EC Sense

ES1-O2-25% Oxygen Gas Sensor

Model: ES1-O2-25%-01

Oxygen Amperometric, 3-electrode

ES1 package, 0 – 25% vol. range, Oxygen detection

ES1-O2-25% Oxygen Gas Sensor

The EC Sense ES1-O2-25% is an electrochemical gas sensor for Oxygen detection, with a 0 – 25% vol. range, 0.23 nA/ppm ± 0.04 nA/ppm sensitivity and T50 < 5 s, T90 < 10 s response. PPO housing at under 0.7 g in an ultra-compact SMD package — ideal for portable detectors and space-constrained modules Well suited to industrial safety, leakage detection and emission monitoring, with a designed lifetime of > 5 years.

Key Features

  • Detects O2 from 0% to 30% vol.
  • Long lifetime > 5 years
  • No-poisoning
  • Typical warm-up time in seconds
  • Fast response time
  • nA power consumption
  • Linear output
  • No zero line drift
  • Better signal to noise ratio
  • Wide temperature range of -40 °C to +55 °C
  • Excellent sensitivity at low temperatures
  • Excellent resistance to high humidity
  • No leakage
  • Small size
  • RoHS compliant

Typical Applications

Industrial SafetyLeakage DetectionGas Manufacturing Process MonitoringEmission MonitoringSewage/Water Treatment PlantBiogasGarbage DisposalPower TransformerFood IndustryFire SafetyMedical & Health Care

Calibration & Cross-Sensitivity

Calibrated with Oxygen standard gas. Cross-sensitivity to other gases may exist — see the cross-sensitivity table in the datasheet.