A calibration process (Naasra)

A preparation to calibrate naasra tools to get an exact value of IRI (International Roughness Index).

General requirements ;

A dipstick profiler. 

At least 4 samples conditions of roads were also needed. 

There are at least 4 categories road conditions ; Bad Condition, Moderate Condition, Good Condition and Perfect Condition. 

Naasra tools with an add on camera to support IRI value result. 

A printed manual of calibration procedures for new members team. 

Manual calibration process could be found here.