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CHCNAV i85
![CHCNAV i85 - IMU-RTK GNSS Receiver with Laser Rangefinder [1]](https://gomagcdn.ro/domains3/zerovec.ro/files/product/original/chcnav-i85-866465.png "CHCNAV i85 - IMU-RTK GNSS Receiver with Laser Rangefinder [1]")
CHCNAV i85 is an IMU-RTK GNSS receiver with an integrated laser rangefinder, powered by the CHCNAV multi-constellation, multi-frequency GNSS chipset and iStar2.0 technology. It delivers reliable centimeter-level accuracy, including in built-up or obstructed environments.
The advanced IMU improves heading accuracy, and the combination of GNSS positioning and laser measurement enables fast and safe capture of inaccessible points.
Product Code:
C185
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| Specifications | |
|---|---|
| GNSS | |
| Channels | 1892 |
| Constellations | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC, SBAS (EGNOS) |
| Correction services | B2b-PPP, E6B-HAS, L-band PointSky |
| Positioning rate | 1, 5 and 10 Hz (10 Hz via future firmware) |
| Accuracy | |
| RTK | Horizontal 8 mm + 1 ppm, vertical 15 mm + 1 ppm (RMS) Initialization under 10 s, reliability above 99.9% |
| PPK | Horizontal 3 mm + 1 ppm, vertical 5 mm + 1 ppm (RMS) |
| PointSky | Horizontal 2.5 cm (CEP95), vertical 5 cm (RMS) |
| IMU and Tilt Compensation | |
| IMU | 200 Hz, calibration-free, resistant to magnetic disturbance |
| Tilt range | 0–60° |
| Laser Rangefinder | |
| Laser class | Class 3R (green laser) |
| Accuracy | High-accuracy mode: 2 cm within 5 m, 3 cm within 10 m Rapid mode: 3 cm within 5 m, 5 cm within 10 m |
| Cameras | |
| Cameras | Dual global-shutter cameras (2 MP and 8 MP), 91° field of view, autofocus, 30 fps video |
| Battery | |
| Battery | Rechargeable lithium, 7.2 V / 4900 mAh |
| Runtime | Rover without camera: up to 20 h Laser or visual stakeout: up to 15 h UHF base: up to 7.5 h (DistLink) or 10 h (other protocols) |
| Charging | Full charge in approx. 4.8 h; external input 5 V / 2 A |
| Physical | |
| Weight | 800 g |
| Dimensions | 134 mm diameter × 86 mm height |
| Ingress protection | IP68 (IEC 60529); survives a 2 m pole drop |
| Operating temperature | −40° to +65° C |
| Storage temperature | −40° to +85° C |
| Connectivity | |
| Communication | NFC, Bluetooth 4.2, Wi-Fi 802.11 b/g/n/ac (access point mode) |
| Built-in UHF radio | 410–470 MHz, 0.5 W or 1 W; typical range 6 km, up to 15 km with DistLink |
| Ports | 1 × USB Type-C, 1 × UHF antenna port (SMA male) |
| Memory | 8 GB internal |
| Data formats | RTCM 2.x/3.x, CMR, HCN, RINEX 2.11/3.02, NMEA 0183, NTRIP client and caster |
| Software | LandStar |
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