The 6 Best Flue Gas Analysers

By | 19th September 2017

Welcome to our 3-minute guide to the best flue gas analysers.

There’s no doubt gas analysers are expensive. So, if you’re outlaying big chunks of cash, you need to be sure you’re making the right purchase.

Please note: Gas checks should only be made by qualified engineers on the Gas Safe Register. If you are not Gas Safe registered, find someone who is to do your flue gas tests.

Skip straight to the end of the article if you want to see our 30-second review verdict.

Testo Gas Analysers

Testo gas analysers are first on our list. We’ll be looking at the Testo 310 and the Testo 327-1.

Testo 310

Price: £410 

If you’re looking for a simple and easy to use flue analyser, the Testo 310 is the perfect choice.

It allows heating engineers to take all basic measurements from heating systems, as well as more complex combustion measurements.

This includes Direct O2, CO, flue gas and ambient temperature. You’ll be able to switch from Wood, Biomass, Fuel Oil, Propane and Natural Gas easily using the on-screen display.

It’s quick to fire up, and you’ll be able to start testing within 30 seconds of turning the 310 on.

And, you won’t need to charge it when out on call, because it’s got a long 10-hour battery life.

A bit clumsy? No problem. The Testo 310 is hard wearing, and will withstand a few drops.

At just over £400, it offers excellent value for money.

Get this Gas Analyser here.

Testo 327-1

Price: £590

Like the 310, the Testo 327-1 has a simple display, and is easy to navigate. At 500g, you’ll hardly notice it’s there, and it has a much more durable feel than the 310.

You’ll be able to grab the draught measurements, as well as the Ambient CO measurement using flue gas probe. The CO measurement (undiluted) can be stored.

Alongside this, you’ll get the option to get the combustion efficiency, °C, O2, CO2 and CO levels.

You can measure in a range of -40 to +600 °C and 0 to 99.9% to grab anything from 0 to 4000 ppm.

It’s lower on battery power with 5 hours, but that’s more than enough between charges.

Get this Gas Analyser here.

Kane Flue Gas Analysers

Kane flue gas analysers are probably the most well-known in the testing industry. We’ll cover the Kane 455 CPA1 Kit, and the cheaper 455.

Kane 455 CPA1 Kit

Price: £850

With the Kane 455 CPA1 Kit, you’ll get the Full Monty. This includes gas leak detector, quality BS7967 CO probes, a calibration certificate and of course, a printer.

But, you’d expect that for the hefty £850 price tag.

Test selection is easy here. There’s a rotary dial, and that allows you to switch to whatever test procedure you need to carry out quickly.

From a technical stand point, you’ll be able to measure O2, CO2 and CO in the 0-2000ppm range.

You’ll also get differential pressure and temperature readings.

Working on alternative energy heating systems? No problem. You’ve got excess air and efficiency ratings for multi-fuel, as well as oils and gas.

You’ll be able to store 99 different combustion tests. And, that’s not all. You’ll be able to hold data for 20 room based CO readings, temp readings, tightness and pressure tests.

Get this Gas Analyser here.

Kane 455

Price: £650 

Like the full 455 CPA1 kit, the standard Kane 455 pack offers an easy to use system, with easy to read display.

Measurements are the same, at 0-2000ppm and the same storage is on offer (i.e. 99 combustion tests, 20 for each room CO, temp, tightness and pressure tests).

You’ll get a tonne of kit with your purchase include 4 x batteries, manual, infrared printer, a KMCP2 probe and a rubber boot to protect the analyser.

Get this Gas Analyser here.

Anton Flue Gas Analysers

Let’s jump into the Anton flue gas analyser range. The top choice in the Anton range is currently the Anton eVo2Kit3 Sprint.

Anton eVo2Kit3 Sprint

Price: £760

Priced at £760, it’s hardly the cheapest flue gas analyser out there. But, is it worth the cash?

Anton have given the eVo2Kit3 Sprint the ability to offer engineers a tonne of test possibilities. This includes temperature and efficiency readings, draft and differential measurements and the ratio of CO/CO2.

As you’re going through a boiler flue test, you’ll be able to store up to 200 readings ready for the printout. And, that can be viewed on the display, or fired straight over to your PC ready to print. So, you don’t need a separate printer.

It’s got everything you need from a flue gas analyser. Whether it’s a time CO build-up test, or a multi-fuel functionality, it’s got you covered.

Out of the box you’ll get a calibration certificate and 12 months warranty. You’ll have this 12 months extended by a further 12, if you get an annual calibration.

You’ll get instructions, a probe and batteries. But, if you want a carry case, you’ll need to buy that separately.

Get this Gas Analyser here.

Cheapest Flue Gas Analyser

Looking for a cheap flue gas analyser? Well, cheap and gas analysers are rarely in the same sentence, but here is what we found.

Regin Regxa1

Price: £300

At £300 you can’t knock the Regin Regxa1 analyser. You’ve got all the domestic fuel capability you need (gas, butane, LPG and oil) and you’ll get a 12-month warranty.

Like many of the other analysers, you’ll need to buy a storage case separately and that’s advisable, given how expensive they are.

Get this Gas Analyser here.

Review Verdict: Which Is The Best Gas Analyser To Buy?

We’re liking Testo here for both functionality and price. They offer mid-priced products with top-end features.

So, if you’re budget can stretch, we’d be heading for something like the £590 Testo 327-1 flue analyser. But, if you’re strapped for cash or don’t regularly use a flue gas analyser, the Testo 310 will do the trick.

Get this Gas Analyser here.

What’s Next?

Thanks for reading our 3-minute guide to the best flue gas analysers.

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