Understanding the detailed calibration procedures for your survey equipment is essential for maintaining precision and ensuring data integrity. Here, we outline the comprehensive processes we follow for a complete overhaul of your instruments.
Auto Level Service and Calibration
All brands of auto-levels need to be checked and calibrated chronologically every 6 months so as to give accurate readings during survey. Auto-levels that come in for calibration to our certified Survey Service Centre will undergo the below procedures for a Complete Overhaul.
- Level Base service – Dismantling, Cleaning, Re-greasing with special grease and assembling
- Worm Drive – Dismantling, cleaning, Re-greasing with special grease, assembling.
- Focus Drive – Dismantling, cleaning, Re-greasing with special grease, assembling of Focusing tube, Pinion complete and cleaning all lenses.
- Compensator Check – Compensator check and adjustment if needed.
- External instrumental cleaning.
- Final Calibration on Collimator.
- Cleaning of Carrying Cases.
- Issue of Calibration Certificate for 6 months, wherein a Calibration Warranty is also provided during this period.
Total Station Service and Calibration
Total stations need to be checked and calibrated chronologically every 6 months for the finest performance with precision, particularly due to the atmospheric conditions in the region. Total stations that come in for calibration will undergo the below procedures for a Complete Overhaul under regularly controlled temperatures to our certified Survey Service Centre.
- Tribrach service – Cleaning and confirming smooth rotation of Levelling Screws
- Hz angle Encoder system – Set the Hz Constants in Service mode for correct Hz readings in User mode
- V angle Encoder system – Set the Hz Constants in Service mode for correct Hz readings in User mode
- Focus – Dismantling, cleaning, Re-greasing with special grease, assembling of focusing tube and cleaning all lenses.
- External instrumental cleaning.
- Collimation check and adjustment on Collimator
- Horizontality check and adjustment on Collimator
- Alignment of EDM Laser beam to the Reticle of the instrument.
- Final Calibration on 4-target Collimator system
- Base Line checks to verify EDM constants.
- Cleaning of Carrying Cases.
- Issue of Calibration Certificate for 6 months, wherein a Calibration warranty is also provided during this period.
GPS/GNSS, Data Controller/Field Controller, Base Station Radio Service and Checks
Though GPS survey has not entirely replaced surveying field instruments, it is widely used in the region. Hence it is important to conduct periodic checks in our certified Survey Service Centre to confirm Satellite Connectivity and upgrade the Firmware version to stay updated.
- Satellite corrections receiving checks
- RTK/VRS connectivity checks
- Base-Rover connectivity checks
- Base station Radio Rx/Tx Channel/Frequency checks
- Radio Link Rate check
- Radio Transmit Power and Signal Strength check
- Replacement of boards or connectors in case of any damages
- Data Controller Firmware and Software upgrades
- GPS Firmware upgrades
- External Cleaning
- Issue of Test Certificates for 6 months/1 Year
Cables and Connectors
Faulty or Damaged Cables and Connectors can extremely hinder the performance of GPS/GNSS receivers. Therefore, it is essential that these are in good condition with no damages or cracks in them. All cables and connectors are checked and damages repaired in case of any ruptures or breakages. Further they are checked again to confirm proper performance and connectivity.
The Summation
Don’t compromise on accuracy. Our Dubai-based certified experts specializes in precision survey equipment at Rise Geo Control Systems providing certified survey equipment calibration and repair of a wide range of advanced tools, including total stations, GPS/GNSS receivers, and auto-levels. Visit our website at https://rise-geo.com/ to explore our services or contact our experts in Dubai at 04-5478282 for a personalized consultation.