DS4-O3-100 Intelligent Electrochemical Ozone Sensor
1. Product Overview:
The DS4-O3 is a high-performance gas sensor specifically designed to detect ozone (O₃) concentrations. Utilizing advanced electrochemical sensing technology, it delivers high sensitivity, rapid response, and excellent selectivity, making it ideal for industrial safety, environmental monitoring, and medical equipment applications.
2. Key Features:
- Target Gas: Ozone (O₃), optimized for precise detection in environmental or industrial processes.
- Detection Principle: Electrochemical sensing. Ozone undergoes redox reactions on the electrode surface, generating a current signal proportional to its concentration—combining high accuracy with low power consumption.
- Measurement Range: 0–1 ppm (standard); customizable up to 0–5 ppm or higher (specify model).
- Sensitivity: Detects ozone concentrations as low as 0.01 ppm (exact value subject to testing).
- Response Time (T90): ≤ 30 seconds (time from gas exposure to stable output).
- Recovery Time: ≤ 60 seconds (time to return to baseline after gas removal).
3. Working Principle:
The DS4-O3 employs a three-electrode electrochemical cell, comprising:
- Working Electrode (WE): Ozone diffuses through a permeable membrane and undergoes oxidation, releasing electrons to generate a current.
- Counter Electrode (CE): Completes the redox reaction to maintain circuit balance.
- Reference Electrode (RE): Provides a stable potential reference.
The current magnitude is directly proportional to the ozone concentration, enabling precise quantification.
4. Typical Applications:
- Industrial Safety:
- Leak detection in ozone generators/disinfection systems (e.g., water treatment, food processing).
- Safety monitoring in semiconductor manufacturing and laboratories.
- Environmental Monitoring:
- Outdoor air quality stations for ozone pollution tracking (complies with environmental standards).
- Indoor ozone emission monitoring in air purifiers (e.g., negative ionizers, UV photolysis devices).
- Medical & Scientific Research:
- Calibration of medical ozone therapy devices.
- Laboratory experiments involving ozone generation/decomposition.
5. Usage Guidelines:
- Calibration:
- Required every 6 months (or per usage frequency); use certified ozone gas (e.g., 0.1 ppm or 0.5 ppm) for standardization.
- Calibrate in stable temperature/humidity conditions to avoid environmental interference.
- Cross-Sensitivity:
- May respond slightly to other oxidizing gases (e.g., Cl₂, NO₂); implement algorithms or multi-sensor fusion to mitigate interference.
- Environmental Adaptation:
- Avoid high temperatures, humidity, or corrosive environments (e.g., acid/base fumes); prolonged exposure may reduce lifespan or accuracy.
- In dusty environments, install a dust filter to prevent membrane clogging.
- Storage:
- Unused sensors should be stored in a dry, cool place (0–25°C, <60% RH) to prevent "poisoning" from prolonged ozone exposure.
| Operating Humidity | 10% to 90% RH |
| Output Signal | Analog voltage (0.1–3V) |
| Power Supply | 3.3V DC or 5V DC |
| Lifespan | 2–3 years |
