EC Sense

ES1-HCHO-5 Formaldehyde Gas Sensor

Model: ES1-HCHO-5-01

Formaldehyde Amperometric, 3-electrode

ES1 package, 0 – 5 ppm range, Formaldehyde detection

ES1-HCHO-5 Formaldehyde Gas Sensor

The EC Sense ES1-HCHO-5 is an electrochemical gas sensor for Formaldehyde detection, with a 0 – 5 ppm range, 150 nA/ppm ± 100 nA/ppm sensitivity and T50 < 20 s, T90 < 120 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 > 3 years.

Key Features

  • Detects with high selectivity a wide variety of gases
  • Long lifetime > 3 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 -20 °C to +50 °C
  • Excellent sensitivity at low temperatures
  • No leakage
  • Small size
  • RoHS compliant

Typical Applications

Industrial SafetyLeakage DetectionEmission MonitoringOutdoor Air QualityIndoor Air Quality

Calibration & Cross-Sensitivity

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