BL-YQ-AO-07 Oxygen Gas Sensor
BL-YQ-AO-07
BL-QT-AO-07 provides patients with accurate and reliable oxygen concentration monitoring in medical devices. It is designed with a linear output from 0% to 100%, requires no external power supply, and is equipped with a temperature compensation function to eliminate the impact of temperature changes on sensor performance. BL-QT-AO-09 has excellent signal stability, ensuring consistent measurement results under different conditions. Accurate and reliable detection data are the basic requirements of medical sensors, and fast response time is an essential feature in clinical applications. BL-QT-AO-09 meets this feature requirement. In order to adapt to the complex medical environment It also has strong anti-interference ability, which greatly improves its working life.
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一、Introduction
BL-QT-AO-07 is a partial pressure electrochemical oxygen sensor, often used to measure oxygen concentration. Its working principle usually consists of two electrodes and an electrolyte. One electrode is the working electrode and the other is the comparison electrode. The electrolyte between the two allows ionic conduction. When oxygen comes into contact with the working electrode, an oxygen reduction reaction occurs on the electrode surface, producing an electric current. The magnitude of this current is proportional to the oxygen concentration, and the role of the contrast electrode is to provide a stable linear output potential from 0% to 100% to ensure measurement accuracy.
In addition to being reliable and stable, BL-QT-AO-07 is also equipped with a temperature compensation function to eliminate the impact of temperature changes. It also has anti-interference capabilities, which greatly extends the working life and reduces maintenance costs.
The use of the BL-QT-AO-07 oxygen gas sensor is limited to system monitoring.
- Model: BL-YQ-AO-07
- Type: Electrochemical Oxygen sensor
- Place of Origin: China, Guangdong China
- Usage: medical equipment
- Output: 9 mV to 13 mV (21%O²)
- Temperature compensation: <2% O² equivalent (0°C-40°C)
- Response time: <15 seconds
- Operating temperature range: 0°C+50°C
- Working pressure range: 0.5 Bar-2.0 Bar
- Measuring range: 0-100 Vol.% O²
二、Technical Specifications
MEASUREMENT | |
Operating Principle | Partial pressure electrochemical |
Output | 9 mV to 13 mV in 210 mBar O2 |
Measurement Range | 0 - 100 Vol.% O2 |
Response Time (T 90 ) | <15 s |
Baseline Offset | ＜200μV |
Accuracy | meets ISO 80601-2-55 requirements |
Cross interference | meets ISO 80601-2-55 requirements |
ELECTRICAL | |
Temperature Compensation | ＜2% O2 equivalent（0℃-40℃） |
External Load Resistor | ≥ 10 kΩ |
Connector | RJ9-4P4C |
MECHANICAL | |
Housing Material | White ABS |
Weight | 42 g (nominal) |
Orientation | Any |
Influence of Mechanical Shock | < 1 % relative after a fall from 1 m |
ENVIRONMENTAL | |
Typical Applications | Critical care anesthesia |
Operating Temperature Range | 0℃ ~ +50℃ |
Operating Pressure Range | 0.5 Bar - 2.0 Bar |
Operating Humidity Range | 0% to 99% RH noncondensing |
LIFETIME | |
Long-Term Ouput Drift in 100% O2 | < 5% signal loss/year |
Recommended Storage Temperature | 10℃ - 30℃ |
Expected Operating Life： 20℃ 40℃ | 1.5 x 106%O2 hours 0.8 x 106%O2 hours |
Standard Warranty | 13 months from date of despatch |
Note:
① Specifications are based on measurements made with cylinder gases using a flow rate of 100 mls/min and are valid at 20°C, 50% RH and 1013 mBar, using recommended circuitry.
② Performance characteristics outline the performance of sensors supplied within the first 3 months.
③ Output signal can drift below the lower limit over time.
④ Use of a regression coefficient shows a best fit straight line better than 0.9995 when measured through the four data points from testing with 100%N2、21%O2 、60%O2 and 100%O2.
⑤ Connection should be made via recommended mating parts only. Soldering to the sensor will damage it and invalidate the warranty.
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