Polarographic dissolved oxygen sensor DOG-209FA

Features DOG-209 FA type oxygen electrode improved from the previously dissolved oxygen electrode, change diaphragm into a grit mesh metal membrane, with high stability and stress resistant, can be used in a more harsh environment, maintenance volume is smaller, suitable for urban sewage treatment, industrial wastewater treatment, aquaculture and environmental monitoring and other fields of continuous measurement of dissolved oxygen. Technical Indexes Ultra resistant to pressure (0.6Mpa) wallop, imported (grit mesh metal membrane) Up thread: M32 * 2.0 Measuring range: 0-20mg / L Measuring principle: Current type sensor (polarographic electrode) Breathable membrane thickness: 100μm Electrode shell material: PVC or 316L stainless steel Temperature compensation resistance: Pt100, Pt1000, 22K, 2.252K, etc. Sensor life:> 2 years Cable length: 5m Detection limit: 0.01 mg / L (20 ℃) Measurement limit: 20 mg / L Response time: 2min (90%, 20 ℃) Polarization time: 60min Minimum flow rate: 2.5cm / s Drift: <2% / month Measurement error: <± 0.01 mg / L Output Current: 50-80nA/0.1 mg / L Note: Maximum current 3.5uA Polarization voltage: 0.7V Zero oxygen: 60 days Measured water temperature :0-60 ℃