Product Introduction

GGA-70 is available to stable measurement of O2 concentration even at hig ambient temprature by using the zirconia sensor. Applied to SCR/SNCR/FGD/Stack application.


Product Application

  • Power   100 ∼ 240VAC, 50/60H
  • Power consumption 300W (Max)          
  • Gas Temp          ⟨ 550°C
  • Ambient Temp   -20°C ∼ 55°C
  • Gas pressure:    ±250 kPa
  • Analog Output   2 Channel 4 ∼ 20mA
  • Digital Output   4 Channel
  • Digital Input     2 Channel



  • In-situ type 
  • Zirconia Sensing
  • No need Sampling /Direct monitoring
  • Low maintenance
  • No interfere of dust and humadity
  • Practicable of Remote calibration

We are currently available for work. Please, contact us for a quote at info [at] http://www.armannvn [dot] com