Spectra Precision Focus 35-1" Lockngo Automatic

Accuracy1
(Standard deviation
based on ISO 17123-3). . . . . . . . . . . . . .1" (0.3 mgon),
2" (0.6 mgon), 3" (1.0 mgon), or 5" (1.5 mgon)
Angle reading (least count display)
Standard . . . . . . . . . . . . . . . . . . . . . . . . . 1" (0.3 mgon)
1" model. . . . . . . . . . . . . . . . . . . . . .0.5" (0.15 mgon)
Tracking. . . . . . . . . . . . . . . . . . . . . . . . . . 2" (0.6 mgon)
Distance measurement2
Accuracy to Prism
(Standard deviation based on ISO 17123-4)
Standard . . . . . . . . 2 mm + 2 ppm (0.007 ft + 2 ppm)
1” model. . . . . . .1 mm + 2 ppm (0.003 ft + 2 ppm)
Tracking. . . . . . . . . 5 mm + 2 ppm (0.016 ft + 2 ppm)
Accuracy Reflectorless Mode
Standard
<300 m (984 ft). . . . .3 mm + 2 ppm (0.01 ft + 2 ppm)
Standard
>300 m (984 ft). . . 5 mm + 2 ppm (0.016 ft + 2 ppm)
Tracking. . . . . . . . 10 mm + 2 ppm (0.033 ft + 2 ppm)
Measuring time
Prism Standard . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 sec.
Prism Tracking. . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 sec.
Reflectorless Standard. . . . . . . . . . . . . . . . . . 3–15 sec.
Reflectorless Tracking . . . . . . . . . . . . . . . . . . . . 0.7 sec.
Range Prism Mode
1 prism. . . . . . . . . . . . . . . . . . . . . . . 4000 m (13,123 ft)
3 prisms. . . . . . . . . . . . . . . . . . . . . . 7000 m (22,966 ft)
Foil Reflector 60 mm. . . . . . . . . . . . . . . 300 m (984 ft)

Automatic level compensator
Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dual-axis
Accuracy.. . . . . . . . . . . . . . . . . . . . . . . . .0.5" (0.15 mgon)
Working Range. . . . . . . . . . . . . . . . . . .±5.5' (±100 mgon)

Communications
External foot connector . . . . . . . . . USB cable connection
and external power supply
Wireless communication. . . . . . . . . . Bluetooth® (optional)

Environmental
Operating temperature. . . . . . . . . . . . . . . –20 ºC to +50 ºC
(–4 ºF to +122 ºF)
Dust and water proofing. . . . . . . . . . . . . . . . . . . . . . . IP55

DATA COLLECTION
Control Units fixed on alidade
Face 1 (optional)
Display. . . . . . . . . . . . . . . .3.5" TFT color touch screen,
320x240 Pixel, backlight
Keyboard. . . . . . . . . . . . . . . . . . . Alphanumeric keypad
Memory (data storage). . . . . 128 MB RAM, 1 GB Flash
Field App. Software. . . . . . . Survey Pro and Layout Pro
Face 2
Display. . . 6 lines, monochrome, 96x49 Pixel, backlight
Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 keys
Instrument Software Functions. . . . . . . . . Change Face
Radio and Instrument Settings,
Measurement Value Display, Leveling