I、Nitrogen/Oxygen/Argon (N2/O2/Ar) Gas Analyzer Functional Specifications  

• With online sampling and automatic purge function, the gas sample is 4~32 streams.
• Analysable gas types：Argon (Ar), Oxygen (O2), Nitrogen (N2).
• The composition of the analyte and the minimum detectable concentration (MDL)：H2, (Ar), (O2), (N2), CH4, CO, CO2. MDL is 10~30ppb.
• The relative standard deviation (RSD) of the five-repeated analysis of the analyte standard composition (5ppm)：<3%.
  
  

  II、Nitrogen/Oxygen/Argon (N2/O2/Ar) Gas Analyzer Hardware Specifications  

    A. Chromatography System

• Electronic Flow Control (EPC)：Accurate to 0.001psi, it is the standard specification for carrier gas, detector flow, auxiliary gas, backflush gas and core cut gas (heart cut). It can control the flow of 16 channels. flow or pressure.
• Analytical component retention time error：<0.0008 minutes.
• Oven temperature operating range and accuracy：room temperature +4 ℃ ~ 450 ℃, 0.01 ℃ control accuracy.
• 3 detectors can be configured.

    B. Detector

     1. Pulse Discharge Detector(PDHID)：

• Universal non-destructive helium photoionization detection mode.
• Helium photon energy：13.5~17.7eV.
• Minimum detection volume：low ppb and can analyze non-corrosive or corrosive gases.
• Linear range：greater than 10⁵.

     2. Flame Ionization Detector(FID)：

• Electronic Flow Control (EPC)：Controls the flow of hydrogen, air, make-up gas.
• Minimum detection：less than or equal to 1.8pg (10^-12g) carbon/sec, linear dynamic range：≧10⁷.
• Total Hydrocarbons (THC)：Minimum detection < 0.01 ppm.

    C. Control System

• Industrial grade computer.
• Signal output：4~20mA or 0~1V.
• Various communication protocols (protocols) of DCS can be provided.