DDS S+DOX S+EOX S+VOX Gas Sensors

DDS S+DOX S+EOX S+VOX Gas Sensors
Brand: DD-Scientific
Models: S+DOX  S+EOX  S+VOX

S+DOX Specifications

Detected Gas: O₂ oxygen
Principle: Fuel cell (Galvanic / Fuel Cell), no power required
Measurement Range: 0 ~ 100% O₂
Output Signal: 9 ~ 14 mV in air (20.9% O₂)
T90 Response Time: <10s
Zero Drift: <0.2 μV, almost no zero drift
Linearity: Full-scale linear
Recommended Load Resistance: ≥10 kΩ (high resistance load, small resistance not allowed)
Operating Temperature: -20℃ ~ 50℃
Pressure Range: 500 ~ 2000 mbar
Humidity: 0~99%RH, no condensation
Long-term Drift: <5% / year

S+EOX  Specifications

Principle: Galvanic fuel cell (self-generating, no power required / 0V bias)
Range: 0 ~ 100% O₂ (full-scale partial pressure measurement)
Standard Air Output: 9 ~ 14 mV (20.9% O₂, STP)
T90 Response Time: <10 s
Zero: <20 μV
Linearity: Full-scale linear
Recommended Load Resistance: ≥10 kΩ (high resistance load, important!)
Built-in Feature: Onboard temperature compensation (5~40℃)
Operating Temperature: -20 ~ 50 ℃
Pressure Range: 500 ~ 2000 mbar
Humidity: 0~99% RH, no condensation
Long-term Drift: <5% / year

S+VOX Specifications

Detected Gas: O₂ oxygen (partial pressure measurement)
Range: 0 ~ 100% O₂
Standard Air Output: 8 ~ 13 mV (20.9% O₂, STP)
T90 Response Time: <5 seconds (fastest response in the DDS VOX series)
Zero Drift: <100 μV
Linearity: Full-scale linear
Recommended Load Resistance: ≥10 kΩ (high resistance load, low resistance not allowed)
Built-in Feature: Onboard temperature compensation (0~40℃, compensation error <2% O₂)
Operating Temperature: -20 ~ 50 ℃
Pressure Range: 500 ~ 2000 mbar
Humidity: 0~99%RH, strictly no condensation
Long-term Drift: <5% / year