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                  APM-502-Nitrogen Oxides Analyzer
                  APM-502 氮氧化物分析儀

                  The APM-502 is a criteria pollution monitor based on the chemiluminescence

                  The APM-502 is a criteria pollution monitor based on the chemiluminescence, the standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide in ambient air (EN 14211).

                  型號:APM-502

                   

                  APM-502-Nitrogen Oxides Analyzer

                  應用

                  產品介紹技術參數

                  The APM-502 is a criteria pollution monitor based on the chemiluminescence, the standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide in ambient air (EN 14211).

                  The chemiluminescence method for gas analysis of oxides of nitrogen relies on the measurement of light produced by the gas-phase titration of nitric oxide and ozone.

                   

                  -Ozone generator with a penetration dryer, improve the stability of the system.

                  -The multi-stage gas filtration, to avoid the reaction pool pollution, and prolong the system maintenance cycle.

                  operational principle

                  Chemiluminescence method

                  Measurement Range

                  0-500ppb-20000ppb automatic range switching

                  Measurement unit

                  ppb、ppm or μg/m²、mg/m³

                  Lowest detection limit

                  0.4ppb

                  Noise

                  0.2ppb

                  Span drift

                  ±1ppb/24h

                  Zero drift

                  ±1%/24h F.S

                  Precision

                  ±1%/24h F.S

                  Response time

                  <100s

                  Sample flow-rate

                  700sccm±10%

                  Output interface

                  Analog signals:0-0.5V/2V/5V/10V(4-20)mA

                  Digit signals:RS232 or RS485

                  Power supply

                  AC220V±10%,50Hz

                   

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