Unmaned Surface Vehicles
Echo Sounders
Side Scan Sonars
Underwater Sensor
Acoustic Doppler Current Profilers
Marine positioning equipment
Total Stations
Electronic Theodolites
Digital Levels
Automatic Levels
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Prisms/Tripods/Poles/Staffs...
Automatic Deformation Monitoring Systems
Environmental Monitoring Systems
Relevant Sensors
Pipe & Cable Locator
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Auto Steering
Track Geometry Measuring Trolley Systems
Automated Tunnel Scanning & Inspection Systems

Model: Compass 3
Features
Specification

| System | Operating system |
Linux |
| CPU | A5 | |
| Memory |
512MB RAM, 8GB ROM |
|
| Storage | - | |
| GNSS performance | Channels |
184 |
| GPS |
L1, L2 |
|
| GLONASS |
L1, L2 |
|
| BDS |
B1, B2 |
|
| GALILEO |
E1, E5 |
|
| SBAS | - | |
| QZSS |
L1, L2 |
|
| Data output |
NMEA-0183, TSIP |
|
| I/O protocol |
RTCM3/ RTCA/ CMR |
|
| Update rate |
1Hz |
|
| Reacquisition | - | |
| Warm start | 2s | |
| Cold start | 24s | |
| Accuracy | Single positioning | 2.5m |
| SBAS positioning | - | |
| DGNSS | - | |
| RTK(baseline<30km) |
2cm + 1ppm (CEP) |
|
| Multimedia | Camera | - |
| Display | - | |
| Sensor | - | |
| Other function | - | |
| Extended function(optional) | - | |
| Communication | network |
4G (Nano-SIM card) |
| Bluetooth |
Bluetooth v2.1 + EDR/ v4.1 |
|
| WIFI |
802.11b/g |
|
| USB |
Type-C, support OTG |
|
| Electrical | Battery |
3.8V 4800mAh |
| Battery life | - | |
| Battery charging | - | |
| Environment | Waterproof/Dustproof |
IP67 |
| Shockproof | 1.5m | |
| Humidity | - | |
| Operating temperature |
-20℃ ~ 60℃ |
|
| Storage temperature |
-30℃ ~ 70℃ |
|
| Physical | Dimension |
154mm(L) × 68mm(W) × 32mm(H) |
| Weight | 273g |
Note: all information above is subject to change without any prior notice.
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