Description
RTK GNSS Receiver and Field Controller featuring 226 Channels with Universal Tracking
Topcon Positioning System?s GRS-1 (Geodetic Rover System) is an all-in-one handheld GNSS receiver and field controller featuring Topcon’s exclusive Vanguard chip technology, compass and optional built-in camera. Other features include internal L1 antenna for GIS and navigation uses, internal modem and optional external antenna for GNSS network compatibility, or instantly change to dual constellation for centimeter accuracy RTK. Even use your GRS-1 as a static post-processed receiver solution.
Most importantly, the GRS-1 provides flexibility to fit you and your jobs by providing an SD memory card slot for up to 1GB Flash memory, optional internal GSM or CDMA modem, wireless LAN connectivity, and Bluetooth? wireless technology. The bright, high-contrast touch screen with virtual keyboard makes using Topcon’s MAGNET or Pocket-3D software quick and easy.
Features include:
Vanguard chip technology featuring 226 Channels with Universal Channels
Internal GSM or CDMA Cellular Capability
806MHz XScale Processor
Windows Mobile? 6.1 Operating System
2.0 Megapixel Camera (optional)
256MB SDRAM, 1GB Flash
Internal Magnetic Compass
Built-in Bluetooth and Wireless LAN connectivity
Specifications
Tracking
Number of Channels: 72 GPS + Glonass L1/L2, Universal Channels
WAAS/EGNOS: Yes
CORS Beacon: Yes with BR-1
Accuracy
DGPS Accuracy: 50cm HRMS
L1, L2 Static Function: H: RMS 3mm + 0.8ppm
V: RMS 4mm + 1.0ppm
Real time RTK Accuracy: H: 10mm + 1.0ppm
V: 15mm + 1.0ppm
Software
Onboard Software: TopSURV
Office Software (post processing): Topcon Tools?, SurveyMaster
Internal
Microprocessor: XScale PXA320
Processor Speed: 806MHz
Operating System: Windows? Mobile 6.1
Data Update/Output Rate: 1Hz ? 100Hz Selectable*
Memory: 256MB SDRAM
1GB Flash
USB: Mini Port
Card Slot: SD
GNSS Receiver: GPS + GLONASS
Cellular Capability: Internal GSM or CDMA**
Input/Output: Bluetooth?, USB, Serial, ANT, and Power
Wireless LAN Connectivity: Standard (Internal, 802.11.b)
Magnetic Compass: Internal, 4 degree accuracy
Expansion Connector: Weatherproof Communication Port
Battery Life: 5 hrs while in GPS static mode
Battery Type: 2500mAh Removable, Li-Ion Rechargeable
Physical
Dimensions: 7.76? x 3.54? x 1.81? (197 x 90 x 46mm)
Weight: 1.5 lbs (0.7kg)
Display: 3.7? VGA LCD
Built-in Camera: 2.0 Megapixel
Keyboard: 3 Key plus Virtual Keyboard
Environmental
Waterproof: IP66
Drop: 1 meter
Operating Temperature: -20? to 50?C
Operating with camera: -10? to 50?C
Storage Temperature: -30? to 60?C
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