Ambient CO Gas Analyzer (CAAQMS)

CO Analyzer

Vair-9003 CO Analyzer is the analyzer that measures the minimum amount of CO in air correctly through the optical curved mirror which has a long light path and durability, using the Non—dispersive Infrared Analysis Method (NDIR GFC). Vair-9003 is equipped with a specially designed GFC wheel with no leak for a long time and he stable infrared lamp (IR Source).

All gas analyzers of Vasthi  series were equipped with screen interface design using TFT—LCD & Touch screen so that user can operate the analyzer and maximize the visual image, and MCU applied to the analyzer is ARM 11 32bit processor and operates based on Linux Kernel 2.6 which maximizes the system stability due to mutiprocessing.

In addition, the analyzer is equipped with an automatic zero correction system (Auto Zero) for smooth measurement and various interfaces (Ethernet, RS232, R5485, USB, DIO, Analog out) so that users can use it more conveniently and usefully.

FEATURES :

  • Ranges 0-50 / 100 ppm, user selectable.
  • 7inch TFT LCD & touch screen interface.
  • Ethernet, RS-232, RS-485 & USB ports.
  • USB interface utilizes for System Program Update.
  • Temperature & pressure compensation
  • Internal zero(optional)
  • Stored data can be retrieved RS-232, USB Interface and TCP/IP network
  • In built Data Logger Utilizes NAND-Flash to Store up to 1year
Measuring items Carbon monoxide(CO) in ambient air
Measuring method Non-dispersive infrared analysis(GFC NDIR)
Ranges 0-50 / 0-100ppm (selectable)
Lower Detectable Limit Less than 0.05ppm
Repeatability within 0.5% of span gas concentration
Zero drift Less than 0.1 ppm
Span drift within 1%/full scale (1 day)
Response time(95%) Less than 60 seconds (T95)
Linearity within 1%/full scale
Precision 1% of reading or 0.1 ppm
Ambient temperature 5 - 40 C
Sample flow rate Stabilized flow control by 800cc/min Critical Orifice
Certified US EPA

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