Welcome To Seismic Source Company

Seismic Source Company is a manufacturer of seismic instruments and data acquisition systems. Its products are used in a broad range of applications: Seismology, Structural Monitoring, Seismic Site Evaluation, Civil Engineering, Gas and Oil Exploration, Industrial Vibration Monitoring.


bd3 hydro
On-Site Hydrophone Testing
Versatile Quality Control System

General Purpose QC Tool:

32-bit, high speed, ADC chip for lower noise and increased accuracy

Three different operation with a single unit

8 Gigabytes of Data Storage, Expandable to 16

GPS based time and location saved for every record

Stable and rugged unit for use in all conditions

Three-Channels, unit checks three at once to save time and effort

All test data saved in non-volatile memory for later download and retrieval

Connects to PC via Ethernet or optional Wi-Fi to download results for display, analysis,
report generation and archival

bd3 hydro

Hydrophone Testing Features:

QC equipment in the field (although in a dry setting)

QC individual hydrophones or streamer sections

Uses calibrated sound standard as reference (provided with system)

Assures clients that hydrophones are functioning correctly




Hydrophone QC Software:

Measures electrical and acoustic properties

Verifies hydrophone accuracy and output

Records and Prints all Test Results

Bird Dog 3 Tests and Limits
 Test  Range  Accuracy  Resolution
 Frequency  1-100 Hz  ±0.2 Hz  ±0.01 Hz
 Phase  -  -  -
 Resistance  10-10,000 Ohms  ±1 %  ±0.1 Ohm
 Sensitivity  -100% to +100%  ±2 %  ±0.001%
 Distortion  0-20%  ±2 %  ±0.01 %
 Damping  0.1-0.9  ±1 %  ±0.001
 Leakage  1-100 MOhm  ±1 %  ±0.1 MOhm
 Noise  -  -  -

Hydrophone QC System Includes:

Three Channel Bird Dog3 Unit

Bird Dog 3 Hydrophone QC kit with:

  • Hydrophone Sound Tube – Provides Uniform Input to Hydrophone Elements
  • Hydrophone Amplifier – Matches Hydrophone Output to BD3-3
  • Hydrophone Cable Set – Matching cables and connectors for hydrophones and tester
  • Power Cable
  • CAT5 Computer Interface Cable
General Bird Dog 3 Specifications:



32 bit high-speed sigma delta converter

Dynamic Range


126 dB



0.0012 %



Better than -125 dB



> 100 dB

Noise Floor (@2ms)


< 0.09 μV RMS

Input Impedance


20k Ohms

Sample Rate


0.25, 0.5, 1, 2, 4, 8 ms

Tests Types


Geophones, Hydrophones and Vibrator Accelerometers


# Channels





-40°C to +85°C



0 to 100%



14.0x5.5x3 in. (356 x 140 x 76 mm)



3.4 lbs (1.55 kg)

Data Storage (Internal 8GB CF)


480 hours for 3 channels @ 2ms

VibQC Option


±12 Volt Input


  Bird Dog 3 Hydrophone Test Option Brochure Download Bird Dog 3 Hydrophone Test Option Brochure

Seismic Source Co

2391 E. Coleman Rd.
Ponca City, OK 74604
Phone: (580) 762-8233
Fax: (580) 762-1785
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