What is The Multi Gas Detector?

A multi gas detector can come in many shapes, sizes and sensor configurations, which can cause some confusion with first time buyers. A multi gas detector is a portable device designed to detect multiple gases simultaneously.
What is The Multi Gas Detector?

What is The Multi Gas Detector?

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Multi Gas Detector – What is it?

A multi gas detector can come in many shapes, sizes and sensor configurations, which can cause some confusion with first time buyers. A multi gas detector is a portable device designed to detect multiple gases simultaneously. A portable gas detector is usually the last line of defence to alerting operators of dangerous gas leaks. The most common sensor configuration for a multi gas detector is carbon monoxide, hydrogen sulphide, flammable (infrared or pellistor) . This configuration is commonly used for confined space entry such as in the sewer industry, water treatment or tank cleaning.

gas detector

However, a multi gas detector is not limited to this standard configuration, our POLI series multi gas detector can have up to 5 sensors, which can be customised with any sensor configuration using its up to 30 sensors. One example sensor configuration is the POLI is Oxygen and CO2, used for industries such as beverage and medical. The POLI can, however, house sensors for more exotic gases, such as VOC’s. VOC sensors may be needed in conjunction with other sensors, such as flam, in applications such as oil and gas or heavy industries. This is due to these being particularly harsh environments with multiple gas hazards that are dangerous to people and plant.

As mentioned, if you are working in a confined space then the SENKO MGT multi gas detector will most likely fit your requirements. Most standard four gas monitors, like the confined space entry example given above, can be ordered online. Where customised sensor configurations are required these may need discussion with the manufacturer as additional maintenance/training may be required.

Always Seek Advice

As always, you are buying a safety device that is designed to provide early warning of potential gas leaks and ultimately save your life. When purchasing your monitor, be sure that the monitor reflects the requirements of your application and gas hazards. For example, confined spaces are exactly that, they are limited on space and can restrict movement. Therefore you want your confined space monitor to be light weight and unobstructive.

confined space multi gas detector

You also need to consider if the multi gas detector provides live gas readings and an optional pump module for pre entry checks. This is especially useful for confined spaces. The SENKO MGT multi gas detector is one of the most popular confined space monitors. It is available to order online on our website or you can contact our team. Finally, an important question to consider – “does the monitor detect the correct gases onsite and does it require ATEX/Intrinsically Safe approval?”

Discover our Multi Gas Monitor

If you have multiple gas hazards onsite and require a multi gas detector, then you need to make sure that the detector can have the mix of sensors required for your application. In addition you need to check if there are any cross interfering gases that could potentially cause false/incorrect alarms. If in doubt always seek advise the manufacturer. Ask for test data and certificates and discuss your application in detail. Most manufacturers will help with specifying the correct monitor and will provide training. If you are unable to contact the manufacturer, then ensure the distributor is trained by the manufacturer. Always ask for training certificates and the distributors authorised distributor letter.

Sadly, a recent incident in the UK highlights the issues of incorrectly specified equipment. Unfortunately this led to a fatality in a confined space. You can read the full report here. Therefore, if you are not familiar with gas detection, not familiar with the monitor or have questions about your application, then always seek advice from the manufacturer or authorised agent.

What Does IGD Offer?

Here at IGD we can provide full support from initial discussion, to purchasing, training and on-going service support. As Senko’s sole distributor and service centre for the UK and EU, we can ensure a fast turnaround and competent calibration of your confined space monitors. The MGT multi gas detector can be ordered online from our website here.

Finally, we also supply a range of single gas monitors, for very specific gas hazard applications. This includes ammonia detectors for refrigeration industry or VOC detectors for cleanroom and laboratory applications. Check out our single gas monitors here.

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