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IRIMETER-1

Vehicle Mounted IRI Measurement System

IRIMETER-1 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, induction sensor for distance measurement and a roof magnet-mounted GPS antenna. The inertial sensors are mounted to MacPherson type front suspension of the vehicle. Cables are used to connect the sensors to the rest of the system.

IRIMETER-1 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, central and sensor units

  • Sensor unit(s) connected with cable

  • Optional crossfall inclination

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Technical Specifications

Metric

Units

Value

Data storage capacity

km

1200

IRI measurement resolution

mm/m

0.1

Average IRI calculation setting

m

5, 20, 100

Supported vehicle speed

km/h

20 - 100

Power supply

V

12 from battery

Operating temperature

°C

-20 to +50

Dimensions

mm

90 x 120 x 60 (control)

90 x 160 x 60 (central)

100 x 55 x 50 (sensor)

Total weight

kg

2.5