Procurement Of 1 (One) Nos. D.G.P.S. Survey Instruments (Trimble D.G.P.S. Model Ri 2I Or Higher Version) For Offices Under Damodar Canal Division To Be Executed By Executive Engineer -I, Damodar Canal Division, Court Compound, Purba Bardhaman During T, Bardhaman-West Bengal

Procurement Of 1 (One) Nos. D.G.P.S. Survey Instruments (Trimble D.G.P.S. Model Ri 2I Or Higher Version) For Offices Under Damodar Canal Division To Be Executed By Executive Engineer -I, Damodar Canal Division, Court Compound, Purba Bardhaman During The F.Y.- 2025- 26 -1 MAIN Identical interchangeable Base & Rover complete system including accessories like Antenna receiver, controller and cables etc. 2. BASE&ROVER 2.1 TYPE ANTENNA AND RECEIVER BUILT IN SINGLE HOUSING WITH BLUETOOTH & WI-FI COMMUNICATION 2.20 TRACKING GPS:L1C/A,L2C,L2E,L5 GLONASS:L1C/A,L1P,L2C/A,L2P,L3 SBAS:L1C/A,L5(ForSBASsatellitesthatsupportL5) Galileo: E1, E5A, E5B, E5 AltBOC, E61 BeiDou:B1,B2,B3 QZSS:L1C/A,L1-SAIF,L1C,L2C,L5 NavIC(IRNSS):L5 3. NO OF CHANNELS 600or better 4. MODES Static, Rapid Static kinematic, Real Time Kinematic ACCURACY 5 STATIC PERFORMANCE 5.1 HORIZONTAL 3mm+0.1ppm 5.2 VERTICAL 3.5mm+0.4ppm 6 KINEMATIC & RTK PERFORMANCE 6.1 Horizontal Accuracy Vertical Accuracy 8mm+1ppm 15mm+1ppm NETWORKRTK Horizontal Accuracy 8mm+0.5ppm Vertical Accuracy 15mm+0.5ppm CODE DIFFERENTIAL GNSSPOSITIONING Horizontal 0.25m+1ppm Vertical 0.50m+1ppm SATELLITEREALTIMECORRECTIONSERVICES Horizontal Accuracy 2cm Vertical Accuracy 5cm Time to RTK initialization Lessthan8sec Initialization Reliability typically,>99.9% 7. TILTCOMPENSATOR (BASE & ROVER) In built electronic level bubble and tilt compensation. 8. LED STATUS INDICATOR Satellite, transmission, Storage & Wi-Fietc. 8.1 Data Storage Medium Internal Storage 9 GB or more External/Removable Storage Slot Memory stick or SD card 9. COMMUNICATIONS Serial: serial(7-pinLemo) Radio Modem for receive/transmit-1Worbetter support of External radio protocol Cellular GSM/GPRS/External modem option. Bluetooth Wi-Fi 10. POWER Batteryforcontinuousdataloggingatleast6.5hours/each 11. POWERCONSUMPTION Notmorethan4.2watts 12. WEIGHT Receiver with battery weight should be less than<1.5kg 13. UPDATERATE 20Hz 14. OPERATIONALTEMPURATU RE -40oCto+65oC 15. STORAGETEMPURATURE -40oCto+75oC 16. DUST&WATERPROTECTION IP67orbetter 17. SHOCK/DROP 2mormoreontohardsurface 18. HUMIDITY 100%,condensing

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