Silverwing is now part of Eddyfi Technologies

SCORPION2 Remote Access Ultrasonic Crawler

  • Up To 180 mm/sec (7 in/sec)
  • Fully integrated auto UT B-scan crawler
  • Dry-coupled wheel probe
  • Battery Operated

Scorpion2 dry-coupled remote access ultrasonic crawler system brings major efficiency and data improvements to the inspection of structures such as storage tanks, vessels and offshore installations.

Scorpion2 is equipped with the best ultrasonic electronics and software the industry has to offer. With its advanced filtering, the system can inspect materials ranging from 5 to 100 mm (0.2 to 4 in) faster and more accurately. The software allows for unique UT gate processing, such as floating and tracking gates, ensuring correct wall thickness measurements under most circumstances.

The battery-power crawler is designed to go where no man can go. Crawler handling is minimized with simple controls and long umbilical, when combined with a speed of up to 180 mm/sec (7 in/sec), allow the completions of inspections faster and more efficiently.

Ultrasonic Tank Shell Inspection
Key Features:
  • Up to 180 mm/sec (7 in/sec)
  • Active steer for auto-correcting straight line driving
  • Drive over 12 mm step even in damp conditions
  • Dry contact probe - no couplant required
  • Programmable scan length and pattern
  • Inspect within 25 mm of weldments (HAZ)
  • Manual joystick control
  • 4 Permanent magnetic drive wheels
  • Battery powered for easy use
  • 3 component system, Scorpion2, UTLite2 and umbilical

SWIFT-UT Instrument

With a large 26.4 cm (10.4 in) non-reflective, touchscreen display, Swift-UT provides clear views under any lighting conditions. It has a powerful integrated ultrasonic card and seamlessly works with the dedicated B-scan software. Setting up ultrasonic and inspection details has never been this easy.

Swift-UT is sealed and designed for IP65. Its magnesium alloy casing is tough, and is water and dust resistant. Combined with a 3mm (1/8 in) strengthened glass, it’s the perfect instrument for harsh environmental conditions.

Swift-UT comes with two lithium-ion, hot-swappable batteries, allowing for a full day’s work.

Swift-UT has an optional harness to support the use of the system for longer period of time. The adjustable stand, the top handle, and four corner anchor points make it practical for on-site inspections.

Magnetic Drive Wheels

Probe Design

Silverwing’s unique dry-coupled ultrasonic wheel probe eliminates the need for couplant or a constant water supply. The probe is designed as a twin crystal ultrasonic probe with a unique rolling probe face.

Probe Carriage

The probe carriage allows the system to record thickness measurements within 25 mm (1 in) of a weld cap to inspect the critical heat affected zone (HAZ). The four independently-powered magnetic drive wheels with treaded tires give Scorpion2 the advantage of being able to easily drive over 12 mm (0.47 in) and provide grip under any conditions.

Dry Coupled Wheel Probe

Active Probe Lift and Balance

Unique feature to Scorpion2, the active probe lift raises the wheel probe when measurements are not being recorded, extending the life span of the probe’s tire. Probe balance makes it easier to setup the probe pre-inspection, reducing time whilst increasing inspection repeatability.

Battery-powered

Scorpion2 comes with two lithium-ion batteries, allowing for continuous on-site operation. The battery is mounted on board the crawler, removing the need for a separate battery pack on the ground, thus reducing umbilical and overall system weight.

Probe Carriage

Data Acquisition Software

Swift-UT B-scan data acquisition software features several powerful data review, reporting and printing tools. Saved data can be reviewed at any time with active A-scan and B-scan displays. Placing the cursor over any part of the B-scan profile shows the A-scan trace for that specific section of the scan. An adjustable reporting threshold indicator can be displayed over the B-scan profile, helping to identify reportable defects at a glance and allowing rapid analysis of the complete scan. The full amplitude B-scan mode helps to characterize wall loss which in turn allows for a more detailed post-inspection analysis and accurate corrosion assessment.

Inspection data can simply be exported as CSV, A-scan and B-scan images or as CMX files which can be imported into CMAP inspection management software. When importing into CMAP, all scans are automatically positioned based on X, Y coordinates, providing a complete overview of the inspection.

Magnetic Drive Wheels

EEMUA & API Recommendations

Traditional techniques of random tank shell thickness measurements can be very misleading due to the low Probability of Detection (POD) and may lead to incomplete corrosion rate calculations. As recommended by EEMUA, the Scorpion2 records thickness measurements along a vertical line even in the critical Heat Affected Zone (HAZ) meaning a higher POD resulting in a more accurate corrosion assessment.

EEMUA states that walking on tank roofs can be hazardous if the condition is not known. The condition and thickness of the roof plates should be confirmed before access is permitted. The Scorpion2 can remotely record thickness measurements reducing the need for roof access.

EEMUA tank shell inspection
Technical Specification

Dimensions (W×H×D)
494 x 294 x 130 mm (19.5 x 11.6 x 5.1 in)
Weight with batteries
10.5 kg (23lb)
Weight without batteries
10 kg (22lb)
Umbilical cable length and weight
50 metres (164 feet), 4.25 Kg (9.4 lb)
Power requirements
Lithium-ion, rechargeable, DOT compliant
Power supply
Onboard battery
Battery type
Li-ion, rechargeable, DOT compliant
Typical Battery life
4 hours
Max scan speed
180 mm/sec (7 in/sec)
Drive
Active Steer 4 independent 12V DC motor drive
Adhesion
4 x Neodymium iron boron magnetic wheels
Transducer
5Mhz twin element Dry-coupled
Near-surface resolution
2.5 mm (0.1 in)
Probe normalisation
Self-normalising probe
IP rating
Designed for IP62, use in light rain
Operating temperature
0–40 °C (32–104 °F)
Internal pulser/receiver
1 x Tx/Rx, 1 x Tx (for pitch and catch)
Transducer frequency
2.25–20 MHz
Max. pulsing rate
Application dependant capable up to 20 kHz
Pulse voltage
-75 to -200 in step of 25 volts
Pulse width
25 ns to 225 ns in 2.5 ns increment
Damping
50Ω
Receiver gain
8 to 70 dB, 40 dB TCG Range
Filter, Waveform
FIR filter, Full rectify
Sampling rate
100 MHz
Resolution
16 bits
Waveform length
up to 16328
Trigger source
Internal or Encoder-based
Transducer range
2.25–20 MHz
Post trigger delay
8 to 141006540 samples in 1 sample step
External longitudinal
3.0 m (10 ft)
External circumferential
3.0 m (10 ft)
Internal longitudinal
5.0m (17 ft)
Internal circumferential
3.0 m (10 ft)
Minimum material thickness
4.7 mm (3/16 in)
Maximum material thickness
100 mm (4 in)
Maximum paint thickness
1 mm (3/64 in)
Maximum step weld
12 mm (0.45 in)
Dimensions (W×H×D)
355×288×127 mm (14.0×11.3×5.0 in)
Weight with batteries
6.6 kg (14.5 lb)
Weight without batteries
5.7 kg (12.5 lb)
Volume
13 L (791 in3)
Power requirements
100–240 VAC, 50–60 Hz
Power supply
Direct VAC or onboard batteries
Battery type
Li-ion, rechargeable, DOT compliant
Typical Battery life
6-8 hours
Display
26.4 cm (10.4 in)
Non-reflective (AR coating)
Anti-fingerprint (oleophobic coating)
3 mm (1/8 in), strengthened glass cover
Optically bonded LCD and touchscreen
Storage
SSD, 100 GB
Connectivity
Gigabit Ethernet, Wi-Fi, Bluetooth®, USB 2.0 (×3)
IP rating
Designed for IP65
Operating temperature
0–40 °C (32–104 °F)
Operating humidity
95 %, non-condensing

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