HORIBA developed the OBS-2000 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-2000 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.

System mounted in a vehicle.

OBS-2000 - On Board Emissions Measurement System

Vehicle emission measurement is no longer limited to the laboratory.