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Ambiental NOx Gas Analyzer (CAAQMS)

Ambiental NOx Gas Analyzer (CAAQMS)

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El Vair-9002 de Vasthi Instruments es un instrumento de alta precisión diseñado para medir simultáneamente las concentraciones de NO y NO₂ en el aire ambiente. Utilizando el método de quimioluminiscencia, este analizador ofrece una detección de trazas mínimas con una estabilidad excepcional. Equipado con un procesador ARM Cortex M4 de 32 bits y arquitectura Linux, es la solución líder para estaciones de monitoreo que requieren datos confiables en tiempo real bajo estándares internacionales.
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NOx Analyzer

The Vair-9002 NOx analyzer is the analyzer that measures the minimum amount of NOx (NO, NO2) in the air simultaneously using chemiluminescence.

The O3 generator used for the Vair-9002 is designed for great durability without failures for a long time. The NO₂-NO converter for measuring NO₂ is equipped with a high-efficiency cartridge material that improves the conversion rate to nearly 100%. All temperature adjustment systems, such as the response cell, converter, PMT, temperature, etc., can be entered into the software, which is user-friendly.

All gas analyzers in the Vair series are equipped with a screen interface design that uses TFT-LCD and a touchscreen so that the user can operate the analyzer and maximize the visual image, and the MCU applied to the analyzer is a 32-bit ARM Cortex M4 processor that operates based on Linux Kernel 2.6, maximizing system stability due to multiprocessing.

In addition, the analyzer is equipped with an automatic zero correction system (Auto Zero) for smooth measurement and various interfaces (Ethernet, RS232, RS485, USB, analog output) so that users can use it more comfortably and conveniently.

FEATURES:

  • Ranges 0-0.1 / 0.5 / 1 ppm, user-selectable.
  • 7-inch TFT LCD touchscreen interface.
  • Ethernet, RS-232, RS-485, and USB ports.
  • The USB interface is used for downloading stored data.
  • Temperature and pressure compensation and internal zero (optional)
  • The built-in data logger uses NAND-Flash to store up to 1 year (average data of 1 minute)
Measurement elementsNitrogen oxides (NO/NO2/NOx) in ambient air
Model numberVair - 9002
Measurement methodChemiluminescence method (CLD)
Ranges0-0.1/0-0.5/0-1 ppm (selectable)
Detectable lower limitLess than 0.5 ppb
Repeatabilitywith ±1% of reference gas concentration
Zero driftLess than 1 ppb
Span driftwith ±1% of full scale (1 day)
Response time (95%)Less than 60 seconds (T95)
Linearitywith ±1% of full scale
Accuracywith 0.2% of reading or 0.5 ppb
Operating temperature5 - 40 °C
Analog output0-1 V / 0-5 V or 4-20 mA (optional)
Sample flowFlow control stabilized at 800 cc/min ± 10% of critical orifice
Particle filter47 mm Teflon filter
Display7-inch graphic LCD
PortsEthernet, USB 2.0, RS-232, RS-485
Internal data memoryMeasurement data (1 min/1 year), operation history, messages, alerts
Power requirement110-140 V, 50/60 Hz

What is the operating principle of the ambient NOx gas analyzer?

The ambient NOx gas analyzer operates using chemiluminescence technology for accurate measurement of nitrogen oxides in the ambient air.

What parameters does the NOx gas analyzer measure?

This analyzer measures the concentrations of NO, NO₂, and total NOx for continuous monitoring of ambient air quality.

Is the ambient NOx gas analyzer suitable for continuous monitoring?

Yes. It is designed for real-time continuous monitoring of NOx in ambient and industrial air quality applications.

Does the ambient NOx gas analyzer comply with CPCB standards?

Yes. The analyzer is designed to meet CPCB ambient air quality monitoring guidelines and regulations.

Can the ambient NOx gas analyzer be installed outdoors?

Yes. The system features a weatherproof cabinet, making it suitable for outdoor ambient air monitoring installations.