O2-W2

O2-W2

Manufacturer:: Alphasense

Alphasense O2-W2 Galvanic Electrochemical Oxygen Sensor

Specifications

Product Introduction

The O2-W2 is a lead-free oxygen sensor designed for measuring oxygen concentration in a variety of environments. It provides a reliable and accurate measurement of oxygen levels, utilizing a compact and robust design suitable for integration into various instruments.

Features

  • Compact and lightweight design
  • Long operating life
  • Low zero current
  • Excellent linearity
  • Stable output over temperature changes
  • Low sensitivity to humidity, CO, and pressure variations

Applications

  • Oxygen monitoring in safety systems
  • Medical respiratory equipment
  • Industrial gas analysis
  • Environmental monitoring
  • Automotive emission testing

Specifications Table

Output 80 to 120 µA @ 20.9% O2
Response time t90 < 15 s (from 20.9% to 0% O2)
Zero current < 2.5 µA in N2
Linearity 0.6 % O2 deviation @ 10% O2
Output drift < 1 % change in output @ 3 months
Operating life > 24 months until 85% original output
Humidity sensitivity < 0.7 % O2 change: 0% to 95% rh @ 40°C
CO sensitivity 0.1 % (change O2 reading)/% CO @ 5% CO
Pressure sensitivity < 0.1 (% change of output)/(% change of pressure) @ 20kPa
Temperature range -30 to 55 °C
Pressure range 80 to 120 kPa
Humidity range 5 to 95 % rh non-condensing
Storage period 6 months @ 3 to 20°C
Load resistor 47 to 100 Ω
Diameter 20.0 mm
Height 17.4 mm
Weight < 16 g

To learn more, please download the PDF.

Datasheet: