Deskripsi
CHCNAV i73+ Pocket IMU-RTK
The i73+ GNSS is an extremely compact, powerful and versatile GNSS receiver with integrated UHF Tx/Rx modem which can be used either as a base station or as a rover. Powered by CHCNAV iStar technology that optimally tracks satellite signals from all constellations, the i73+ GNSS achieves survey-grade, fixed RTK centimeter positioning within 30 seconds after power-up. Its automatic pole tilt compensation increases the efficiency of point measurements by up to 20% and stakeout surveys by up to 30%. Easy to carry in one hand, the i73+ GNSS is an effective, lightweight GNSS solution that adapts to a variety of jobsite configurations, making intensive field surveys more convenient and also less tiring for the operator.
Features
1408-Channel GNSS
- GPS, GLONASS, Galileo, BeiDou, QZSS, SBAS constellations.
Tilt Compensation
- 3 cm accuracy up to a 60-degree pole tilt.
Base + Rover
- Built-in UHF for base and rover operations.
Specifications
GNSS Performance |
|
| Channels | 1408 channels |
| GPS | L1C/A, L2P (Y), L2C, L5 |
| GLONASS | L1, L2, L3* |
| Galileo | E1,E5a,E5b,E6* |
| BeiDou | B1I, B2I, B3I, B1C, B2a, B2b |
| QZDSS | L1C/A, L1C, L2C, L5 |
| NavIC/IRNSS | L5 |
| 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 + 0.1 ppm RMS Vertical: 5 mm + 0.5 ppm RMS |
| Code Differential | Horizontal: 0.4 m RMS Vertical: 0.8 m RMS |
| Autonomous | Horizontal: 1 m RMS Vertical: 1.5 m RMS |
| 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 |
Hardware |
|
| Size (L x W x H) | 119 mm x 119 mm x 85 mm (4.7 in × 4.7 in x 3.3 in) |
| Weight | 0.73 kg (1.60 lb) |
| Environment | 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 | IP67 waterproof and dustproof, protected from temporary immersion to depth of 1 m |
| Shock | Survive a 2-meter pole drop |
| Tilt Sensor | Calibration-free IMU for pole-tilt compensation. Immune to magnetic disturbances. E-Bubble leveling |
Communication |
|
| Wi-Fi | 802.11 b/g/n, access point mode |
| Bluetooth ® | v 4.2 |
| Others | NFC |
| Ports | 1 x USB Type-C port (external power, data download, firmware update) 1 x UHF antenna port (TNC female) |
| UHF Radio | Standard Internal Rx/Tx: 410 – 470 MHz Transmit Power: up to 0.5 W, 1W Protocol: CHC, Transparent, TT450, Satel Link rate: 9600 bps / 19200 bps Range: Typical 5 km to 8 km, up to 25km with optimal conditions |
| Data Formats | RTCM2.x, RTCM3.x, CMR input /output HCN, HRC, RINEX2.11, 3.02 NMEA 0183 output NTRIP Client, NTRIP Caster |
| Data Storage | 8 GB internal memory |
Electrical |
|
| Power Consumption | 12 W (depending on user settings) |
| Li -ion Battery Capacity | Built-in non-removable battery 6,800 mAh, 7.4 V |
| Operating Time on Internal Battery | RTK Rover: up to 24 h UHF RTK Base: up to 10.5 h Static: up to 25 h |
Certifications |
|
| CE Mark; FCC Part 15 Subpart B Class B; NGS Antenna Calibration | |
Ulasan
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