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TMTECK TC-200 Crack detector for Detecting cracks under thick coatings

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TMTECK TC-200 Crack detector

IMG_3853

Crack detection has never been easier or more affordable!

 

Detects and measures surface cracks in steel – even under thick protective coatings!

Inspect:

Bridges and buildings and other structures

Amusement park rides

Mining and earth moving equipment

Cranes and other lifting equipment

Ships, tanks, military hardware

Pipelines, pressure vessels and oil field equipment

Signal Light Masts, etc.

Features:

Detects cracks under thick coatings

Simple to use

Indicates crack severity (depth)

Accurately find the crack tip

Minimal training required

No need to remove paint and other coatings.

No need to remove oil and grease

Economical

Fast – scan a foot of weld in 10 seconds!

Minimize the use of dye penetrant and magnetic particle inspection (use only to prove-up test results).

Less expensive than eddy current and ACFM instruments

Light weight – 0.6 lb. (300gr.)

No consumables

No mess

14 hour battery operation

Water resistant case (IP-65)

SET-UP:

Place a plastic shim of similar thickness to your coating on the test block. Place the probe over a defect free area and press the “balance” button

Rotate probe so that finger grip is parallel to the notch

Scan the probe over the appropriate notch in the test block and adjust the sensitivity buttons as required to achieve the required sensitivity.

OPERATION:

plate and pipe:

Scan the area of interest in a Zigzag pattern, repeat at 90 degrees.

welds:

HAZ

Place the probe over the Heat Affected Zone immediately adjacent to the weld and scan the length of the weld. Move the probe 1/8” (3mm) and scan the length of the weld, repeat this process until ½” (12.5mm) is covered on either side of the weld. Note: the probe finger grip should be parallel with the weld.

WELD CROWN

Scan the weld crown in a Zigzag pattern. On bare, rough welds, it is helpful to place a plastic sheet or tape over the weld.

THEORY OF OPERATION:

The probe contains a transmitter and receiver. The transmitter creates a stable AC

magnetic field in the test material that is disrupted by a crack. The receiver in the

probe is a proprietary semi-conductor magneto-sensitive device that detects and

measures the resultant magnetic flux leakage that indicates the presence and severity of a crack.


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