PX-375
Continuous Particulate Monitor with X-ray Fluorescence
The PX‑375 delivers continuous, automated online analysis of both particulate mass (e.g., PM2.5, PM10, TSP) and elemental composition by combining beta-ray attenuation with X-ray fluorescence. Equipped with a built-in CMOS camera for filter imaging, this compact unit is ideal for rapid, accurate air pollution monitoring.
Why Choose PX-375
Dual Analysis in One Unit – Measures both particle mass and elements simultaneously.
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Proven, High-Sensitivity Tech – Employs trusted beta-ray and XRF methods with specialized PTFE filter tape.
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Compact & Field-Ready – Small enough for deployment in both fixed and mobile air quality monitoring stations.
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Smart Visual Monitoring – CMOS camera lets users observe particle capture and sample status at a glance.
Key Advantages of PX-375
Mass + Element Analysis
Provides real-time insights into particle mass and chemical makeup simultaneously.
High Sensitivity & Precision
Uses established technologies and specialized filters for accurate detection in ambient air.
Versatile Deployment Options
Compact design is ideal for both stationary stations and mobile air quality units.
Visual Sample Confirmation
Monitors actual particle collection on the filter in real time for enhanced quality control.
Technical Specifications of PX-375
| Product name | Continuous Particulate Monitor with X-ray Fluorescence |
|---|---|
| Model | PX-375 |
| Measured object | Particulate matter (PM10, PM2.5, TSP) |
| Measurement content | Particulate mass concentration and element concentration |
Common
| Flow rate | 16.7 L/min |
|---|---|
| Sampling pump | Linear drive system, externally installed |
| Filter tape | None-woven PTFE fabric filter |
| Spot tape interval | 20 / 25 / 50 / 100mm selectable |
| Filter tape replacement interval | Approx. 5 months (In case of 20 mm spot interval, 1 hour sampling time) |
| Ambient operation temperature | 10˚C~30˚C |
| Relative humidity | 0~80% RH noncondensing |
| Altitude | 1000m or less |
| Power supply | AC100V~240V ±10%, 50/60Hz±1% |
| Power consumption | Approx. 400VA |
| External dimension | 430mm(W)×550mm(D)×285mm(H) (without sampling pipe and measurement head) |
| Weight | Approx. 49kg |
| Data output | CSV file (Average PM mass and elemental concentration) |
| External connection | EthernetTM, USB, RS-232C* (option) |
*Please consult about communication and instrument composition separately.
Mass analyzer unit
| Measurement method | Beta-ray attenuation |
|---|---|
| PM10 | US EPA Louvered PM10 Inlet |
| PM2.5 | BGI VSCCTM Cyclone |
| TSP | TSP Inlet |
| Measurement range | 0~200 / 500 / 1000 μg/m3 |
| Repeatability | ±2% (against reference foil value) |
| Span drift | ±3 % (24h) |
| Lowest detection limit (2σ) | ±4 μg/m3 (24h) |
| Sampling and measurement cycle | 0.5 / 1 / 2 / 3 / 4 / 6 / 8 / 12 / 24 hours |
Element analyzer unit
| Measurement method | Energy dispersive X-ray fluorescence spectrometry |
|---|---|
| Detectable elements | See Table 1 "Detectable Elements". 32 standard parameters: Al, Si, S, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Rb, Sr, Zr, Pb, Ga, Ge, Y, Pd, Ag, In, Sn, Sb, Te, Cs, Ce, Bi |
| Primary X-ray filter | Automatic switching for light metals/heavy metals |
| Tube voltage | Automatic switching for 15kV/50kV |
| Detector | SDD (Silicon Drift Detector) |
| Sample image | CMOS camera |
| Lowest detection limit (2σ) | See Table 2 "Lowest Detection Limit (Example)" |
| Measurement range | depends on measurement time |
| Analysis time | 100 / 200 / 500 / 1000 / 2000 / 5000 / 10000s selectable |
| Calibration material for X-ray intensity for standard parameter | NIST SRM 2783, other materials (option) |
| Safety functions for X-ray | Internal lock system Key switch X-ray indication light |
Black Particles
| Measurement method | Energy dispersive X-ray fluorescence spectrometry |
|---|---|
| Measured object | Particulate matter of black color |
| Detector | CMOS camera |
| Light source | LED |
| BP measurement range | 0-200 |
| Lowest Detection Limit | <5 BP value |
| Span drift | BP value: ±2% (24 h) |
| Spot tape interval | 25 mm only |
| Sampling cycle | Follow the setting of mass and element measurement |
| Repeatability | ±2% of full scale (Typical), ±3% of full scale (Max) |
| Calibration material | Neutral density filter |
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