
Advanced Portable Water Quality Tester for Aquaculture pH Monitoring. Multi-Parameter Measurement: Measures pH, ammonia nitrogen, nitrite nitrogen, sulfide, and dissolved oxygen simultaneously. Customizable Wavelengths: Any wavelength within the 340nm to 700nm range can be customized for specific needs. Large Data Storage: Stores up to 200 factory curves and 100,000 data records with user-defined curve support. Automatic Calibration: Features automatic wavelength selection eliminating the need for manual calibration. Robust Data Protection: Includes one-key recovery function and data protection against power failure. Portable Design: Compact and lightweight at 4.5kg, ideal for convenient on-site detection. High Optical Stability: Utilizes cold light source with narrow-band interference optical system. Flexible Customization: Offers full, minor, and flexible customization options from samples or designs.