Cygnus Instruments offers two dedicated ROV mountable thickness gauges. The units have been designed to be mounted onto most types of work class ROV with a manipulator facility. The shallow water version (Cygnus ROV 1000) is pressure tested to 1000 m. The deep water version is pressure tested to 3000 m (Cygnus ROV 3000). Dedicated software displays the time, date and thickness readings on the surface. All readings can be stored.
Kit Contents
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Features
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Cygnus Multiple Echo Technology With multiple echo technology, readings are taken by measuring the time delay between any three consecutive backwall echoes. The time T1 (for coating thickness) is ignored. The times T2 and T3 are equal to the time that it takes for sound to travel through the metal. Only by looking at three echoes can the measurements be made for the metal thickness, where T2 = T3. |
Specifications
Pressure test |
1000 m (Cygnus ROV 1000) |
Materials |
Sound velocities between 1000 m/s and 9995 m/s. |
Range |
3 mm to 250 mm with 2.25 MHz probe. |
Accuracy |
±0.1 mm or ±0.05 mm |
Resolution |
0.1 mm or 0.05 mm |
Probes |
Remote single-crystal, soft-faced compression. |
Power |
7.5 - 30 Vdc @ 150 mA (max) |
Size |
237 x 70 mm |
Weight in air |
550 g (1.2 lb) |
Operating Temperature |
-10ºC to +50ºC |
Communications |
Standard RS-422 |
Warranty |
3 years |
Surface Requirement |
PC or laptop with VGA screen and available COM port. |