DAPPES-3

The Walking profiler is a high-precision measurement instrument for collecting surface condition information, at true walking speed.
The Walking profiler produces outputs from pavement profile, providing International Roughness Index (IRI), MPD texture (as an optional parameter) and distance. Platform is separate to the carriage, which means it is less susceptible to operator input. Data can be collected at variable speeds up to 5km/hr and is controlled by an Android tablet. Realtime results are displayed on the screen, allowing for onsite decision making.

Measurable Parameters
International Roughness Index (IRI) :
is an indicator used worldwide for the characterization of longitudinal road roughness. This study summarized IRI limit values for new, reconstructed or rehabilitated roads, for in-service (existing)roads and road classification schemes used around the world.

Flatness standard deviation (σ) :
standard deviation of the flatness adopt continuous flatness meter to measure the standard deviation of unflatness, represents the flatness of the road surface.

Ride Number(RN) :
The Ride Number (RN) is a mathematical processing of longitudinal profiles that allows the estimation of the subjective ride quality perceived by road users.

Ride Quality Index (RQI)

Features
1.World Bank Class 1 Profilometry device
2.Optional laser for MPD texture measurement
3.Varying collection speed options
4.Android tablet operation
5.Bluetooth connectivity
6.Outputs of ERD and PPF files, for use in ProVAL

Applications
1. Provides outputs of IRI, longitudinal profile and distance
2. Reference tool for calibrating and assessing high speed profilers
3. Suitable for many surfaces, including paved roads and footpaths, airfields and runways, bridges and carparks.

TECHNICAL PARAMETERS

Operator Quantity: 1people
Operate Speed: Normal walking speed
Calculate length of the Road: Any Length More than 5M
Roughness index sampling interval: 12.5cm
System Power: large capacity lithium battery
Operate enviroment temperature: - 40℃ ~ 80℃
Dimensions: 650mm×380mm×330mm
Weight: 20Kg