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Hand-Held Purge Monitor (HPM)

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Hand-Held Gas Purge Meter (HPM) 

The HPM is a robust, battery-powered hand-held unit for the measurement of Oxygen levels when purging. The Oxygen level is displayed in either percent (%) or parts per million (dependant on model purchased).

The HPM is housed in a rugged die-cast aluminium case with IP rated aluminium push buttons. It has a 2.6” OLED full-colour display which changes colour to show when the user set Oxygen levels have been achieved. The user can set an upper and lower Oxygen level on the HPM so when the Oxygen level is above the ‘High Limit’ the display will have a red background, when the measured level is lower than the ‘High Limit’ but higher than the ‘Low Level’ then the screen background will be yellow. Finally, when the ‘Low Limit’ is achieved the screen background will change to green so that the user can easily see that that it is okay to start welding.

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