Product Description:
SRX-MA333 Electrochemical Micro-Oxygen Sensor Is Used Industries Medical Fields Semiconductors And Other Areas
Features:
AST oxygen sensors SRX-MA333 and SRZ-MA333 produced by the United States are micro-oxygen sensors that are manufactured based on the dimensions of the oxygen sensors GPR-12-333 and XLT-12-333 produced by the American AII company. They can measure the oxygen concentration ranging from 0 to 10,000 PPM.
Core parameters
Measurement range: 0.1 - 10,000 ppm (some models extend to 0 - 100 ppm)
Accuracy: ±1% (signal output) or ±0.5 ppm (for some models)
Output type: 4-20 mA current signal
Response time: T90 ≤ 7 seconds
Operating temperature: 0 - 45 °C
Power supply voltage: 220V
Oxygen sensor SRX-MA333, oxygen battery SRX-MA33
Oxygen sensor SRZ-MA333, oxygen battery SRZ-MA33
The SRX-MA333 oxygen sensor operates based on the electrochemical principle of the primary battery. Its core is a micro fuel cell system composed of a special cathode, anode, and proprietary electrolyte. It is comparable to the micro oxygen sensor of the American AII company. When oxygen molecules in the measured gas pass through the diffusion barrier and reach the interior of the sensor, a reduction reaction occurs at the cathode (usually made of a noble metal catalytic material): O₂ + 2H₂O + 4e⁻ → 4OH⁻. Simultaneously, an oxidation reaction occurs at the anode (lead or other active metals): 2Pb + 4OH⁻ → 2PbO + 2H₂O + 4e⁻. This spontaneous electrochemical reaction process generates an electric current signal proportional to the oxygen concentration. By measuring this current, the oxygen content can be accurately calculated.
Oxygen sensor SRX-MT22, oxygen battery SRX-MT2
Oxygen sensor SRX-MT22-L2, oxygen battery SRX-MT22-L2
Oxygen sensor SRX-CT21, oxygen battery SRX-CT21
Oxygen sensor SRX-CT23, oxygen battery SRX-CT23
American AST Micro Oxygen Sensor SRX-MA333, Micro Oxygen Sensor SRZ-MA33
Specifications:
| Measurement range | 0.1 - 10,000 ppm |
| Some models extend | 0 - 100 ppm |
| Accuracy | ±1% |
| Stability (/ month) | < 2% |
| Output linearity | 0.5 ppm |
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