Multi-Skip Scanner
Corrosion Mapping Solution
The Multi-Skip or M-Skip scanner offers an ultrasonic solution for corrosion detection of typically difficult-to-access areas of pipelines; around obstructions such as pipe supports, clamps, and saddles.
The adaptable scanner comprises of sets of interlocking belt sections that can be adjusted according to pipe diameter from 6” up to 48” Outside Diameter. Separation bars ensure accurate and consistent probe and wedge placement around obstructions at distances of up to 1m (3.28ft).
M-Skip is an ultrasonic ‘transmit-receive’ method that locates probes on either side of an obstruction. Ultrasound is transmitted through the wall of the pipeline, beneath the external obstruction, and is received on the far side. The ultrasonic waves ‘skip’ between the internal and external surfaces and the arrival times of the signals are used to calculate wall thickness. Corrosion is detected through loss of signal amplitude; reduced signal arrival times and changes to signal shape.
The M-Skip scanner can reduce inspection times and associated costs by eliminating the need to remove clamps or lift a pipe off its support to scan the inaccessible area.
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Corrosion Mapping Solution
Standard Kit
- 2 x Search probes
- 2 x Couplant Monitoring probes
- 2 x M-Skip wedges
- Belt track lengths (available for use from 6” up to 48” OD)
- Separation bars available up to 1m (3.28ft)
- Integrated encoder (specify instrument when ordering)
- Track adjustment tool
- Irrigation tubing
- Protective carry case
Specifications
- Working Range: 6” up to 48” OD
- Encoding: Single axis
- Temperature range: up to 60°C
- Spring loaded waterproof wheel encoder. IP68 rated
- Encoder Resolution: 65.6 steps/mm
- Spring-loaded tool posts
- Holds 2 wedges (4 probes)
- Weight (Boxed): 20kg (36” version)
Features
- Reduces inspection time and costs by scanning with obstructions in-situ
- 100% Scan coverage of inaccessible pipe support area
- Adjusts to varying pipe sizes and obstructions
- Easy to setup with accurate probe/wedge separation
- Couplant monitoring probes guarantee better data collection
- Low profile scanner design
