Handy Oxygen Measuring Instruments for Welders

02W PurgEye100 IP65 WeldPurgeMonitorWelders need to measure oxygen near the weld when they are joining metals like titanium, stainless, chrome and duplex steels.

A fast and reliable way to do this, is to use a hand held monitor near the joint to ‘sniff’ samples of the gas and to check the amount of oxygen present.

Ordinary oxygen monitors are not suitable for use in this application, because they are calibrated to be accurate at atmospheric pressure for health and safety purposes.

So special oxygen monitors are available that are calibrated to be accurate at 100 ppm of oxygen, which is a suitable value to guide those welding stainless steel and 10 ppm which is an excellent value for the welding of titanium.

Using these two instruments, known as the “PurgEye® 100 and the PurgEye® 200 operators have easy to use monitors that can be carried with them in all situations, so that they can guarantee to produce a perfect, non oxidized, no colour weld.

A customer recently said: “The PurgEye® 100 is one of the best, if not the best residual oxygen detector instruments on the market today. With its digital residual oxygen level LCD screen readouts measuring as low as 100 ppm and its large user friendly viewing screen making it easier for me to read. The PurgEye® 100 also has a great accuracy of residual oxygen, with speedy measurement's being displayed within seconds.”

Both of these instruments are IP65 rated and have leak-tight push buttons, auto calibration features, vacuum-sealed leak-tight probe assembly and wrist/neck straps

The extra long life sensors allow these instruments to operated for several years without attention although calibration documents and service can be carried out by the manufacture on a yearly basis if required.

As already quoted, the PurgEye® 100 has a clear, easy to read LCD screen, with a 24 mm high display. The display also shows a low battery icon. When the monitor is not in use, an automatic sleep mode activates to conserve battery life.

The PurgEye® 200 has extra facilities with, in particular a PurgeNet™ connection that allows it to join up with a humidity monitor for measuring water vapour present at the same time.


03W PurgEye100 IP65 WeldPurgeMonitor 01W PurgEye200 WeldPurgeMonitor


PurgEye® 100 video can be viewed at: YouTube 
PurgEye® 200 video can be viewed at: YouTube 

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