Portable Dissolved Oxygen Meter Detector For Fish Shrimp Farming Water Quality Monitor Do Meter ATC Range (0.0-20.0)mg/L

Model: JPB-607A Measuring range: dissolved oxygen 0-20mg/l, temperature 0-40°C Basic error: dissolved oxygen ±0.3mg/l, temperature ±1°C Residual current: ≤0.15mg/ l Response time: ≤30s (90% response at 20°C) Temperature compensation range: 0-40°C Power supply: NO.7 alkaline battery *4 Size: 180 * 80 * 30mm Weight: 1kg