PECT

Ideal For Measuring Steel Thickness Without Having To Remove The Lagging, Coating, Deposits Or Marine Growth. Easy To Use, Robust, Reliable And Ideal For Inspections On-Site.
APPLICATIONS FOR PECT:
• Corrosion Under Fireproofing Of Sphere Legs And Column Skirts;
• Flow-Accelerated Corrosion In Steam Systems Of Power Plants;
• Monitoring Of Wall Thickness (PECT Has A Unique Ability For This);
• Testing And Monitoring Through Repair Wraps;
• In-Service Inspection Of Annular Rings Of Storage Spheres;
• Testing On Marine And Offshore Structures Through Marine Growth
In The Splash Zone;
• Inspection Of Sub-Sea Pipelines With Weight Coatings Using Submersibles;
• Inspection Of Well Casings.

OVERVIEW

The PECT instrument comprises a ruggedized tablet computer connected to a data acquisition unit. The set is splash water tight, robust and easy to operate. Data collection is fast (two measurements per second) and has a scanning mode. The data is analysed in real-time with various quality control features that assists the operator to correctly analyse the data.

FEATURES

There are four standard probes, each for a different lift-off range. The probes are optimized for defect sensitivity.
The instrument can either be operated from the probe and from the tablet computer.

 

 

Colour-coded wall thickness readings are displayed on the touch screen display during data recording.
A MS-Excel field report can be produced quickly by the tablet computer. In addition, PC-based software is provided for further analysis and reporting.

 

Fast and reliable PECT measurements require a high-energy magnetic pulse, which is delivered by a dedicated powerful battery inside the data acquisition unit. The tablet computer is powered by two separate batteries. Both type of batteries are provided with external chargers and are hot-swappable.

Typical performance data

Material	Carbon steel and low-alloyed steel
Lift-off range	0 – 250 mm (0-10”)
Wall thickness range	3 – 50 mm (0.12”-2”)
Insulation covers	PECT can measure through non metal, aluminium and stainless insulation covers; The inspection performance of PECT through galvanised weather sheeting depends on its properties
Cables	Standard cable length is 8m (26ft). Cable length of up to 100m (328ft) can be provided.
Transport	The equipment is transported in two Explorer cases, 67cm x 51cm x 26cm, (26”x 20” x 10”), each weighing 45 lbs. – 20 kg

 

SPECIFICATIONS

One standard set comprises of	• PECT data acquisition unit permanently connected to a U11i Durabook tablet computer for  data acquisition with high capacity battery, AC adapter and Blue tooth mouse; • Four standard probes with protector shoes and wear piece; each probe can be used with a  one-axis position encoder; • Two vibration-suppression shims • Two 8m long signal cables for connection of PECT instrument with any of the probes (one  for use, one spare); • Two main batteries for PECT instrument; • One external charger for the main battery 110V-230V, • Reference plate for functional check by user and annual remote calibration by MAXWELL
Optional items:	• One-axis position encoder that can be attached to each of the four standard PECT probes (S,  M, L and XL) • Flat probe for in-service inspection of annular ring atmospheric storage tanks • Splash zone probe, 30m water depth • Underwater probe, 1500m depth rating • 29m long signal cable in transport case; dierent lengths are available on request. • Connector piece • 100m long underwater umbilical in transport case; dierent lengths are available on request; • Telescopic pole; 1.8m collapsed – 6m extended
Data acquisition computer	• DARABOOK U11i Touch screen with LED backlight • Sunlight Readable Display; Ambient Light Sensor; screen protector. • 8GB memory, 250 GB SSD
Standard probes	Four standard probes, types S (small), M (medium), L (large) and XL (extra-large); Nominal lift-  o ranges: 0-20mm (S); 25mm- 75mm (M); 40mm-125mm (L) and 75mm-250mm (XL)  Probe selection is automated at inspection set-up.
Batteries	Typical life main battery: 8 hours; external chargers ensure no down time due battery re-  charging. • Hot-swappable • Computer battery is recharged automatically from the main battery in case its charge drops  below 20%, so no spare battery for the tablet is required.
Communication	• Wi-Fi, Bluetooth®, USB 3.0
Environment	IP 65, Salt and Fog resistant • Operating Temperature -20°C to +40 °C,  Relative humidity < 93%atmospheric pressure 70 – 105 kPa
Compliance	• CE, RoHS, FCC Part 15B
Dimensions & weight	• Instrument with batteries: 33cmx 26cm x 15cm; weight 7.4 kg
Transport of standard set	• On-site transport by a single operator is possible using the  rucksack included in the set and instrument carrier belt. Air and road transport in three Explorer  cases typer 4830,  LxWxH =52cm x 45 cm x 24cm and weight 12 kg each

 

RESOURCES

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