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.


Bird Dog3 WiFi+
Geophone Testing – Hydrophone Testing – Vibrator Testing
Versatile Quality Control System - Three Test Units in One!

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-Component Test Mode, checks 3 elements 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, provides control,
data download and real time display and analysis
of data and results

Bird Dog III Front

Operation Modes:

Geophone Tests: QC individual element or strings of geophones - Measures Resistance, Impedance, Sensitivity, Distortion, Polarity, Damping Frequency and Leakage, verifies polarity and performance

Hydrophone Tests: QC individual hydrophones or streamer sections - Measures electrical and acoustic properties, verifies accuracy and output

Vibrator Tests: QC vibrator performance in the field, using independent accelerometers - Includes amplitude and phase displays, force and distortion analysis, verifies correct ground force calculation and polarity


Included Software Features:

Includes "Test" Software for Geophones Testing

  • Time Domain and Frequency Domain
  • Records and Prints all Test Results

Includes "Test" Software for Hydrophones Testing

  • Sweep Test – Phase and Amplitude Errors
  • Pulse Test – Measure Differences from Stored Response

Includes "Vibrator QC Software" for Vibrator Analysis

  • Time and Frequency Domain Tests
  • Measures Output Force and Phase Error
  • Measures Distortion and Start Time Differences
Bird Dog

Bird Dog System Options:

Standard BD3-3

  • BD3-3 Unit
  • Geophone Wiring Harness – Connects Three Elements or Geophone Strings to unit

BD3-3 with Vibrator QC Kit

  • BD3-3 Unit
  • Two Magnetic Accelerometers
  • Vibrator Interface Box – Connects True Reference and independent accelerometers to Bird Dog unit
  • Records pilot signal, reaction mass acceleration, baseplate acceleration and ground force signals

BD3-3 with Hydrophone QC Kit

  • BD3-3 Unit
  • 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
Bird Dog III Specifications:



32 bit high-speed sigma delta converter

Anti-Alias Filters


85% of Nyquist frequency

Low Cut Filter


User Selectable – DC, 0.1 Hz, 2 Hz

Filter Type


User Selectable – Linear, Minimum Phase

Sample Rates


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

Max Input @ High Gain


0.31 Volts peak to peak

Max Input @ Low Gain


5.00 Volts peak to peak

Power Wake/Sleep


0.48/0.01 watts per channel

Input Impedance


20k Ohms

Clock Sync


GPS or VHF/Wire

Test 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

Data Format


32-bit float IEEE SEG-Y/SEG-D



GPS/Recording LED, Battery LED

VibQC Option


+/- 12 Volt Input


Dynamic Range


126 dB



0.0012 %



Better than -125 dB



> 100 dB


  Bird Dog 3 Brochure Download Bird Dog 3 Brochure (English Version)
  Bird Dog 3-3 Brochure Download Bird Dog3-3 Channels Brochure (English Version)
  BirdDog 3-3 Brochure Download Bird Dog3-3 Channels Brochure (Chinese Version)

Seismic Source Co

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