GM-55 The new Topcon GM-55 series total station combines the traditional Topcon rugged field-ready quality and accuracy with economical, compact design that is perfect for everyday measuring and positioning applications such as topo and construction layout.
The new Topcon GM-55 series total station combines the traditional Topcon rugged field-ready quality and accuracy with economical, compact design that is perfect for everyday measuring and positioning applications such as topo and construction layout. GM-55 features:
- Economical, value priced measuring solution
- Rugged, durable, water resistant design
- Two accuracies to choose from 2″ & 5″
- Expanded, Full numeric keypad
- On board programs & 24,000 point data storage
- Ideal as a construction stakeout total station
- Perfect when combined with FC field controller and software
Technical Specification
Telescope Length 150 Millimeters Objective Lens Diameter 45mm (EDM:50mm) Magnification 30x Image Erect Field of View 1°30 Resolve Power 3 “ Min. Focus Distance 1.3 meters Measurement Range 1 Prism 6500 ft, 2000 meters 3 Prism 8800 ft, 2700 meters Measuring Accuracy Prism Mode ±(2mm + 2ppm x D)m.s.e. fine, N/A measurement time 1mm: 1.2sec. (Initial 4sec.) fine, 0.2sec. (Initial 3sec.) coarse, N/A Angle Measurement Method Absolute Reading Detection 2 horizontal, 1 vertical Minimum reading N/A, 1/5 mgon Tilt Correction Type Single Axis Method Liquid surface reflective profile sensor reading type Compensating Range ±3′ Correction Unit 1 arc sec, N/A Computer Unit Display 2 screen, dot matrix graphic LCD display Power Approximate battery life 9 including distance measurement, 40 Angle measurement only -
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