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Gas detector 4-sensor

At WatchGas, you will always find a gas detector with a 4-sensor. We offer a fitting solution for all your gas detection needs: from single gas monitors to a gas detector with a 4-sensor. Our professional Research & Development team develops detectors that are based on our customers’ needs. Therefore, you will always find the perfect gas detector for any occasion.

Are you interested in our products?

We support all our equipment with calibration gases, training, long-life sensors and fast service so that our worldwide customer base receives the highest protection and user-friendly equipment possible from our gas detectors.


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Single gas detector
  • storage

  • installation companies

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POLI Advanced Multi-Gas Detector
  • Confined spaces

  • Environmental

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XDIwin Explosion proof gas detector
  • Parking garages

  • Environmental

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COMBI 16/64/80 Control Unit
  • Boiler rooms

  • water treatment

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Atex beacon light alarm
  • Fire & gas detection

  • Machine safety

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  • Wide range of applications

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BALLFLOAT confined space clearance
  • Wide range of applications

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What does a gas detector with a 4-sensor do?

A gas detector with a 4-sensor is a 4-way gas monitor that protects workers in various environments. It detects gasses like hydrogen sulfide (H2S), oxygen (O2), carbon monoxide (CO) and low levels of various combustible gases (LEL). A gas detector with a 4-sensor often features a man down detector. Furthermore, some models come with a water- and dust-resistant case. Therefore, when you choose a gas detector with a 4-sensor, the high quality that we offer will always be guaranteed.

Portable gas monitor

In need of advice on a gas detector 4-sensor? Don’t hesitate to contact us

Secure a healthy work environment with our excellent gas detection equipment

Are you curious as to what our first-class solutions, such as a hydrogen gas detector, a gas detector with a 4-sensor or a CO2 gas detector, can mean to your work environment and the health and care of your workers? Then do not hesitate to contact us. You reach us by calling +31 (0)85 018 77 09 or by sending an e-mail to We are eager to tell you more about our high-quality products.


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We’re here to help.

In need of advice on gas detection, questions about our products, or maybe something else we can do for you? Get in touch with us.

Our professionals are happy to assist.