Zhonghai Da V90 Compact RTK Measuring Instrument

Technical Specifications

System Configuration
Operating System: Linux Operating System
Start time: 3 seconds
Data storage: Built in 16GB memory, supports larger 32GB SD card expansion
GNSS configuration
System kernel: Adopting a multi star system kernel
Number of channels: 220
BDS：B1、B2、B3
GPS：L1C/A、L1C、L2C、L2E、L5
GLONASS：L1C/A、L1P、L2C/A、L2P、L3
GALILEO: GIOVE-A and GIOVE-B, E1, E5A, E5B
SBAS：L1C/A、L5
QZSS、WAAS、MSAS、GAGAN
Output format: ASCII: NMEA-0183, binary code
Positioning output frequency: 1Hz~50Hz
Differential support: CMR, RTCM2. X, RTCM3.0, RTCM3.2
Static format support: GNS, Rinex dual format static data
Accuracy and reliability [1]
RTK positioning accuracy: Plane: ± (8+1 × 10 ¯ 6D) mm (D is the distance between the measured points)
Elevation: ± (15+1 × 10 ¯ 6D) mm (D is the distance between the measured points)
Static positioning accuracy: Plane: ± (2.5+0.5 × 10 ¯ 6D) mm (D is the distance between the measured points)
Elevation: ± (5+0.5 × 10 ¯ 6D) mm (D is the distance between the measured points)
DGPS定位精度：平面精度： ±0.25m+1ppm；
Elevation accuracy: ± 0.50m+1ppm
SBAS positioning accuracy: 0.5m
Initialization time:<10 seconds
Initialization reliability:>99.99%
Tilt measurement: within 30 °: ≤ 3cm
Built in communication
Built in 4G full network communication
TDD-LTE、FDD-LTE、TD-SCDMA、WCDMA、EDGE、GPRS、GSM
WiFi communication: 802.11b/g access point and client modes, providing WiFi hotspot services
Bluetooth communication
Built in transceiver radio:
Power: 1W/2W/5W adjustable, frequency range: 403MHz-473MHz
Transmission rate: 19.2kbps/9.6kbps adjustable, number of channels: 116 frequency bands adjustable
External radio station
Power: 5W/10W/20W/30W adjustable, radio frequency range: 450MHz-470MHz
Transmission rate: 19.2kbps/9.6kbps adjustable, number of channels: 116 frequency bands adjustable
user interface
Panel: Single button
Indicator lights: 3 LED lights: satellite light, communication light, power light
Advanced Application
IPOWER Intelligent Balance Skill Technology LBS、NFC
Intelligent Services: Voice Broadcast, Voice Guide, Function Self Check, DIY Voice
Remote services: remote upgrade, remote registration, remote data download
Electrical and Physical Characteristics
Battery: High capacity lithium battery 5000mAh/piece (2 pieces), detachable
Single battery network mobile station can work continuously for more than 10 hours [2]
Input voltage: DC 6-28VDC, with over discharge protection
Size: Φ 159mm × 77.5mm
Weight: ≤ 1.2kg (including battery)
Power consumption: 4.2W
Material: The shell is made of magnesium alloy material
Environmental characteristics
Dustproof and waterproof: IP68, can withstand temporary immersion under 2 meters of water, completely preventing dust from entering
Anti fall: resistant to a natural drop of 3 meters
Relative humidity: 100% anti condensation
Working temperature: -45 ℃~75 ℃
Storage temperature: -55 ℃~85 ℃
Note:
[1] The measurement accuracy and reliability are affected by various factors, including satellite geometric distribution, number of satellites, observation time, satellite ephemeris, ionospheric conditions, and multipath.
[2] The working time of the battery is related to the working environment, working temperature, and battery life.