Percent O2  |  0 to 25% Range

Model C5E

Handheld O2 Analyzer with Internal Pump

Internal Electrochemical Sensor

The Model C5E is a battery powered, handheld oxygen analyzer with internal pump that quickly provides an easy-to-read digital LED display of 0 to 25% oxygen with 0.01% oxygen maximum resolution. Rugged and compact, this handheld analyzer is suitable for a variety of applications including combustion tuning, high purity welding, lab scale processing, and oxygen monitoring on the production floor.


Limited availability, order now while stock lasts.

  • Sensor: Electrochemical
  • Operating Range: 0 to 25% oxygen by volume
  • Accuracy: ±2 of the measurement range (for 0 to 5% range); ±0.5% of the measurement range (for 5 to 25% range)
  • Response Time: T90 < 15 seconds
  • Display Resolution: 0 to 4.99% (2 decimal places); 5 to 25% (1 decimal place)
  • Operating Temperature: 0 to 40°C
  • Sampling: Extractive (internal sample pump with Stainless steel sample probe)
  • Power: 4 AA alkaline dry cells; “Low Battery” warning light
  • Dimensions (LxWxH): 6.20” L x 3.55” W x 2.5” L (158mm x 90mm x 64mm)
  • 0 to 25% measurement range
  • Simple calibration in ambient air
  • Quick response time with no warm-up required
  • Internal pump automatically draws a gas sample to the sensor
  • Integral moisture trap and line filter protect the sensor from contaminants