The Sokkia iM-52 PSBL (model 1023563-04) is a 2-inch accuracy total station engineered for surveyors, civil contractors, and layout crews who demand reliable, high-precision measurements day after day in the field. Built on Topcon's proven measurement platform and distributed under the trusted Sokkia brand, this instrument combines a long-range reflectorless EDM, dual-face display, and optical laser plummet into a package rugged enough for real-world jobsite conditions. Whether you're staking out a highway corridor, controlling a building structure, or running boundary surveys in rough terrain, the iM-52 PSBL gives you the measurement confidence to stay on schedule and on spec.
Jobsite Overview & Applications
The iM-52 PSBL is designed for professionals who need versatility without sacrificing accuracy. Its 2" (2-second) angular accuracy paired with a high-performance EDM makes it suitable for control surveys, topographic mapping, construction stakeout, as-built documentation, and deformation monitoring. The instrument's IP66-rated enclosure resists dust ingress and water jets, so unexpected weather or dusty grading operations won't cut your workday short. On-board storage and USB connectivity keep data management simple, reducing trips back to the office.
Key Specifications
- Angular Accuracy: 2" (2 arc-seconds)
- EDM Range (Prism): Up to 5,000 m (single prism)
- EDM Range (Reflectorless): Up to 500 m (Kodak White)
- EDM Accuracy (Prism): ±(2 mm + 2 ppm)
- EDM Accuracy (Reflectorless): ±(3 mm + 2 ppm)
- Display: Dual-face graphic LCD, backlit
- Plummet: Optical laser plummet
- Telescope Magnification: 30×
- Storage: Internal memory + USB port
- Battery Life: Approx. 7 hours continuous operation
- Water & Dust Protection: IP66
- Operating Temperature: -20°C to +50°C (-4°F to +122°F)
- Weight: Approx. 5.2 kg (instrument only)
Key Features
- Dual-Face Display: Full alphanumeric LCD on both faces of the instrument — measure and read data from either side without walking around the instrument
- Laser Plummet: Fast, accurate setup over control points in any lighting condition
- Long-Range Reflectorless EDM: Measure inaccessible targets — facades, bridge decks, elevated steel — without a prism or assistant
- IP66 Protection: Sealed against dust and high-pressure water jets for reliable field performance
- Onboard Programs: Road layout, offset measurement, remote elevation, area calculation, and resection built in
- USB Data Transfer: Export raw data and coordinates directly to thumb drives or office software
- Sokkia Link Software Compatible: Seamless data transfer and project management with Sokkia's office suite
- Auto Power-Off & Tilt Compensation: Single-axis tilt sensor with auto-correction for efficient setups on sloped ground
Job Applications
Construction Layout & Stakeout: Set building corners, column lines, slab edges, and utility alignments with 2" angular precision. The dual display means your rod person can read angles directly without you calling out every value.
Boundary & Topographic Surveys: Traverse control networks, collect topo data, and calculate closures using built-in survey programs. Long prism range supports open terrain without instrument moves.
As-Built & Structural Documentation: Reflectorless mode lets you shoot floor-to-ceiling heights, facade offsets, and structural members without setting prisms — ideal for occupied buildings or elevated steel.
Deformation & Monitoring: Repeatability and stable EDM performance make the iM-52 PSBL a practical choice for periodic monitoring of retaining walls, embankments, and structures.
Compatible Accessories
- Sokkia SF14 Carrying Case
- Sokkia Single Prism System (with target plate)
- Sokkia 360° Mini Prism
- Sokkia Tribrach with Optical Plummet
- Replacement Battery Pack for iM Series
- USB Data Cable & Field-to-Office Transfer Kit
Related Guides
- How to Set Up a Total Station: Step-by-Step Field Guide
- Total Station vs. Robotic Total Station: Which Do You Need?
- Understanding EDM Accuracy Specs: Prism vs. Reflectorless
- Sokkia iM Series Maintenance & Calibration Tips
Frequently Asked Questions
- What does "PSBL" mean on the Sokkia iM-52?
- PSBL stands for Prism / Short-Range Bluetooth / Laser plummet — indicating this model includes reflectorless (short-range) EDM capability and an integrated laser plummet for precise instrument centering over control points.
- Is the Sokkia iM-52 the same as the Topcon iM-52?
- Yes. The Sokkia iM-52 and Topcon iM-52 share the same measurement engine and core hardware. Sokkia and Topcon are sister brands under the same parent company, with minor differences in firmware interface and branding.
- What software is compatible with the Sokkia iM-52?
- The iM-52 PSBL is compatible with Sokkia Link office software for data transfer and project management. Raw data can also be exported via USB to third-party platforms such as AutoCAD Civil 3D, Trimble Business Center, and most survey-grade field-to-finish packages.
- Does the iM-52 PSBL come with a warranty?
- Sokkia instruments sold through Express Tools as an authorized dealer include the manufacturer's standard warranty coverage. Contact our team for current warranty terms and to confirm your instrument is registered for full coverage.
