HORIBAOBS-ONE PM unitOn-board Emissions Measurement SystemSpecifications:Measuring PrinciplesBatch sampling: Filter gravimetric methodReal-time PM measurement : Diffusion charging methodMeasuring Rang
HORIBA
OBS-ONE PM unit
On-board Emissions Measurement System
Specifications:
Measuring Principles | Batch sampling: Filter gravimetric method |
Measuring Ranges (Real-time PM sensor) | 0 to 2500 mm/cm3 (Concentration after dilution） |
Dilution Method | Partial flow dilution method (Proportional sampling mode/Fixed dilution ratio mode) |
Signal for Gas Sampling | Exhaust gas flow rate: Isolated analog signal (0-10 V) |
Flow Rate of Diluted Gas | 10 to 15 L/min (Under the conditions of 20 deg.C and 101.3 kPa) |
Filter Holder | Diameter 47 mm, Effective diameter 26.2 mm (Without backup filter) |
Particle Pre-classifier (Cyclone) | 99% penetration of particle size of less than 1 μm |
Power Requirements | DC 24 V |