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IRIMETER-2

Vehicle Mounted IRI Measurement System

IRIMETER-2 vehicle-mounted road roughness measuring device measures the International Roughness Index (IRI) of different road surfaces.

This vehicle mounted profilometers includes a control unit with graphic LCD display, one or two wireless inertial sensors and a roof magnet-mounted GPS antenna. The inertial sensors are mounted to MacPherson type front suspension of the vehicle. The sensors are wirelessly connected to the rest of the system.

IRIMETER-2 can be used on paved or unpaved roads. Wet, snowy or dusty road surface do not influence the accuracy of measurement.

All measured data together with measurement location is stored and can be downloaded to a computer via USB connection and can be viewed as graphs, tables and maps. Software is provided for easy processing and display of the data.

Features and Benefits

  • Compact and easy to set up and use

  • Real-time calculation and display of measurement results on LCD

  • GPS unit to measurement location

  • Control and sensor units

  • Wireless connection to sensor unit(s)

  • BI (Bump Integrator) recalculation from IRI values

  • Optional crossfall inclination sensor

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Technical Specifications

Metric

Units

Value

Data storage capacity

km

15000

IRI measurement resolution

mm/m

0.1

Average IRI calculation setting

m

5, 20, 25, 100

Supported vehicle speed

km/h

20 - 100

Power supply

12V from cigarette lighter or 5V from USB

Operating temperature

°C

-20 to +50

Dimensions

mm

90 x 120 x 60 (control)

100 x 55 x 50 (sensor)

Total weight

kg

2