Eddyfi Technologies TSC U41, User Manual

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System Overview
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Introducing the U41 System
Thank you for purchasing the Eddyfi® TSC U41 system, the most advanced ever system for
inspecting subsea structures using the Alternating Current Field Measurement (ACFM®)
technique
The U41 is the successor to the previous generation U31 instrument and contains the following
class leading features:
x x
3 probe connectors, to reduce time spent changing out probes,
x x
Vastly improved electronics delivering increased speed and data resolution
x x
Removable handle to facilitate easy probe connector access
x x
Impact bumpers
x x
Ability to use up to 3 umbilicals joined together (450m (1476ft) total).
x x
The U41 is available in 4 models: 2 are for use with divers and 2 are for use with ROVs.
x x
U41D™ - basic model for divers which uses simple twin sensor probes
x x
U41DA™ - standard model for divers which also supports a mini-array probe for increased
productivity
x x
U41R™ - can be integrated for use with ROVs and supports a range of array probes designed
for remote deployment
x x
U41RDW™ - the same functionality as the U41R but in a larger pressure bottle for operation
at water depths up to 2000m
We will cover what’s in the box then take an overview of the instrument and its main functions
and application capabilities.
What is in the Box
The U41 comes with the following system components and accessories:
x x
U41 Subsea Bottle with removable handle
x x
Blanking plugs (2) (for unused probe connectors)
x x
Topside Unit (different models for D or R versions)
x x
Topside Unit power cable with RCD
x x
Ethernet cable
x x
230Vac to 110Vac transformer
x x
Test & integration deck cable (20m (65 feet))
x x
Function check plate
Optional Accessories
Here is a list of the optional accessories that could be included depending of the option selected.
x x
Rugged laptop running ASSIST3. Note you may use your own laptop with the system but
you will need to download, install and license the ASSIST3 software before use.
x x
150m Subsea umbilical cable on drum. This is used for all diver operations and for ROV
operations where the U41 subsea bottle does not have a power and communications
connection through the ROV umbilical. Note that up to three 150m umbilicals may be
joined together if required.
x x
Topside integration whip. For ROV operations this connects the topside communications
connector to the ROV interface electronics.
x x
Subsea integration whip. For ROV operations, this connects the subsea bottle to the ROV
for power and communications.
x x
All these accessories are available directly from Eddyfi Technologies. Contact your local
sales representative or office for more information.