On-board Emissions Measurement System for SPN10
OBS-ONE SPN10 Unit - HORIBA, Ltd.
The OBS-ONE SPN10 unit is an on-board emissions measurement system for analyzing the SPN10 (solid particle number emissions >10 nm) under real-world driving conditions. It meets the latest trends in particle number regulations in the future.
The SPN10 unit combines with the GAS unit and the NH3/N2O unit to measure the specified exhaust gas components, along with the exhaust gas flow rate, the GPS position, and the atmospheric conditions (temperature, humidity, pressure).
HORIBA, Ltd. Products
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On-Board Systems
OBS-ONE series
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HORIBA developed the OBS-ONE series on-board emission measurement system in response to new requirements for exhaust emissions measurement from vehicles being driven on public roads (Portable Emissions Measurement Systems - PEMS). This development has been made possible by reducing the dimensions and power consumption of laboratory grade analyzers and ensuring that the system components have excellent vibration resistance. The OBS-ONE series continuously measures not only the concentration of CO, CO2, THC and NOx, but also measures exhaust fl ow rate and A/F ratio to calculate mass emission and fuel economy.
