CHCNAV i93 Versatile, Efficient And Easy-To-Use Visual IMU-RTK (1408CH)

GNSS Performance:

Channels: 1408 channels

GPS: L1C, A, L2C, L2P(Y), L5

Galileo: E1, E5a, E5b, E6

GLONASS: L1, L2, L3

BeiDou: B1I, B2I, B3I, B1C, B2a, B2b

QZSS: L1, L2, L5, L6

PPP: B2b-PPP

SBAS (EGNOS Support): L1, L5

GNSS Accuracies

Real time kinematic (RTK)

H: 8 mm + 1 ppm RMS

V: 15 mm + 1 ppm RMS

Initialization time: <10 s

Initialization reliability: >99.9%

Post-processing kinematic (PPK) : H: 3 mm + 1 ppm RMS; V: 5 mm + 1 ppm RMS

High-precision static: H: 2.5 mm + 0.1 ppm RMS ;V: 3.5 mm + 0.4 ppm RMS

Static and rapid static: H: 2.5 mm + 0.5 ppm RMS; V: 5 mm + 0.5 ppm RMS

Code differential: H: 0.4 m RMS | V: 0.8 m RMS

Autonomous: H:1.5 m RMS | V: 2.5 m RMS

Visual survey: Typical 2~4 cm, range 2~15 m

Positioning rate (3): 1 Hz, 5 Hz and 10 Hz

Time to first fix (4): 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(6) (according to IEC 60529)

Drop: Survive a 2-meter pole-drop

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 (5):

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: 25 fps

Image group capture:

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

Datasheet