SIR 4000

SIR 4000

Rugged, High-Performance GPR Controller

The SIR® 4000 is GSSI’s first high-performance GPR data acquisition system designed to operate with analog and digital antennas. This evolutionary step allows for true versatility and flexibility by supporting a wide range of users across numerous applications.

  • Number of Channels


  • Antenna Options

    Compatible with GSSI digital and analog antennas

  • Weight

    4.5 kg (10 lbs)

  • Storage Capacity

    32 GB

  • Optional Software
  • Accessories

    SIR 4000 harness, SIR 4000 stand

Typical Uses
The SIR 4000 is typically used for:
  • Utility designation
  • Concrete inspection
  • Mining and geology
  • Environmental assessment
  • Archaeology
  • Forensics
System Includes
  • SIR 4000 Control Unit
  • Sunshade
  • Lithium-ion batteries (2)
  • Dual-bay battery charger
  • Transit case
  • User Manual
  • 2-year warranty
Upcoming Training Events
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SIR 4000 - Hero
Accurate and reliable results
The SIR 4000 offers unique collection modules, including Quick 3D, UtilityScan, StructureScan, and Expert Mode for efficient data collection and visualization.
  • SIR 4000 - Feature 1

    Modular Design, Flexible Solutions

    The SIR 4000 control unit works with all GSSI digital and analog antennas, making it the best unit for all applications and solutions.

  • Premier Software Features

    The SIR 4000 offers a user interface that is easy to navigate and has plug-and-play GPS integration. It also incorporates advanced display methods and filtering capabilities for in-the-field processing.

Data Examples
SIR 4000 - Data Example 1
Data Collection Modes

This data illustrates multiple utilities at various depths, data collected at GSSI’s test pit. The red squares highlight the SIR 4000 target marking feature.

3D Visualization

This is a screen image from the SIR 4000 control unit, using the 2.6 GHz antenna. Data represents a simulated post-tension (PT) cable environmnet. PT cable was crossed at 45-degree angles for illustrative and testing purposes.

AntennasCompatible with all GSSI antennas
Number of ChannelsRecords data from 1 single-frequency antenna or 1 dual-frequency antenna
Data Storage32 GB Flash, 1 GB RAM
DisplayEnhanced 10.4" LED display with internal high brightness, Active matrix 1024 x 768 resolution and 32-bit color
GPSData logged internally
Display ModesLinescan, Linescan plus O-scope, Wiggle trace Full 3D, 256 color bins are used to represent the amplitude and polarity of the signal
Environmental RatingIP65
Data Acquisition
Data FormatRADAN® (dzt)
Output Data Format32-bit
Scan IntervalUser-selectable, up to 400 scans/sec
Number of Samples per Scan256, 512, 1024, 2048, 4096, 8192, 16384
Operating ModesContinuous (time) or survey wheel (distance triggered) or point mode
Time Range0-20,000 nanoseconds full scale, user-selectable Gain: manual adjustment from -42 to +126 dB Number of segments in gain curve is user-selectable from 1 to 8
Standard Real-Time FiltersInfinite Impulse Response (IIR) - Low and High Pass, vertical and horizontal - Finite Impulse Response (FIR) - Low and High Pass, vertical and horizontal
Advanced Real-Time FiltersMigration, Surface Position Tracking, Signal Noise Floor Tracking, Adaptive Background Removal
Automatic System SetupsStorage of an unlimited number of system setup files for different survey conditions and/or antenna deployment configurations
Automatic Antenna RecognitionAutomatic recognition of Smart Antennas to allow maximum compliant transmit rate
LanguagesEnglish, Chinese, Japanese, French
Operating Temperature-20°C to 40°C external (-4°F to 104°F)
BatteryInspired Energy Ni2040ED, 3 hour runtime (battery life dependent on level of display brightness)
Transmit RateUp to 800 KHz (International) US/Canada and CE rates depend on antenna model
Available PortsAntenna inputs analog and digital (one at a time), DC power input, Serial RS232 (GPS port), Accessory connector, HDMI video output, Ethernet to PC, USB 2.0 port, mini USB
EthernetRJ45 100BT Ethernet
USB HostUSB host with external keyboard support, USB flash drive support and USB HUB support
Dimensions14x10x2.75 in (36x25x7 cm)
Weight10 lbs (4.53 kg) including battery
Relative Humidity<95% non-condensing
Storage Temperature-40°C to 60°C (-40°F to 140°F)
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