Roughometer 4
ARRB Systems
The ARRB Systems Roughometer 4 continues a tradition established over twenty years. It provides a simple, portable and highly repeatable measurement of road roughness on sealed and unsealed roads. The Roughometer 4 is a World Bank Class 3 responsetype device, that measures IRI directly from the axle movement using a precision accelerometer. This eliminates uncertainties associated with the vehicle, such as the vehicle’s suspension or passenger weight. The unit utilises a wireless distance sensor and can be operated with most Android phones or tablets. The software displays collected surveys on a Google Maps interface and allows for MP3 voice recording of events. Survey data is stored on the Android device, with the amount of collected data only limited by the storage capacity of that device. The unit is operated using two wireless buttons mounted on the vehicle dashboard or steering wheel.
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