Deskripsi
CHCNAV i93 Extreme GNSS Performance
The i93 GNSS receiver is an extremely versatile RTK that integrates the latest GNSS, IMU, and premium dual-camera technologies for a more compelling user experience. Its 3D visual stakeout feature provides unparalleled ease of use and comfort, boosting efficiency for any construction site layout project. Visual survey with video-photogrammetry technology enables accurate point measurements and access to previously hard-to-reach, signal obstructed, and hazardous points. The i93 GNSS can be used to complement aerial surveys generated from oblique imagery since its data is compatible with the most popular 3D modeling software. The i93 GNSS receiver is powered by the innovative CHCNAV iStar GNSS RTK algorithm, multi-band GNSS channels, and hybrid engine for reliable, high accuracy positioning in even the most challenging site conditions. The Auto-IMU of i93 features automatic initialization, eliminating the hassle of manual initialization and simplifying surveying operations in the field. The i93 is the ideal solution for completing tasks faster, more accurately, and more efficiently.
Features
Visual Surveying
- Dual cameras extract survey-grade 3D coordinates improving measurement efficiency.
Visual Stakeout
- Guidance by a clear, eye-catching directional information.
3D Modeling
- Dynamic panoramic video capture.
Auto-IMU Technology
- 200 Hz Auto-IMU for automatic pole tilt compensation.
Specifications
GNSS Performance |
|
| Channels | 1408 channels |
| GPS | L1C, A, L2C, L2P(Y), L5 |
| GLONASS | L1, L2, L3 |
| Galileo | E1, E5a, E5b, E6 |
| BeiDou | B1I, B2I, B3I, B1C, B2a, B2b |
| QZDSS | L1, L2, L5, L6 |
| PPP | B2b-PPP |
| SBAS | L1, L5 |
GNSS Accuracies |
|
| Real Time Kinematics (RTK) | Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS Initialization time: < 10 s Initialization reliability: >99.9% |
| Post – Processing Kinematics (PPK) | Horizontal: 3 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS |
| High-Precision Static | Horizontal: 2.5 mm+ 0.1 ppm RMS Vertical: 3.5 mm+ 0.4 ppm RMS |
| Static and Rapid Static | Horizontal: 2.5 mm + 0.5 ppm RMS Vertical: 5 mm + 0.5 ppm RMS |
| Code Differential | Horizontal: 0.4 m RMS Vertical: 0.8 m RMS |
| Autonomous | Horizontal: 1.5 m RMS Vertical: 2.5 m RMS |
| Visual Survey | Typical 2~4 cm, range 2~15 m |
| Positioning Rate | 1 Hz, 5 Hz and 10 Hz |
| Time to First Fix | Cold start: < 45 s Hot start: < 10 s Signal re-acquisition: < 1 s |
| IMU Update Rate | 200 Hz |
| Till Angle | 0-60° |
| RTK Tilt-Compensated | Additional horizontal pole-tilt uncertainty typically less than 8 mm + 0.7 mm/° tilt |
Environments |
|
| Temperature | Operating: -40°C to +65°C (-40°F to +149°F) Storage: -40°C to +85°C (-40°F to +185°F) |
| Humidity | 100% non-condensation |
| Ingress Protection | IP68 (according to IEC 60529) |
| Vibration | Compliant with ISO 9022-36-08 and MIL-STD-810G- 514.6-Cat.24. |
| Waterproof and Breathable Membrane | Prevent water vapor from entering under harsh environments |
Electrical |
|
| Power Consumption | UHF/ 4G RTK Rover w/o camera: Typical 2.8 W Visual Stakeout/Visual Survey: Typical 4 W |
| Li-ion Battery Capacity | Built-in non-removable battery 9,600 mAh, 7.4 V |
| Operating Time on Internal Battery | UHF/ 4G RTK Rover w/o camera: up to 34 h Visual Stakeout/Visual Survey: up to 24 h UHF RTK Base: up to 16 h Static: up to 36 h |
| External Power Input | 9 V DC to 24 V DC |
Hardware |
|
| Size (D x H) | Φ 152 x 81 mm (Φ 5.98 x 3.19 in) |
| Weight | 1.15 kg (2.54 lb) |
| Front Panel | 1.1” OLED Color Display 2 LED, 2 physical buttons |
| Tilt Sensor | Calibration-free IMU for pole-tilt compensation. Immune to magnetic disturbances. E-Bubble leveling. |
Cameras |
|
| Sensor Pixels | Global shutter with 2 MP & 5 MP |
| Field of View | 75° |
| Video Frame Rate | Method: video photogrammetry. Rate: typically 2 Hz, up to 25Hz. Max. capture time: 60s with an image group size of appr. 60MB. |
| Illumination | Starlight-grade camera. OmniPixel®-GS technology. Maintain full color at illumination levels as low as 0.01 lux |
Communication |
|
| SIM Card Type | Nano-SIM card |
| Network Modem | Integrated 4G modem: TDD-LTE, FDD-LTE, WCDMA, EDGE, GPRS, GSM |
| Wireless Connection | NFC for device touch pairing |
| Wi-Fi | Wi-Fi IEEE 802.11a/b/g/n/ac, access point mode |
| Bluetooth® | 5.0 and 4.2 +EDR, backward compatible |
| Ports | 1 x 7-pin LEMO port (RS-232) 1 x USB Type-C port (external power, data download, firmware update) 1 x UHF antenna port (TNC female) |
| Built-in UHF Radio | Rx/Tx: 410 – 470 MHz Transmit Power: 0.5 W to 2 W Protocol: CHC, Transparent, TT450, Satel Link rate: 9 600 bps to 19 200 bps Range: Typical 3 km to 5 km, up to 15 km with optimal conditions |
| Data Formats | RTCM 2.x, RTCM 3.x, CMR input / output HCN, HRC, RINEX 2.11, 3.02 NMEA 0183 output NTRIP Client, NTRIP Caster |
| Data Storage | 32 GB internal memory. Support 128 GB external expansion |
| Compliance with Laws and Regulations | |
| International Standards | NGS Antenna Calibration, IEC 62133-2:2017+A1, IEC 62368-1:2014, UN Manual Section 38.3 |
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