Null-Luft-Generator RACK version

The AirGen series RACK ZA FID is able to remove the total hydrocarbons to less than 0.05 ppm from the external compressed Air. Very compact, the RACK ZA FID Air can purify up to 50 L/min of compressed Air and can bear a pressure up to 6.5 bar (94 PSI). The filtration of the hydrocarbons is performed by using a catalytic oven filled with palladium. The reduction of hydrocarbons, including methane, and carbon monoxide decrease the background noise level and gives much better baseline stability, considerably increasing detector sensitivity and ensuring precise analytical results. High efficiency coalescing pre-filtration and post filtration of particulate size greater than 0.01 microns are used to prevent any kind of particles from entering the analytical device. The RACK ZA FID has a very simple and efficient interface. It can also be managed by the HydroGen series and is ideal to supply Hydrocarbon free Air to FID detectors.

Nullluftgenerator ZA Rack FID RACK VERSION


  • Easy use
  • Quick installation
  • High flow rate up to 50 L/min
  • Pressure up to 6.5 bar
  • RS 485 as standard
  • Purity: < 0.05 ppm THC
  • No maintenance
  • Reduced foot print (19 inch rack 2U or 4U)


  • GC-FID
  • GC-NPD
  • GC-FPD
  • THA

Technische Daten

Models: ZA RACK FID 1.5 3 6 15 30.0 50.0
Zero Air outlet
Flow rate (Max) 1.5 l/min 3.0 l/min 6.0 l/m 15.0 l/min 30.0 l/min 50.0 l/min
Outlet pressure (min) Inlet pressure – 0.5 bars (8 psi) @ maximum flow
Outlet pressure (Max) 6.5 bars (94 psi)
Total hydrocarbon content < 0.05ppm
Air inlet
Max inlet hydrocarbon content 100ppm
Min supply pressure 3 bars (43psi)
Max supply pressure 10 bars (145 psi)
Dew point < -20°C
Temperature (min; Max) 1°C (34°F); 35°C (95°F)
RS485 Standard
General data
Supply voltage 100-240Vac 50/60Hz
Connection type IEC320-C13
Installation power (Max) 240W (280VA)
Fuse rating (5x20mm) 4A
Dimensions Standard 2U rack (48 cm deep) Standard 4U rack (40cm deep / 65cm deep for 50.0)
Net weight 13 kg 18 kg 20kg
Outlet port 1/8″ female BSPP
Inlet port 1/8″ female BSPP
Water purge Threaded ISO M5 female
Operating conditions
Temperature 5-35°C (41-95°F)
Humidity (max, non condensing) 80% at 25°C (77°F)
Noise <25dB(A)
IP rating IP20


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