Japan FIGARO Anti-CO2 Interference Oxygen Sensor (O2 Sensor) SK-25
Japan FIGARO Anti-CO2 Interference Oxygen Sensor (O2 Sensor)

Japan FIGARO Anti-CO2 Interference Oxygen Sensor (O2 Sensor) - SK-25

* Almost unaffected by CO2, CO, H2S, NO, H2
* Has temperature compensation circuit
* Good linear output
* Not affected by orientation
* Stable signal output
* Sensor operates without external power
* No preheating required

Product Model: SK-25

Product Introduction

1. Description of Anti-CO2 Interference Oxygen Sensor SK-25

The Maxell oxygen sensor SK-25 is a unique galvanic cell type oxygen sensor. Its notable feature is that it is not easily affected by CO2 interference, has very good linear output for 30% oxygen concentration signals, and has excellent chemical stability. These characteristics enable the SK-25 sensor to meet various application needs related to oxygen monitoring, such as combustion gas monitoring, biochemical applications, household gas appliance applications, etc.


2. Features of Anti-CO2 Interference Oxygen Sensor SK-25:

* Almost unaffected by CO2, CO, H2S, NO, H2

* Has temperature compensation circuit

* Good linear output

* Not restricted by location

* Stable signal output

* Sensor operates without external power

* No preheating required


3. Applications of Anti-CO2 Interference Oxygen Sensor SK-25:

* Safety field - Oxygen monitor

* Environmental control - Combustion gas monitoring

* Food industry - Refrigeration, greenhouses

* Education - Scientific experiment instruments


4. Parameters of Anti-CO2 Interference Oxygen Sensor SK-25:

Model SK-25
Detection Range 0~30% O2
Accuracy ±1% Full Scale
Operating Atmospheric Pressure 1013hPa ± 20%
Operating Temperature -10˚C~50˚C
Operating Relative Humidity 0~99%RH (No condensation)
Response Time (90%) ≤ 15 seconds
Initial Output Voltage 5.5~8.5mV
Factory Test Atmospheric Pressure 1013 hPa
Factory Test Temperature 25˚C±5˚C
Expected Life in Normal Air at 20˚C Approximately 3 years

Note 1: If calibrated with 0% and 30% oxygen concentrations, the accuracy of SK-25 full scale is ±1% when the measurement range is 0-30% oxygen content.
Note 2: To meet the response speed specified in Table 1, the sensor should be used under conditions with air exchange rate greater than 200-300 ml/min.
Note 3: The expected life in normal air at 20˚C (1013 hPa / 20.7% O2) is defined as the time when the sensor output value drops to 60% of its original value.


5. Structure and Dimensions of Anti-CO2 Interference Oxygen Sensor SK-25:

Anti-CO2 Interference Oxygen Sensor SK-25F Structure and Dimensions