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Hydrophone TC4042

Low-Noise Spherical Hydrophone

TC4042

· Wide frequency range · Spherical differential sensor · Differentialin/outputamplifier · Single or differential output · Self supporting cables to 1000m · IVC calibration

The TC4042 is a spherical, low-noise hydrophone with 20dB differential preamplifier. The hydrophone provides a single output mode. The single-end output mode is established with a four conductor cable. The built-in preamplifier has the capability of driving cables of more than 1km. The TC4042 features an insert voltage calibration facility (IVC), which enables remote testing of the hydrophone condition.

TECHNICAL SPECIFICATIONS

Receiving Sensitivity, typical: Useable frequency range: Linear frequency range: Horizontal directivity: Vertical directivity: Max. operating depth: Survival depth: Operating temperature range: Storage temperature range: Preamplifier gain: Max. voltage output: Current consumption: Output impedance: High pass filter: Low-pass filter: Hydrophone weight: Housing material: Encapsulating polymer: -173dB re 1V/uPa (2.2 mV/Pa) 5Hz to 85kHz 15Hz to 45kHz +1/-5dB ±2dB at 40kHz ±3dB at 40kHz over 270 deg. 1000m 1200m -2°to +55°C -30°to +70°C +20dB 3Vrms (at 12V supply) 7Vrms (at 24V supply) 9mA (at 12V supply) 22mA (at 24V supply) 10Ohms + 100µF 15Hz (­3dB) 150KHz (-3dB) 450gr. Alu Bronze AICu1ONi5Fe4 Special formulated NBR

NBR means Nitrile Rubber The NBR rubber is first of all resistant to sea and fresh water but also resistant to oil. It is limited resistant to petrol, limited resistant to most acids and will be destroyed by base, strong acids, halogenated hydrocarbons (carbon tetrachloride, trichloroethylene), nitro hydrocarbons (nitrobenzene, aniline), phosphate ester hydraulic fluids, Ketones (MEK, acetone), Ozone and automotive brake fluid.

Hydrophone TC4042

Low-Noise Spherical Hydrophone

Documentation: Individually calibration curves: Sensitivity at ref.: frequency: 250Hz Receiving sensitivity: At 5kHz to 90kHz Vertical directivity: At 40kHz Horizontal directivity: At 40kHz

Horizontal Directivity Pattern TC4042 Receiving Directional

Response

o

Receiving Sensitivity [dB re 1V/µPa @ 1m]

-150

-30

o

o

0

o

R eceiving S ens itivity [dB re 1V/µP a @ 1m]

0 dB -3 dB -10 dB

30

-155 -160

-60

-20 dB -30 dB

60

o

-165 -170 -175 -180

-90

o

-40 dB

90

o

-185 -190 -195 3605061\S ens itivity/OC V \1\Try 1

-120

o

120

o o

o

-200

6

8

10

20

40

60

80

F requency [kHz]

-150

-180

o

150

40kHz

TC4042 Receiving Directional Response Vertical Directivity Pattern

-30

o -20 dB -30 dB o

0

o

Typical Equivalent Noise Pressure Curve Typical equivalent noise pressure curve

80 Seastate zero TC4042 (re output) Wenz's minimum Thermal water noise 70

Hydrophone type TC4042

0 dB -3 dB -10 dB

30

o

dB re 1 µPa / Hz

60 50 40 30 20

-60

60

o

-90

o

-40 dB

90

o

10 0 10 100 1000 Frequency [Hz] 10000 100000

-120

o

120

o o

o

-150

-180

o

150

40kHz

Hydrophone TC4042

Low-Noise Spherical Hydrophone

Outline Dimensions

Electrical Diagram

Note: Insert calibration: The recommended insert calibration voltage is 2Vp. Insert voltage signal attenuation: -30dB. Too high insert voltage may damage the insert resistor do not exceed 5Vp.

Hydrophone TC4042

Low-Noise Spherical Hydrophone

Accessories

TL8058 Std.: 10m extension Weight in air 1700g Opt.: Different length on request

TL8059 Std.: 10m extension Weight in air 1800g Opt.: Different length on request

For information on export control regulations on this product, please refer to www.reson.com

RESON reserves the right to change specifications without notice. © 2005 RESON A/S For Acoustical Measurement Accuracy please refer to www.reson.com or contact sales.

RESON A/S Denmark Tel: +45 4738 0022 E-mail: [email protected] RESON GmbH Germany Tel: +49 431 720 7180 [email protected]

RESON Inc. USA Tel: +1 805 964-6260 E-mail: [email protected] RESON B.V. The Netherlands Tel: +31 (0)10 245 1500 [email protected]

RESON Offshore Ltd. United Kingdom Tel: +44 1224 709 900 E-mail: [email protected] RESON (Pte.) Ltd Singapore Tel: +65 6725 9851 [email protected]

Version: B118 070711 / A4

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