Zirconia Type Nitrogen Oxide Analyzers (NOx-O2 Meters)

NOx-O2 analyzer Model TFN-21D201

Transmitter Model TFN-21

Transmitter Model TFN-21

Receiver Model DTN-201

Receiver Model DTN-201

  • Direct measurement of exhaust gas without pretreatment
  • Fast response, easy maintenance


  • Exhaust gas analysis for cogeneration systems
  • Research in NOx control, etc. for denitrification equipment
  • Combustion regulation for boilers, etc.
  • Exhaust gas analysis for various combustion equipment, etc.


Model TFN-21D201
Measurement coverage NOx 0 – 100ppm to 0 – 2,500ppm
O2 0 – 25%
Reproducibility ±1%FS (NOx/O2)
Linearity ±2%FS (NOx/O2)
Response time (T90) ≦15 sec (When calibration gas is changed over)
Recorder output 4 – 20mA
Power source 100VAC ±10%, 50/60Hz, 0.5kVA
Air supply 0.2 – 0.7MPa, Max. 20L/min at 0.1 – 0.2MPa
Transmitter JIS5K65A

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  • Zirconia Type Gas Oxygen Analyzers
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