Zetian - Model AM-5302 - Ammonia analyzer
From Ambient Air Quality Monitor System
Principle
During operation process, sample gas passes through external reformer first. The analyzer converts NH3,into NO under effect of catalyst. With the original NO in air, it will disply total concentration value of NO. In next cycle period, the analyzer measures NO concentration in air. The difference between the above two values is the concentration of NH3.
Features
measuring range:0-500ppb or 0-2000ppb(selectable)
O3 device can adjust O3 generating concentration as required
Respeciively disply concentration of NH3, HN,NO2 and NOx
With temperature and pressure compensation
Timed dark current compensation
Screen is with color disply and touch control
Continuous self-inspection with alarm function
Large-capacity memory; store historical data automatically
O3 generator with osmotic drying pipe
Bidirectional RS232 port for remote control
Technical Index
Item Specification
Measuring Principle Chemiluminiscence method and catalytic conversion
Range 0-500nmol/mol, 0-2000nmol/mol(ppb)
Zero noise ≤1ppb
Minimum detection limit ≤2ppb
Span noise ≤5ppb
Indicating error ±2%F.S.
Linearity ＜1%F.S.
Zero drift（24h） ≤1nmol/mol(ppb)
Span drift（7days） ≤5nmol/mol(ppb)
Response time 120s(T90)
Flow 400-600sccm
Working temperature 20-40℃
Output RS232，RS485，digital output，4-20mA analog output
Analyzer dimension 425mm*219mm*600mm
Convertor dimension 425mm*219mm*500mm