Surveying Equipment Calibration
Accurate calibration of total stations, laser levels, theodolites, and GNSS instruments. Fully traceable with certificate access and tracking via Dreig Calibration Software.
Measure with Confidence. Build with Precision.
Survey equipment must deliver pinpoint accuracy in the field—because every millimetre matters. Dreig provides traceable calibration services for surveying and construction instruments used in high-precision layout, mapping, and structural verification.
From laser levels and theodolites to robotic total stations, our expert technicians test and calibrate your tools using certified reference procedures. With quick turnaround and digital recordkeeping, we help you stay on spec and on schedule.
We Calibrate the Following Survey Instruments
- Total Stations (Manual & Robotic)
- GNSS / GPS Receivers
- Laser Levels (Rotary, Dual Grade, Line)
- Digital and Optical Theodolites
- Dumpy Levels and Auto Levels
- EDM / Distance Meters
- Laser Distance Measurers
- Tribrachs and Prism Assemblies
- Levelling Rods and Staffs
- Plummets and Optical Collimators
- Dual-Slope Grading Lasers
- Pipe Lasers
- Cross Line and Dot Lasers
- Construction Alignment Tools
- 3D Laser Scanners (basic verification)


Industries We Serve
- Civil Construction & Infrastructure
- Land & Hydrographic Surveying
- Engineering and Design Consultancies
- Rail, Road, and Bridge Construction
- Urban Planning and GIS
- Mining & Quarrying Operations
- Utilities and Infrastructure Mapping
- Building and Architectural Layout
- Telecommunications Site Planning
- Defence & Government Survey Teams
- Equipment Hire Companies
- Education & Surveyor Training Programs
Service Features
- Traceable Calibration with Certified Reference Standards
- In-House or Field-Based Calibration Options
- PDF Certificates with Tolerances and Results
- Compliance With ISO, AS, and Industry Standards
- Stickers with Calibration Date and Next Due Date
- 48–72 Hour Turnaround (Standard)
- Instant Certificate Access – Download your results before your next job
- Reminder Notifications – Know exactly when each instrument is due
- Multi-Site Asset Oversight – Perfect for project managers and fleet supervisors
- Tool History by Asset – View previous calibration results by instrument ID
- Real-Time Job Updates – Track your tools through the calibration workflow
- Audit-Friendly Format – Easily provide records during quality or compliance checks
Why Choose Dreig?
- Survey-Specific Technicians – Our calibration staff understand your gear and your workflow
- Certified Accuracy – Calibrations follow ISO standards and manufacturer specs
- Fast, No-Fuss Service – We keep you compliant without holding up your schedule
- Total Digital Oversight – Records, reminders, and results all in one place

How It Works
Book a Service
Drop-off, ship, or schedule an on-site visit
We Calibrate
Devices tested for angular, distance, and level accuracy
Receive Certificates
Digital results uploaded to your client portal
Stay Field-Ready
Get notified before anything falls out of date
Laser Distance Meters
These meters provide precise distance measurements, essential in construction and surveying. Regular calibration is crucial to maintain their accuracy and reliability.
Dumpy Levels
Dumpy levels are used for establishing horizontal planes. Calibration ensures their accuracy, which is vital for construction projects, ensuring level foundations and structures.
Theodolites
These precision instruments measure angles in the horizontal and vertical planes. Calibrating theodolites is essential for accurate angle measurement, crucial in surveying and construction tasks.
Spirit Levels
Spirit levels are used to check surfaces for levelness. Calibration ensures their bubbles accurately indicate level, which is fundamental in building and carpentry work
Laser-Level Calibration Service
Laser levels project level lines and are used in various construction tasks. Our calibration service ensures their accuracy, crucial for ensuring straight and level construction.
Analogue Levels
Analogue levels, though traditional, require calibration to ensure their accuracy in measuring level and plumb in various applications.
Automatic Levels
Automatic levels self-level for accurate elevation measurement. Calibration is vital to ensure their internal compensators function correctly, maintaining measurement accuracy.
Tape Measures
Tape measures are essential in various trades. Calibration ensures their markings are accurate, which is fundamental for precise measurement in construction and crafting.
Pipe Lasers
Pipe lasers are used for alignment in pipe installation. Calibrating these lasers ensures they provide accurate alignment, crucial for proper pipe installation.
Rotating Levels
These levels project a 360-degree laser line around a room. Calibration ensures their accuracy, important for tasks requiring a consistent level around a perimeter.
Multi-Line Levels
These levels project multiple laser lines simultaneously. Calibration ensures each line is accurate, which is vital for complex layouts and installations.
Cross-Line Levels
Cross-line levels project intersecting horizontal and vertical lines. Calibration is crucial for ensuring that the lines are accurately orthogonal, important in construction and interior design.
Rulers
Even simple rulers require calibration to ensure their markings are accurate, which is fundamental for precision in measurement tasks.
Let’s Make Compliance and Excellence Simple.
From ISO certification to technical testing and strategic consulting, our experts are ready to guide you every step of the way.