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Weld Gas Analyser (Oxygen Monitor) “WELD-TECH” Model GM1

Handheld Oxygen Monitor GM1


Purge Monitor GM1 is a small hand-held instrument which facilitate welding of stainless steel

by oxygen concentration monitoring down to 0.01% (100 ppm).


GM1 is breast pocket portable (with pump and tubing slung over the shoulder).



0.01 – 25.00% oxygen concentration


20.9% (oxygen concentration in air)

Temperature range:

0°C to 50°C


6,496” x 3,149” x 1,377”



Ø 0,787” x 1,181”

AAA batteries 1.5V, 2pcs.



Robust battery cover

Long battery life

Easy replacement of sensor

Min. one year life

Semi-automatic calibration

Handy instrument casing (for breast pocket)


This product was added to our catalog on Thursday 22 August, 2019.
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Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
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