CHC X91+ high accuracy used topographic surveying instruments

  GNSS Characteristics

·  220 channels with simultaneously tracked satellite signals

− GPS: L1C/A,L2C, L2E, L5

−        GLONASS: L1C/A, L1P, L2C/A, L2P

−        SBAS: WAAS, EGNOS, MSAS

−        Galileo: GIOVE-A and GIOVE-B

·  Advanced multipath mitigation

·  Low noise carrier phase measurement

·  Real Time Kinematics (GPS RTK)

−        Horizontal: 10mm+1ppm RMS

−        Vertical: 20mm+1ppm RMS

−        Initialization time: 10s

−        Initialization reliability: typical >99.9%

·  Post Processing Static

−        Horizontal: 2.5mm+1ppm RMS

−        Vertical: 5mm+1ppm RMS

−        Baseline Length: ≤300km

    Communications

·  1x RS232 serial port and 1x high-speed USB   gps rtk

·  Integrated GSM/GPRS modem

·  Integrated Bluetooth ® communications port

·  Optional radio modem

−        CHC Datalink: 1W-20W adjustable

−        Bandwidth: 410-430 / 430-450 / 450-470 Mhz

Protocols  gps rtk

−        RTCM2.1, RTCM2.3, RTCM3.0, CMR, CMR+ input and output

−        NMEA0183 and GSOF outputs

−        RINEX and HCN outputs for GPS raw data

    Physical

·  Size (H×D):  80mm×180mm

·  Weight: 1.25Kg with battery

·  Working Temperature: -30 °C − +65 °C

·  Storage Temperature: -40 °C − +75 °C

·  Humidity: 100% condensation

·  Dustproof: IP67

·  Waterproof : protected from temporary immersion to depth of 1 meter floats.

·  Shock : survives a 2−meter drop on to concrete

    Electrical

·  Typical power consumption: 2.6W

·  Battery capacity : 2200mAh  

·  Operating  times on  internal battery  : 5 hours

·  External power input : 9-18VDC

    Software (optional)

· CHC’s Landstar field data collection software
· Carlson’s SurvCE field data collection software