Precision DO Testing
NOBO NPT-DO601 delivers lab-grade accuracy (±2% FS) with advanced polarographic sensor technology. Ideal for aquariums, hydroponics, and wastewater monitoring.
Pen-Type Portability
Engineered with an IP67 waterproof body (ABS+TPU) and ergonomic one-hand design. Perfect for field research or on-site aquaculture checks.
Smart Auto-Calibration
Features automatic temperature compensation (0-50°C) and salinity adjustment. Includes replaceable DO membrane caps for extended sensor life.
Affordable Professional Tool
Retails at wholesale price. Bulk orders available for commercial hatcheries, environmental agencies, or educational labs.
Immediate Readiness
Pre-installed with 3.5m oxygen-sensitive electrolyte. Ready to use out of the box—no lengthy activation required.