Survey Instrument Annual Preventive Maintenance Calibration Package Total Station Digital Level Service

Package Contents

• Full Instrument Disassembly & Inspection — Complete teardown with visual and microscopic inspection of all mechanical, optical, and electronic components for wear, contamination, or damage
• Internal & External Cleaning — Removal of dust, debris, and oxidation from all internal surfaces; optical path cleaning including objective lens, eyepiece, prisms, and internal optics
• Mechanical Adjustment — Tribrach lock tension adjustment, tangent screw smoothness check, optical plummet alignment, carrying handle tightening
• Lubrication Service — Reapplication of manufacturer-specification grease on all rotating axes, focusing mechanisms, and mechanical joints
• Electronic System Check — Battery contacts cleaning, power consumption measurement, communication port verification, firmware version check
• Full Calibration — Horizontal and vertical angle calibration (ISO 17123-3), EDM calibration on collimator bench (ISO 17123-4), compensator accuracy verification
• Calibration Certificate — NIST-traceable certificate documenting all pre-service and post-service measurements
• Service Report — Detailed report of all findings, adjustments made, and recommendations for any additional service needs