Portable Large Display Air Quality & Oxygen Purity Tester

Ultra-Precise Digital Oxygen Analyzer
– Features advanced sensor technology for accurate O₂ concentration readings (0-100% range) with ±1% margin of error. Ideal for medical labs, industrial safety checks, and high-altitude travel.
Large HD LCD Screen
– Crisp 3-inch display with backlight ensures clear visibility in low-light environments. Real-time data updates every 0.5 seconds for dynamic monitoring.
Portable & Durable Design
– Lightweight ABS housing with shock-resistant edges. Fits in pockets (120g) and includes a carabiner clip for on-the-go use in warehouses, gyms, or mountaineering.
Multi-Scene Application
– Calibrated for breweries (fermentation control), HVAC maintenance, and home air purifier efficiency tests. Auto power-off after 2 minutes of inactivity to conserve battery.
One-Button Operation
– Simplified interface with instant calibration. Powered by 2x AAA batteries (included). Lab-grade accuracy meets ISO standards.
Wholesale Advantage
– Bulk pricing available for clinics or industrial suppliers. Globally shipped with compliance certifications (CE/FCC).