PX-375

Continuous Particulate Monitor with X-ray Fluorescence

Continuous elemental and particulate mass analysis with automatic sampling

There has been a growing concern regarding particulate matter (PM) pollution and its effects on health. For effective preventative measures, the determination of source PM concentration is extremely important. Therefore, indication of PM and elemental concentrations is critical. The PX-375 analyzer employs automatic sampling, continuous on-line PM quantitative and qualitative analysis for rapid air pollution measurements.

Division: Ambient
Manufacturing Company: HORIBA, Ltd.
  • Continuous analysis of PM mass and the elemental concentration by a single unit directly in the field.
  • Adoption of world proven technologies: X-ray fluorescence & Beta-ray attenuation.
  • HORIBA's filter tape provides excellent sensitivity and precise performance
  • Installed CMOS camera enables observation of collected particulate sample on the filter.
  • User friendly display and operations

<Table 1> Lowest Detection Limit (Example) (2σ) (ng/m3)

* LDL (σ) is half of the LDL (2σ)

<Table 2> Detectable Elements

O - Standard parameters, calibrated by standard calibration materials.
* For measurement of element concentration calibration by standard calibration materials is needed.
* Please contact separately about elements, marked as non-detectable.

The specifications, appearance or other aspects of products are subject to change without notice.  Please contact us if you prefer the demo to consider the purchase of this product.

Product nameContinuous Particulate Monitor with X-ray Fluorescence
ModelPX-375
Measured objectParticulate matter (PM10, PM2.5, TSP)
Measurement contentParticulate mass concentration and element concentration

Common

Flow rate16.7L/min
Sampling pumpLinear drive system, externally installed
Filter tapeNone-woven PTFE fabric filter
Spot tape interval20/25/50/100mm selectable
Filter tape replacement intervalApprox. 1 month (In case of 100mm spot interval)
Ambient operation temperature10˚C~30˚C
Relative humidity0~80% RH noncondensing
Altitude1000m or less
Power supplyAC100V~240V ±10%, 50/60Hz±1%
Power consumptionApprox. 400VA
External dimension430mm(W)×550mm(D)×285mm(H) (without sampling pipe and measurement head)
WeightApprox. 40kg (Without sampling pipe and measurement head)
Data outputCSV file (Average PM mass and elemental concentration)
External connectionEthernetTM, USB, RS-232C* (option)

*Please consult about communication and instrument composition separately.

Mass analyzer unit

Measurement methodBeta-ray attenuation
PM10US EPA Louvered PM10 Inlet
PM2.5BGI VSCCTM Cyclone
TSPTSP Inlet
Measurement range0~200/500/1000μg/m3
Repeatability±2% (against reference foil value)
Span drift±3% (24hours)
Lowest detection limit (2σ)±2μg/m3 (24hours)
Sampling and measurement cycle0.5/1/2/3/4/6/8/12/24 hours

Element analyzer unit

Measurement methodEnergy dispersive X-ray spectroscopy
Detectable elementsSee Table 2 "Detectable Elements".
Standard parameter is S, Ti, Cr, Mn, Ni, Cu, Zn, Pb, Al, Si, K, Ca, V, Fe, As.
Primary X-ray filterAutomatic switching for light metals/heavy metals
Tube voltageAutomatic switching for 15kV/50kV
DetectorSDD (Silicon Drift Detector)
Sample imageCMOS camera
Lowest detection limit (2σ)Recommended EPA Method IO 3.3
See Table 1 "Lowest Detection Limit (Example)"
Measurement rangeUp to measurement time
Analysis time1000s (16.6 min) as standard
100 / 200 / 500 / 1000 / 2000 / 5000 / 10000s selectable
Calibration material for X-ray intensity for standard parameterNIST SRM 2783, other materials (option)
Safety functions for X-rayInternal lock system
Key switch
X-ray indication light
Air Quality Monitoring
Air Quality Monitoring
During the period of rapid economic growth, Japan was burdened with various types of pollution such as water contamination and air pollution. The first step to regain the glow of the sky and the purity of water was analysis. HORIBA's measuring instruments play an active part in various fields to determine, for example, whether established regulations are complied with or whether the air and water are purified properly. The beautiful environment is the world's asset. Going forward, HORIBA will continue contributing to preserving the global environment through measurement.
Brake Dust Measurement
Brake Dust Measurement
A series of legislative measures has significantly reduced the amount of emissions that is being emitted by internal combustion engines of light and medium-duty vehicles.

Request for Information

Do you have any questions or requests? Use this form to contact our specialists. * These fields are mandatory.

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