EC Sense

ES1-AsH3-1 Arsine Gas Sensor

Model: ES1-AsH3-1-01

Arsine Amperometric, 3-electrode

ES1 package, 0 – 1 ppm range, Arsine detection

ES1-AsH3-1 Arsine Gas Sensor

The EC Sense ES1-AsH3-1 is an electrochemical gas sensor for Arsine detection, with a 0 – 1 ppm range, 120 nA/ppm ± 40 nA/ppm sensitivity and T50 < 10 s, T90 < 30 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 > 2 years.

Key Features

  • Detects with high selectivity a wide variety of gases
  • Long lifetime > 2 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
  • No leakage
  • Small size
  • RoHS compliant

Typical Applications

Industrial SafetyLeakage DetectionSemiconductor IndustryElectronics Factory

Calibration & Cross-Sensitivity

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