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The Chelsea Technologies Group manufacture a range of underwater acoustic transducers which are used as underwater acoustic sources over a wide frequency range. A selection of our  underwater transducers - projectors / transmitters is shown below:

Quick Guide: View our range of Spherical Projectors

Model

Description

Nominal Resonant Frequency  (kHz)

Transmit Sensitivity 
(dB re 1V/µPa)

Operating 
Depth (m)

Datasheet

The CTG1273 is a versatile, wide band, medium frequency projector. The projector is supplied in a robust housing with space for either a wideband tuning network or transformer. This transducer offers similar levels of performance to the CTG0811-0272, but covers a higher frequency band. Includes 10dB Transformer.

CTG1273-001
Projector 


12kHz


159dB


300m


Download CTG1273-001 Projector Datasheet

The CTG1253 projector offers a wide range of operational benefits. OmniSource is the Chelsea Technologies Group's range of industry standard, high quality, high performance spherical projector / receiver transducers.

CTG1253-001
Omni Projector 


60kHz

 
150dB

 
500m


 Download CTG1253-001 Omni Projector Datasheet

This dual projector transducer provides an excellent solution to the problems of working over extreme bandwidths. Both 26kHz and 55kHz spherical projector transducers are enclosed in a compact and manageable package.

CTG0615-003 
Dual Frequency Projector  


30kHz/60kHz


150dB/148dB


500m


Download CTG615-003 Dual Frequency Projector Datasheet

The CTG811-0259 spherical projector is a high performance medium frequency, wide band device. Like the other broad band spherical projectors in the family, this transducer comes complete with an integral tuning network to provide an impressive broad band, high power output performance.

CTG0811-0259 
Projector

 
20kHz-50kHz

 
146dB

 
600m

 
Download CTG0811-0259 Tuned High Power Broadband Projector Datasheet

The CTG811-0260 is an exceptional wide band projector. The secret to the flat response lies in the integral tuning circuit (mounted in the anodised aluminium housing).

CTG0811-0260 
Projector

 
50kHz-100kHz

 
150dB

 
600m

 
Download CTG0811-0260 Projector Datasheet

The CTG811-0261 is an exceptionally flat, wide band projector. The secret to the flat response lies in the integral tuning circuit (mounted in the anodised aluminium housing).

CTG0811-0261 
Projector


100kHz-200kHz 


148dB


500m

 
 Download CTG0811-0261 Projector Datasheet

SonoFlex 850 is a flexural disc transducer with a wide range of uses for both commercial and defence applications. It has been used extensively as a calibration standard as a high performance, low frequency source. It is an excellent choice for any situation where a compact low frequency source is required.

CTG0241-0001 
SonoFlex Projector

 
0.85kHz
 

 
131dB

 
10m-100m

 
Download CTG0241-001 SonoFlex 850 Projector Datasheet

SonoFlex 850 is a flexural disc transducer with a wide range of uses for both commercial and defence applications. It has been used extensively as a calibration standard as a high performance, low frequency source. It is an excellent choice for any situation where a compact low frequency source is required.

CTG1181-002 
SonoFlex Low Frequency Projector

 
1.35kHz


133dB

 
10m-250m

 
Download CTG1181-002 SonoFlex 1350 Projector Datasheet

The CTG1162-0001 SonoFlex 1600 low frequency flexural disc projector transducer was born from a desire to reduce the operating frequency of the SonoFlex 1900 whilst keeping identical power and depth handling performance.

CTG1162-0001 
SonoFlex Projector
1.6kHz
133dB
10m-250m
Download CTG1162-0001 SonoFlex Projector Datasheet

CTG0673-0001 SonoFlex 1900 is a flexural disc projector transducer offering a sensible compromise between the desires for low frequency transmission and compact size.

 CTG0673-0001 
SonoFlex Projector
1.9 kHz
134dB
10m-300m
Download CTG0673-0001SonoFlex Projector Datasheet

CTG0311-0001  SonoFlex Projector - Sonoflex is a flexural disc transducer with a wide range of uses for both commercial and defence applications. As a high performance, low frequency source, it has been used extensively as a calibration standard. Sonoflex is an excellent choice for any situation where a compact low frequency source is required.

CTG0311-0001 
SonoFlex Projector 
2.4kHz
132dB
10m-100m
Download CTG0311-0001  SonoFlex Projector Datasheet
The CTG1330 projector is the industry standard transducer for telemetry and communications in the 9-15kHz frequency range. These enhanced transducers meet demands created by advances in acoustic communications requiring wider bandwidths, higher efficiencies and higher sensitivities. Seemingly identical in appearance to the standard range CTG0052, the new range employs enhanced acoustic motor technology, revolutionizing performance. CTG1330-0001 
 Communications Transducer
8 & 12kHz
139dB
Full ocean depth
Download CTG1330-0001 Communications Transducer Datasheet
The CTG0052 acoustic transducer is the industry standard transducer for telemetry and communications, in the 9-15 kHz frequency range. The range of transducers in this series covers the spectrum of telemetry, telephony or acoustic source needs in the underwater environment. CTG0052-0001 
Broadband Transducer
8 / 13kHz
132/138dB
Full ocean depth
Download CTG0052-0001 Broadband Transducer Datasheet
The CTG0091 acoustic transducer is partner to our highly successful CTG0052 transducer series and fulfils a variety of telemetry and broadband projector source needs over the 4 to 12kHz band. CTG0091-0001 
LF Broadband Transducer 		 
4.5/7kHz
133dB
1400m
Download CTG0091-0001 LF Broadband Transducer Datasheet
Go to CTG0703 Directional Projector web page CTG0703 Directional Projector
Small rugged echo sounder 		 
174KhZ 
168dB 
400m 
Download CTG0703 Directional Projector datasheet
Go to CTG1255 Directional Projector CTG1255 Directional Projector 
Miniaturised transducer 		 
 174kHz
151dB 
400m & 600m 
Download CTG1255 Directional Projector Datasheet
Go to CTG1356 Sidescan Sonar webpage CTG1356 Sidescan Sonar
Miniaturised transducer 		 
 100 & 305kHz
166/164dB 
2000m 
Download CTG1356 Sidescan Sonar datasheet

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