Topcon GM-55
- Construction and Survey Application Software
- Fast & Accurate & Powerful Measuring Distance Feature
- 500m Long Range Reflectometer Measurement
- Rugged & Waterproof Design
- Reliable Large-Volume Internal Memory
- Description
- Specifications
Description
The GM-55 is the perfect entry-level site layout and survey tool, offering reliability and flexibility without sacrificing functionality. The sleek design is built tough with a waterproof and dustproof IP66 rating, integrated Bluetooth® capability, and an internal antenna, enabling you to deliver measurements to your data controller wirelessly, streamlining your equipment weight and workflow. The GM-55 is also armed with a top-line EDM, generous internal memory storage, and SDR basic onboarding software with everything you need to get the job done out in the field.
| Magnification / Resolving Power | 30x / 2.5″ |
|---|---|
| Objective Aperture | 45mm (1.8in.) (48mm (1.9in.) for EDM) |
| Field of View | 1°30′ (26m/1,000m) |
| Reticle Illumination | 5 brightness levels |
| Minimum Display | 1”/5” (0.0002 / 0.001gon, 0.005 / 0.02mil) |
| Accuracy (ISO 17123-3:2001) | 5″ |
| Dual-Axis Compensator / Collimation Compensation | Dual-axis liquid tilt sensor, working range: ±6′ |
| Laser Output | Reflectorless mode: Class 3R / Prism/sheet mode: Class 1 |
| Measuring Time | Fine: 0.9s (initial 1.5s), Rapid: 0.6s (initial 1.3s), Tracking: 0.4s (initial 1.3s) |
| Operating System | Linux |
| Display / Keyboard | Graphic LCD, 192 × 80 dots, backlight, contrast adjustment / Alphanumeric keyboard, 28 keys with backlight |
| Control Panel Location | On single face |
| Laser Pointer | Coaxial red laser using EDM beam |
| Optical Plummet | Magnification: 3x, Minimum focus: 0.3m (11.8in.) from tribrach bottom |
| Dust and Water Protection / Operating Temperature | IP66 (IEC 60529:2001) / -20 to +60°C (-4 to +140°F) |
| Size (with Handle) | 183(W) × 174(D) × 348(H) mm |
| Weight with Battery & Tribrach | Approx. 5.1kg (11.3lb) |
| Battery | Li-ion rechargeable battery BDC46C |
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