233 Cecil A. Malone Drive · Ithaca, New York 14850
Phone ( 607 ) 277 - 8498 · FAX ( 607 ) 277 - 8499
Hydrophone Preamplifiers

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Standard products include a full line of low noise preamplifiers used in underwater electro-acoustic and seismic applications.
Preamplifiers are encapsulated and hermetically sealed in cylindrical enclosures.
They have a wide range of specifications as described below:

· Gain 6 dB to 50 dB
· Frequency From  0.05 Hz ( Low )  to   >  500 kHz ( High )
· Phase Matching Available to ± 1 degree
· Input Impedance To 1500 Megohms, DC or AC-coupled
· Noise To -172 dBV
· Output Single-ended and differential
· Output Drive ( Line Driving Capability ) To 65 mA
· Distortion Less than 0.05%
· Calibration Standard
· Temperature Range - 45°C to 105°C
· Depth Range To 1000 meters
· Connectors

A variety of connector options are available to meet your specific application requirements
· Construction Metal enclosure, hermetically-sealed

Complete testing of each preamplifier is provided prior to delivery.
All test data is maintained on file at DL Instruments
( Copies can be provided with your shipment if required )
All preamplifiers come with a one-year warranty.
DL Instruments would be pleased to assist in your preamplifier application requirements.

Please Contact Our Sales Department For All Inquiries

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