Water Quality DO Dissolved Oxygen Sensor - AMT/-DO300

Product Technical Parameters (Typical Values) 1. Measurement Performance Measurement Principle: Fluorescence quenching method (optical) / Polarographic method (electrochemical) - optional Measurement Range: 0～20 mg/L (or 0～200% saturation) Resolution: 0.01 mg/L Accuracy: ±0.1 mg/L (when measured value <5 mg/L); ±0.2 mg/L (when measured value >5 mg/L) Response Time: T90 ≤ 30 seconds (optical type); T90 ≤ 60 seconds (polarographic type) 2. Environmental and Usage Conditions Operating Temperature: 0～50℃ (optical type); 0～40℃ (polarographic type) Storage Temperature: -20～70℃ Protection Rating: IP68 (can be submerged underwater for long periods) Maximum Pressure Resistance: 0.6 MPa (approximately 60 meters water depth)