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NOx EC9841

NOx EC9841
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EC9841A OXIDES OF NITROGEN ANALYSER • Auto zero routine periodically checks and corrects for background illumination, virtually eliminating zero drift. The EC9841A Oxides of Nitrogen Analyser utilises microprocessor control and chemiluminescence to measure NO, NO2 and NOx in the ranges of 0-50 ppb and 0-20 ppm with a detection limit of 0.5 ppb. • The micro processor facilitates external remote control and provides up to 100 channels of instrument operating parameters. Improved sensitivity, noise, and zero drift are obtained through the use of superior optical technology and an electronics suite that provides better all round performance. • Stored data can be retrieved via RS232, USB interface or the optional Ethernet connection and uploaded to a TCP/IP network. • Inbuilt data logger utilises Flash ROM to store up to 132 days of 5 minute averaged data. • Ethernet option facilitates data download from an analyser connected to the internet via a standard web interface. This feature also supports remote STANDARDS access to instrument parameters and the status output screen. • Complies with U.S. EPA Automated Reference • Optional internal pump and optional internal Method RFNA-1292-090. 12VDC power supply enables the EC9841A to be • Complies with Australian standard: AS 3580.5.1. FEATURES • Large Graphic LCD provides instrument status outputs including gas concentration, real-time zero/span calibration curves and sample flow and pressure graphs. • Menu selectable data trending graphically displays up to 100 data points. operated from a battery or solar powered source for remote or mobile applications.

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SPECIFICATIONS Ranges: Auto-ranging for 0-50 ppb to 0-20 ppm. Data display: Large Graphic LCD display, with nit selection mg/ u m3, µg/m3, ppm, ppb, ppt. Display resolution: User selectable (0-5 decimal points displayed). Analogue outputs: Menu selectable current output 0-20mA, 2-20mA, 4-20mA 50 pin I/O PCA: Allows for jumper selectable voltage outputs of 100 mV, 1, 5, 10 V with menu selectable zero offset of 0, 5 or 10 %. Digital I/O DB50: Local user DB50 I/O interface with 32 digital open collector outputs and 3 digital inputs user controls. Analogue out: 0 - full scale from 0 - 50 ppb to...

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