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Improve safety by collecting with the flow of traffic and varying speeds. With GPS tagging options, the operator doesn’t need to touch the computer – they can focus on driving.

SSI’s Zero-Speed Inertial Profilers have repeatedly proven to certify under the same standards as traditional inertial profilers; AASHTO r56 for repeatability and accuracy.

The Zero-Speed upgrade does not require run up or run out. Long duration stoppages also do not effect data. Both scenarios have been proven to collect accurate data compared to reference devices and traditional inertial profilers.

Standard features of the Zero-Speed upgrade:

• High accuracy INS sensor

• Cross-slope reporting

• Two laser sensors in each wheelpath

• GPS-INS receiver with nearly 40 satellites

Zero-Speed Inertial Profiler is ‘System C’ in report

High Repeatability Reference Device

The repeatability results qualify the Zero-Speed as a reference device under ASTM e950 with repeatability scores greater than 98%. The Zero-Speed can be used as a reference device on tracks to certify inertial profilers. Now the reference data can be collected in a vehicle at a comfortable 15 mph in both wheelpaths.

Modular Components

The hardware for the SSI Zero-Speed system remains compact and modular. The wheelpath laser assemblies detach quickly and are stored in a foam molded case.

The models of SSI inertial profilers that can accept a Zero-Speed upgrade are:

• CS9100 Mid-Mount Profiler

• CS9300 Bumper Mount Profiler

• CS9400 Single Track Profiler

• CS9500 Full Lane Survey Profiler