Features :
DOG-209FA type oxygen sensor 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, maintain 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 Parameters :
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: 50μm
Electrode shell material: U 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 °C)
Measurement limit: 40 mg / L
Response time: 2min (90%, 20 °C)
Polarization time: 60min
Minimum flow rate: 2.5cm / s
Drift: <2% / month
Measurement error: <± 0.01 mg / L
Output Current: 20-25nA/0.1 mg / L Note: Maximum current 3.5uA
Polarization voltage: 0.7V
Zero oxygen: <0.01 mg / L
Calibration interval:> 60 days
Measured water temperature :0-60 °C
