GR-3
G3 GPS Receiver

 

Topcon’s GR-3 receiver, the next generation of system design and tracking technology, is now available with a completely new digital UHF radio system utilizing DSP technology. This technological advancement delivers far greater reliability and performance than older analog UHF technology of the past and sets new standards for performance, accuracy and innovative design.

 



G3 Technology

 

GR-3 is the World's first G3 (GPS, GLONASS, GALILEO) enabled receiver. It also supports other GNSS modernization signals like L2C, L5. This is a clear indication of Topcon's technology leadership.

 

 

Advanced System & Hardware Design

The award winning design of GR-3 brings the comfort of field operation.

Removable dual hot swappable batteries allow non-stop field operation in case you want to change battery. Smart Dual card slot for GSM SIM and SD Memory are small yet well protected for tough field use. UHF radio antenna mounted on top of GPS antenna center keeps its line of sight all the time and pole drop safe, comparing with body-side mount design.
  • » Hot-Swappable Batteries
  • » Li-ION Rechargeable or Alkaline
  • » Completely Cable-Free Design
  • » Convenient Quick-Snap
        pole mounting system
 Everything in One

 

GR-3, flagship model of Topcon, comes with everything surveyor needs. G3, Internal or external memory, hot swappable dual batteries, built-in telecommunication devices like UHF transmitter and receiver with digital configuration, and so on. Your safest choice of GNSS is GR-3.



Brochure

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Topcon At Work MEA


GR-3 in Abu Dhabi (UAE)
Movie

GR-3 G3/GNSS Receiver
GR-3 Product Video (English) (5:31)

Arabic - العربية



G3 Satellite Theater
G3 Satellite Theater (English) (8:29)



  • Specification
    click to expand / collapse
    Models / Package
    ModelsGR-3 GGD GSM with GSM / GPS/GLONASS / L1/L2 / RTK5Hz / AMR / standard kit
    GR-3 GD GSM with GSM / GPS / L1/L2 / RTK5Hz / AMR / standard kit
    GR-3 GGD with GPS/GLONASS / L1/L2 / RTK5Hz / AMR / standard kit
    GR-3 GD with GPS / L1/L2 / RTK5Hz / AMR / standard kit
    Stadanrd Kit
    battery x 2, Charger, Hardcase, Manual, Serial/USB cable, UHF antenna
    Tracking
    SignalGPS/GLONASS L1/L2/L5 C/A and P Code & Carrier, Gallileo E 1/2/5a and L1, WAAS/EGNOS
    GGD Model : GPS/GLONASS L1/L2 (C/A, P, Carrier)
    GD Model : GPS L1/L2 (C/A, P, Carrier)
    Other Signals : Optional (OAF upgrade)
    Channel72
    Cold Tracking<30 seconds
    Warm Tracking<5 seconds
    Reacquisition<1 seconds
    Accuracy
    Static3mm +.5ppm horizontal, 5mm + .5ppm vertical
    RTK/Kinematic10mm + 1 ppm horizontal, 15mm + 1 ppm vertical
    DGPS> .25m Post Processing, < .50m Real time
    RTK
    SpeedStandard: 5Hz
    Option: Upgradable to 10/20Hz by OAF software
    Other Onboard Technology
    OAF FeatureAdvanced Multipath Reduction
    Co-Op Tracking
    In-Band Interference Rejection (Optional)
    WAAS/IGNOS (Optional)
    Physical
    EnclosureMagnesium I-beam Housing, Waterproof construction
    DimensionsW: 158 x D: 158 x H: 234.5 mm
    Weight1.78 kg
    ColorTopcon Grey/Yellow
    Environmental
    Operating Temperature-20 to +50 degrees Celsius
    Storage Temperature-20 to +35 with batteries, -40 to +75 without batteries degrees Celsius
    WaterproofIP66
    Drop2 m
    Power
    Internal Battery2 Li-Ion, 3900mAh, 7.2V
    Operating Time14 Hours
    External Power1 port(s)
    Battery ChargerDual Li-Ion "Smart" charger with optional Alkaline battery pack. Charger doubles as external power source
    Communication
    BluetoothBluetooth standard 1.2
    USB1.1 Version
    Internal UHF RadioType : Digital
    TRx Transmitter/Receiver
    Frequency: 410-470MHz (configurable)
    Tx Transmitter Power : 1W
    Protocol : PacCrest PDL / Trimtalk / Simplex
    CellularInternal GSM / GPRS data modem with SIM slot
    Key and LED
    KeyTwo keys, Power ON/Off and Function Start/stop data logging, switch to extended information mode
    LED6, one for receiver status, data recording indication, TX/Rx, Bluetooth status and 2 for indication of each battery charge level
    Memory
    Internal MemoryEnvironmentally protected, removable SD? media card slot
    Capacity1024 MB
    Connectors
    External Power Port1 port(s), DC Jack Type A ODU
    External Antenna Connectorreverse tnc/bnc modem connector
    SD Card Slot1 slot, Memory I/O
    Serial Port1 port(s), RS232 ODU
    Option & Accessories
    Free SoftwareTRU (Receiver Configuration Utility)
    PC-CDU Lite (Receiver Control & Configurator)
    Topcon Link (File Download & Conversion)
    OptionsFC-200 Windows CE Controller
    TopSURV CE software (Field Survey software)
    Topcon Tools (Total Survey Management & GPS Post Processing)
    This specification & packages for Middle East and Africa Model
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