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The Spectra Geospatial FOCUS 50 is a robotic total station you can customize to fit your needs. Available in three models, with your choice of angular accuracy – 1″, 2″, 3″or 5″. The FOCUS 50 features the smoothness of MagDrive™, the stability of SurePoint™ and the productivity of Autolock™.
Magdrive, instrument drive system moves silently while it precisely and reliably turns to, and repeats angle measurements, including endless fine adjustment
SurePoint technology eliminates the angular measurement errors associated with tripod movements, in real time.
Autolock automatically tracks and locks onto prisms to reduce errors related to manual aiming, and also reduces down time by not having to re-point the instrument for every observation.
This high-performance Robotic Total Station is designed to be easy to learn, and pairs perfectly with the suite of Spectra Geospatial Field Software options, including Origin, Layout Pro, and Survey Pro. The FOCUS 50 total station is available in three models, Autolock, Short Range Robotic, and Long Range Robotic.
The Autolock Model uses a cabled connection to communicate with data collectors.
The Short Range Robotic Model uses Class 1 Bluetooth to communicate with data collectors.
The Long Range Robotic Model utilizes our proprietary 2.4 GHz radio to communicate with data collectors
The FOCUS 50 Robotic Totals Station can be used with the Ranger 5, the Ranger 7, or a tablet. Powerful, easy-to-use, affordable, and tough, the FOCUS 50 delivers high performance and versatility for every way you work.
Spectra Geospatial Focus 50 Robotic Total Station
PERFORMANCE
Angle Measurement
- Sensor Type: Absolute encoder with diametrical reading
- Accuracy: 1” (0.3 mgon), 2” (0.6 mgon), 3” (0.9 mgon), or 5” (1.5 mgon)
- Angle Display (least count): 0.1” (0.01 mgon)
- Automatic Level Compensator
- Type: Centered dual-axis
- Accuracy: 0.5” (0.15 mgon)
- Range: ± 5.4’ (±100 mgon)
Distance Measurement
- Accuracy (ISO)
- Prism Mode
- Standard Mode: 1 mm + 2 ppm (0.003 ft + 2 ppm)
- Accuracy (RMSE)
- Prism Mode
- Standard Mode: 2 mm + 2 ppm (0.0065 ft + 2 ppm)
- Tracking Mode: 4 mm + 2 ppm (0.013 ft + 2 ppm)
- DR Mode
- Standard Mode: 2 mm + 2 ppm (0.0065 ft + 2 ppm)
- Tracking Mode: 4 mm + 2 ppm (0.013 ft + 2 ppm)
- Extended Range: 10 mm + 2 ppm (0.033 ft + 2 ppm)
Measuring Time
- Prism Mode
- Standard Mode: 1.2 sec
- Tracking Mode: 0.4 sec
- DR Mode
- Standard Mode: 1–5 sec
- Tracking Mode: 0.4 sec
Measurement Range
- Prism Mode (under standard clear conditions)
- 1 Prism: 2,500 m (8202 ft)
- 1 Prism Long Range Mode: 5,500 m (18,044 ft) (max. range)
- Shortest Range: 0.2 m (0.65 ft)
- DR Mode
- White Card (90% reflective)
- Good: 1,300 m (4,265 ft)
- Normal: 1,300 m (4,265 ft)
- Difficult: 1,200 m (3,937 ft)
- Gray Card (18% reflective)
- Good: 600 m (1,969 ft)
- Normal: 600 m (1,969 ft)
- Difficult: 550 m (1,804 ft)
- Reflective foil 60 x 60 mm. 1,200 m (3,937 ft)
- Shortest Range: 1 m (3.28 ft)
- DR Extended Range Mode
- White Card (90% reflective): 2,200 m (7,218 ft)
EDM SPECIFICATIONS
- Light Source: Pulsed laser diode 905 nm
- Beam Divergence
- Horizontal: 4 cm/100 m (0.13 ft/328 ft)
- Vertical: 8 cm/100 m (0.26 ft/328 ft)
SYSTEM SPECIFICATIONS
Laser Class
- EDM: Laser class 1
- Laser pointer coaxial (standard): Laser class 2
- Overall product laser class: Laser class 2
Leveling
- Circular level in tribrach: 8’/2 mm (8’/0.007 ft)
- Electronic 2-axis level in the LC-display with a resolution of
0.3” (0.1 mgon)
Servo system
- MagDrive™ servo technology, integrated servo/angle sensor
electromagnetic direct drive
- Rotation speed: 90 degrees/sec (100 gon/sec)
- Rotation time Face 1 to Face 2: 3.2 sec
- Positioning time 180 degrees (200 gon): 3.7 sec
- Clamps and slow motions: Servo-driven, endless fine
adjustment
Centering- Optical Plummet: Built-in optical plummet
- Optical Plummet magnification: 2.3×
- Shortest Focusing Distance: 0.5 m–infinity (1.6 ft–infinity)
Telescope- Magnification: 30×
- Aperture: 40 mm (1.57 in)
- Field of View at 100 m (328 ft): 2.6 m at 100 m (8.5 ft at 328 ft)
- Shortest Focusing Distance: 1.5 m (4.92 ft)–infinity
- Illuminated Crosshair: Variable (10 steps)
Power Supply
- Rechargeable Li-Ion battery: 10.8 V, 6.5 Ah
- Operating Time
- One internal battery: up to 7.5 hours
- Three batteries in multi-battery adapter and one internal:
up to 30 hours
Weight and Dimensions
- Instrument (Autolock™): 5.4 kg (11.35 lb)
- Instrument (Short Range Robotic): 5.4 kg (11.35 lb)
- Instrument (Long Range Robotic): 5.5 kg (11.57 lb)
- Tribrach: 0.7 kg (1.54 lb)
- Internal Battery: 0.35 kg (0.77 lb)
- Trunnion Axis Height: 196 mm (7.71 in)
Communication- Autolock™ Model: USB
- Short Range Robotic Model: USB, Long Range Bluetooth®10
- Long Range Robotic Model: USB, Short Range Bluetooth10,
Long Range Radio (internal/external 2.4 GHz frequency hopping,
spread spectrum)
Other- Operating Temperature: –20 °C to +50 °C (–4 °F to +122 °F)
- Storage Temperature: –40 °C to +70 °C (–40 °F to +158 °F)
- Tracklight: Standard in all models
- Dust and Waterproofing: IP65
- Humidity: 100% Condensing
- Security: Dual-layer password protection
AUTOLOCK™ TRACKING TECHNOLOGY
- Autolock™ Prism-tracking Technology: Standard on all
models
- Range: 700 m (2,297 ft)
- Pointing Precision at 200 m (656 ft) (Standard deviation):
<2 mm (0.007 ft)
- Shortest Search Distance: 0.2 m (0.65 ft)
- Search Time (typical): 2–10 sec
GPS SEARCH/GEOLOCK
- Solution Acquisition Time: 15–30 sec
- Target Re-Acquisition Time: <3 sec
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Features
- Quick and precise measurements
- FOCUS 50 and Origin software are designed together
to be easy to learn
- Silent MagDrive technology
- Available in 3 models: Autolock, Short Range Robotic,
and Long Range Robotic
- Each model is available in 1“, 2“, 3“, or 5“
angle accuracies
- Tracklight on all models
- PIN code security feature
- Supported by Global Spectra Geospatial Service
- 2 year recommended preventive
maintenance interval
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