SKIPPER 50/200 kHz Dual Transducers

SKIPPER 50/200 kHz Dual Transducers one of type ETS50200 Dual Transducer is designed only for ESN100 and ESN200 Echo Sounders. In one housing you have the ability to choose between 50 and 200 kHz. ESN100 and ESN200 is also designed to automatically change between the frequencies depending on the depth.

SKIPPER 50/200 kHz Dual Transducers Display

• Only to be used with SKIPPER ESN100 or ESN200
• 50 and 200 kHz Dual Navigational Transducer
• Different adaptors to fit different bottom housings
• Optional cable length (25 or 50 m)

Specification

Product :	ETS50200 Dual Transducer
To be used with :	SKIPPER ESN100 SKIPPER ESN200
Part Numbers :	ETS50200T-SA Transducer 50/200 kHz with adaptor to ETNST 25 m cable ETS50200XT-SA Transducer 50/200 kHz with adaptor to ETNST 50 m cable ETS50200G-SA Transducer 50/200 kHz with adaptor to 100 mm sea valve 25 m cable ETS50200XG-SA Transducer 50/200 kHz with adaptor to 100 mm sea valve 50 m cable ETS50200TA-SA Transducer 50/200 kHz with adaptor to ETNALC m cable ETS50200XTA-SA Transducer 50/200 kHz with adaptor to ETNALC 50 m cable ETS50200XTL-SA Transducer 50 kHz and 200 kHz for ELAC LSE297/313 tank. 50m cable ETS50200TL-SA Transducer 50 kHz and 200 kHz for ELAC LSE297/313 tank. 25m cable
Range :	300-700 m depending on frequency and water/bottom quality
Material :	Polyvinyl Chloride
Weight :	5 kgs
Mounting options :	Steel Tank Aluminium tank 100 mm Sea Valve for single bottom 100 mm Sea Valve for double bottom Retrofit in Elac LSE297/313 Tank
Classification only with ESN100 or ESN200 :	IMO Wheelmarked CCS on request RMRS on request MED-B

Advantages:

• Improves near surface resolution
• Eliminates delay line multiples for high temperature applications
• Couples well on rough or curved surfaces
• Reduces direct back-scattering noise in coarse grained or scattering materials
• Combines penetration capabilities of a lower frequency single element transducer with the near surface resolution capabilities of a higher frequency single element transducer
• Can be contoured to conform to curved parts

Applications:

• Remaining wall thickness measurement
• Corrosion/erosion monitoring
• Weld overlay and cladding bond/disbond inspection
• Detection of porosity, inclusions, cracks, and laminations in castings and forgings
• Crack detection in bolts or other cylindrical objects
• Maximum temperature capability is 800°F (425°C) for 5.0 MHz and below; 350°F (175°C) for 7.5 MHz and 10 MHz. Recommended duty cycle for surface temperatures from 200°F (90°C) to 800°F (425°C) is ten seconds maximum contact followed by a minimum of one minute air cooling (does not apply to Miniature Tip Dual)

The frequency and transfer characteristics of dual-element ultrasonic transducers are theoretically and experimentally investigated in the long pulse radiation mode for the case where one of the piezoelectric elements is connected to a control circuit in the form of an inductance coil or a resistor. For the controlled damper and controlled layer cases, the characteristic features of radiation as functions of the control circuit parameters are determined, as well as the conditions for an increase in ultrasonic wave radiation power. With certain conditions being satisfied, we demonstrate the possibility of amplitude modulation of the emitted ultrasonic wave by periodic switching of control circuit elements

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Source: olympus-ims.com