| System | SIR 4000 |
| Antennas | Compatible with all GSSI antennas |
| Number of Channels | Records data from 1 single-frequency antenna or 1 dual-frequency antenna |
| Data Storage | 32 GB Flash, 1 GB RAM |
| Display | 10.4” LED |
| GPS | Data logged internally |
| Display Modes | Linescan, Full 3D |
| Environmental Rating | IP64 |
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| Data Acquisition | |
| Data Format | RADAN® (dzt) |
| Output Data Format | 32-bit |
| Scan Interval | User-selectable, up to 4000 scans/sec |
| Number of Samples per Scan | 256, 512, 1024, 2048, 4096, 8192, 16384 |
| Operating Modes | Continuous (time) or survey wheel (distance triggered) or point mode |
| Time Range | 0-20,000 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 Filters | Infinite Impulse Response (IIR) – Low and High Pass, vertical and horizontal – Finite Impulse Response (FIR) – Low and High Pass, vertical and horizontal |
| Advanced Real-Time Filters | Migration, Surface Position Tracking, Signal Noise Floor Tracking, Adaptive Background Removal |
| Automatic System Setups | Storage of an unlimited number of system setup files for different survey conditions and/or antenna deployment configurations |
| Automatic Antenna Recognition | Automatic recognition of Smart Antennas to allow maximum compliant transmit rate |
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| Languages | English, Chinese, Japanese and French |
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| Operating | |
| Operating Temperature | -20°C to 40°C (-4°F to 104°F) |
| Battery | Inspired Energy Ni2040ED, 3 hour runtime (battery life dependent on level of display brightness) |
| Transmit Rate | Up to 800 KHz (International) US/Canada and CE rates depend on antenna model |
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| Input/Output | |
| Available Ports | Analog and Digital, RS232, HDMI, Ethernet to PC, USB 2.0 port and mini USB |
| Ethernet | RJ45 100BT Ethernet |
| USB Host | USB host with external keyboard support, USB flash drive support and USB HUB support |
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| Mechanical | |
| Dimensions | 14x10x2.75 in (36x25x7 cm) |
| Weight | 10 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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