oxygen meter – blue color phone cover, dustproof and drop-resistant. precise scale recognition, convenient operation

【Industrial Oxygen Meter – Blue Protective Cover】Designed for professional welding, featuring a high-precision pure copper movement, pressure-resistant and explosion-proof, ensuring safety and reliability. With a dual-meter design, accurate readings and smooth adjustment. The colored protective cover protects against drops and dust, extending its lifespan. Solves the issues of air leakage and inaccurate readings, making welding more efficient and secure. The best choice for quality—upgrade your welding and cutting equipment now!