitted with an integral flame arresting sinter, making it ideal for use in certified equipment – please ask about our Zellpell sensor. The Zellpell sensor is available in combination with a 4-20mA transmitter.

Flammable Gases Sensor Ranges

  • CAT16 – Pair of super-high poison resistant pellistors for 0-100% LEL (2.7V, 200mA)
  • CAT25 – Pair of low power consumption pellistors for 0-100% LEL (3.3V, 70mA)
  • Zellpell – CAT25 built into certified housing or 0-100% LEL
  • C4 infrared CH4 or Propane sensor in 4 or 7 series for 0-100% volume or 0-100% LEL, with ATEX certified option

Sensor Accessories

  • Zellpell with 4-20mA transmitter
  • Calibration/Test Gas Cap
  • C4 sensor with 2V or bridge type transmitter, with ATEX certified option

Gas Measuring Systems & Accessories

  • Zellpell Gas Measuring System 0-100% LEL
  • MODBUS Card – for 4-20mA signals
  • Limit Monitor – for 2 or 4 measuring systems
  • Limit Monitor – for 6 measuring systems

Hydrogen H2 H2 Micro Solid Electrochemical Sensors

The latest in Hydrogen electrochemical technology utilises solid electrolyte, which offers a number of benefits over acid electrolyte. The sensors are available as micro sensor, in combination with analogue and i2c transmitter

The Hydrogen sensor is a unique design of high performance electrochemical gas sensor with a standard range of 0-20,000ppm (50% LEL) and a maximum range of 0-40,000ppm. Utilising a solid electrolyte, it offers a number of technological benefits:

  • Solid electrolyte is easier to handle with no housing or reservoir required. This means that the sensor can be provided in different packages, providing cost advantages for instrumentation and volume production when required.
  • The reading is fast with immediate adjustment to humidity and quick adjustment to temperature.
  • Lifetime is in excess of 5 years.
  • Production is fully automated ensuring quality and stability.

H2 Sensor Ranges

  • H2 Micro solid state sensor for 0-1000ppm, 0-20,000ppm or 40,000ppm measurement
  • 4-H2-1000 and 4-H2-40000 4 series sized electrochemical sensor (3-pin) for 0-1000ppm and up to 40,000ppm measurement

Sensor Accessories

  • H2 micro sensor and 4 series size sensor with i2c/voltage transmitter
  • Calibration/Test Gas Cap

Nitrogen Dioxide NO2 2E Electrochemical Sensors

A life time of two years and the option of a 4-20mA transmitter, provides an easy solution for the measurement of Nitrogen Dioxide. This is available as a single sensor, in combination with a 4-20mA transmitter or as a complete housed solution

Directives to limit and decrease Nitrogen Dioxide emissions are becoming more commonplace around the world. Power stations and traffic are the main sources. Major road networks and urban areas have the highest levels of Nitrogen Dioxide. However, in homes with gas stoves, kerosene heaters, or unvented gas space heaters, indoor levels often exceed outdoor levels and put at risk people’s health.

This compact superior electrochemical sensor also comes with a 4-20mA solution, which is pre-calibrated. An installation kit and test gas cap offers easy assembly into wall mounting boxes.

This solution is particularly popular for monitoring levels in underground car parks.

NO2 Sensor Ranges

  • NO2 2E sensor for 0-20ppm measurement
  • NO2 SS Micro sensor for 0-100ppm measurement
  • 4-NO2-20 and 4-NO2-2000 4 series sized sensor (3-Pin) for 0-20ppm and 2000ppm NO2 measurement
  • 7-NO2-20 7 series sensor for 0-20ppm measurement

Sensor Accessories

  • NO2 2E sensor with 4-20mA transmitter 0-20ppm, installation kit and test gas cap
  • NO2 micro and 4 series size sensors with i2c/voltage transmitters

Gas Measuring Systems

  • NO2 2E Gas Measuring System 0-20ppm
  • MODBUS Card – for 4-20mA signals
  • Limit Monitor – for 2 or 4 measuring systems
  • Limit Monitor – for 6 measuring systems

NO2 Solid Electrochemical Sensors

The latest in Nitrogen electrochemical technology utilises solid electrolyte, which offers a number of benefits over acid electrolyte. The sensors are available as micro 3-pin sensors, in combination with i2c digital / voltage transmitter

The Nitrogen sensor is a unique design of high performance electrochemical gas sensor. Utilising a solid electrolyte, it offers a number of technological benefits:

  • Solid electrolyte is easier to handle with no housing or reservoir required. This means that the sensor can be provided in different packages, providing cost advantages for instrumentation and volume production when required.
  • The reading is fast with immediate adjustment to humidity and quick adjustment to temperature.
  • Production is fully automated ensuring quality and stability.
  • Lifetime is in excess of 5 years.

Should you be interested in finding out about any of our sensor range in greater depth, please contact us by telephone, fax or by emailing us at [email protected].

We would be delighted to discuss your Company’s gas sensor requirements and how we may assist. If you cannot find the solution or gas sensor you are looking for, please contact us and we will find the detection solution for you.