The CHCNAV i93 is an IMU-RTK GNSS receiver with dual cameras for topographic, boundary and as-built surveys. It can operate as either an RTK rover or a base station.
The dual cameras let crews measure hard-to-reach points from a distance and use augmented reality to guide stakeout. The receiver also captures panoramic video for 3D modelling.
Multi-band GNSS tracking and CHCNAV’s iStar algorithm support positioning in challenging environments. The 200 Hz Auto IMU compensates for pole tilt, and the specified RTK precision is 8 mm horizontally and 15 mm vertically.
PointSky delivers corrections via L-band satellite in covered regions without a local base station or cellular connection. The i93 includes one year of PointSky service, with specified precision of 2.5 cm horizontally and 5 cm vertically.
Integrated 4G LTE and a 410–470 MHz UHF transmit-and-receive radio support network and radio RTK. Bluetooth, Wi-Fi and NFC provide additional connectivity options.
The i93 weighs 1.15 kg and runs for up to 34 hours in RTK rover mode. It features IP68 dust and water protection, 2-metre drop resistance and an operating temperature range of −40°C to +65°C.
Size Guide
| Size | US | Bust | Waist | Low Hip |
|---|---|---|---|---|
| XS | 2 | 32 | 24 - 25 | 33 - 34 |
| S | 4 | 34 - 35 | 26 - 27 | 35 - 26 |
| M | 6 | 36 - 37 | 28 - 29 | 38 - 40 |
| L | 8 | 38 - 29 | 30 - 31 | 42 - 44 |
| XL | 10 | 40 - 41 | 32 - 33 | 45 - 47 |
| XXL | 12 | 42 - 43 | 34 - 35 | 48 - 50 |
Measuring Tips
Measure around the fullest part of your bust.
Measure around the narrowest part of your torso.
With your feet together measure around the fullest part of your hips/rear.
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