
PT3/4 Threaded Industrial Dissolved Oxygen Sensor and Do Electrode. Fluorescence Quenching Technology: Fast response, low drift, no polarization, unaffected by flow rate or dirt. IP68 Protection Level: Corrosion-resistant 316 stainless steel shell suitable for harsh environments. RS485 Communication Interface: Standard Modbus-RTU protocol with strong anti-interference and isolation. Simple Air Calibration: Supports calibration in air with no need for zero point calibration. Customizable Cable Length: Standard 3m cable with customizable options available upon request. Comprehensive Data Software: Supports calibration, recording, analysis, and diagnostics functions. Fast Response Time: Response time is less than 45 seconds for efficient monitoring.