Overview
NA-G212 sensor is a galvanic battery type dissolved oxygen water quality detection sensor. The oxygen molecules in the solution to be tested penetrate the selective membrane of the sensor, and corresponding reduction or oxidation reactions occur on the cathode and anode inside the sensor, and a current signal is generated at the same time. The magnitude of the current is proportional to the concentration of dissolved oxygen, Determine the concentration of dissolved oxygen by detecting the current.
Key Features
Low power consumption, high precision, linear output, no need to replace the breathable membrane, no need to replace the electrolyte.
Applications
It is widely used in the detection of dissolved oxygen water quality in laboratory research, aquaculture, environmental protection and other fields.
Technical Specifications
| Measure range | 0~20 mg/L |
| Temperature range | 0~40°C |
| Minimum graduation value | 0.01 mg/L |
| Response time (T90) | <20 s |
| Temperature compensation | without |
| Zero point output (oxygen-free water) | <0.06 μA (2% Na2SO3, 22°C) |
| Output | 0.93 μA -1.33 μA |
| Measurement error | ≤ ±0.1 mg/L |
| Zero error | ≤0.1 mg/L |
| Repeatability | ≤ ±0.10 mg/L |
| stability | ±0.03 mg/L |
| Sensitivity | 0.6-1 mV/mg/L(O2) |
| Output impedance | About 15 KΩ |
| Interface | 2 connection wires |
