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L-TOF AMS is an instrument used to measure the chemical composition and size distribution of airborne particles (aerosols) in real-time.
It combines time-of-flight mass spectrometry with aerosol mass spectrometry techniques to provide detailed information about aerosol composition, including organic and inorganic species.
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Detailed Specs
Measure real-time, non-refractory, size-resolved particulate chemical composition and mass.
Detection Limit: 0.04 (µg/m3)
Mass Resolving Power: 7000 (m/∆m)
Mass Range (m/z): 1-1000
- Aerodynamic particle lens for efficient gas-particle separation
- Resolution approaching 7000 m/Δm
- Linear universal detection of sulfate, nitrate, ammonium, chloride and organic aerosol species through two-step thermal vaporization (~600 C) and electron impact ionization process
- Single particle detection mode via event trigger
- Particle aerodynamic diameter determined from particle time-of-flight (velocity) measurements using a particle beam chopping technique
- Compatible with 1064 nm laser vaporization module
- Improved separation and quantification of organic aerosols species, including primary and secondary organic aerosol, compared to HTOF-AMS
70-700 nm vacuum aerodynamic diameter with standard lens
110-3500 nm with PM2.5 lens option
1-5 minute typical data reporting interval
Typical fast MS mode data rate 1 Hz
High speed acquisition of 1.6 GHz with custom firmware for single particle (event trigger) mode
Length x Depth x Height: 140 cm x 61 cm x 69 cm
Weight: 125 kg
