E Instruments E4400E Instruments has designed its portable E4400 combustion flue gas analyzer for emissions monitoring, and maintenance and tuning of combustion processes. Features include:

  • The flexibility to choose up to 4 field-replaceable and pre-calibrated gas sensors — O2, CO, NO, NO2 or O2, CO, NO and SO2.
  • True NOx capabilities that make it ideal for boiler, engine, furnace and other combustion applications.
  • Temperature and pressure measurements.
  • A dilution pump for CO auto-range measurements up to 50,000 PPM.
  • A built-in non-thermal printer.
  • Unbreakable metal hose connectors.
  • A rechargeable lithium-ion battery pack.
  • Internal data memory for up to 900 tests.
  • PC software with a USB communications cable.
  • 16 selectable fuel/oil types.