High-Precision Oxygen O2 Content Gas Tester for Confined Space Safety
Designed for professionals, this gas tester features a crisp screen display for real-time O2 level monitoring in hazardous environments. The rugged ABS casing ensures durability, while advanced electrochemical sensors deliver ±1% accuracy for reliable readings. Ideal for industrial inspections, mining operations, or wastewater treatment, its compact design fits effortlessly in toolkits. The auto-calibration function minimizes maintenance, and the 1000-hour battery life supports extended fieldwork. Buy in bulk for unbeatable wholesale pricing—equip your team with safety-grade precision without compromising budget. Global shipping available.