The nitrogen oxides analyzer is developed for ambient air quality monitoringand continuous emissions monitoring systems(CEMS),specifically for measurements using the dilution method.Based on chemiluminescence technology and advanced microprocessor technology,it features an integrated converter furnace and ozone generation module,providing precise and reliable measurements of NO/NOz/NOx in the range of nmol/mol ~μmol/mol(ppb to ppm)
This product offers high accuracy, reliability, quick response, easy operation, and broad applicability. The analyzer supports both manual and automatic calibration, with customizable settings. lt also allows for remote control and data upload, Real-time measurements andinstrument status can be automatically transmitted and accessed, enabling user to monitor NOx instantly and accurately.
· Chemiluminescence measurement,meetingEPA standards.
· Measurement range:0–500 ppb to 0–20 ppm, adjustable by the user.
· Microprocessor-driven for multi-functional operation.
· Continuous self-check with alarm function.
· Light sourceintensity self-check.
· Bi-directional RS232 port for remote control.
· Digital output for operating parameters.
· Adaptive signal filtering for faster response.
· Temperature and pressure compensation.
· Color touchscreen display.
· Large memory for automatic historical data storage.
Parameters | Specification |
Range | Min: 0-500 nmol/mol (ppb) Max: 0-20 umol/mol (ppm) |
Units | μmol/mol (ppb),umol/mol (ppm),ug/m3,mg/m3 (Optional) |
Zero Noise | ≤ 1 μmol/mol (ppb) |
Range Noise | ≤ 5 μmol/mol (ppb) |
Detection Limit | ≤ 2 μmol/mol (ppb) |
Zero Drift | ±5 μmol/mol (ppb) / 24 hours |
20% Range Drift | ±5 μmol/mol (ppb) / 24 hours |
80% Range Drift | ±10 μmol/mol (ppb) / 24 hours |
Long-term Zero Drift | ±10 μmol/mol (ppb) / 7 days |
Long-term Range Drift | ±20 μmol/mol (ppb) / 7 days |
Indication Error | < 2 % FS |
20% Range Precision | ≤ 5 μmol/mol (ppb) |
20% Range Precision | ≤ 10 μmol/mol (ppb) |
Response Time | ≤ 300 s |
Molybdenum Furnace Conversion Efficiency | > 96 % |
Sample Flow Rate | 400-600 sccm |
OperatingTemperature | 5 °C-40 °C |
Operating Humidity | 0-95 % RH |
Dimensions | 432 mm x 630 mm x 178 mm |
Weight | < 18 kg |
Power Supply | AC 220±22 V , 50±1 Hz |