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Spesifikasi GPS Garmin eTrex 30 :

Tampilan & Performa
Dimensi unit, L x P x T:2,1″ x 4,0″ x 1,3″ (5,4 x 10,3 x 3,3 cm)
Ukuran layar, L x P:1,4″ x 1,7″ (3,5 x 4,4 cm); 2,2″ diagonal (5,6 cm)
Resolusi layar, L x P:176 x 220 piksel
Jenis layar:TFT transflektif, 65-K warna
Berat:141,7 g (5 oz) dengan baterai
Baterai:Dua baterai AA (tidak disertakan), sebaiknya NiMH atau Lithium
Masa pakai baterai:25 jam
Kedap air:ya (standar IPX7)
Unit penerima sensitivitas tinggi:ya


Peta & Memori
Peta basis:ya
Peta standar:tidak
Kemampuan untuk menambahkan peta:ya
Memori internal:1,7 GB
Menerima kartu data:kartu microSD™ (tidak disertakan)
Titik acuan/favorit/lokasi:2000
Data jalur:10.000 titik, 200 jalur yang disimpan


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Spectra Promark SP60
Spectra Precision SP60 GNSS receiver 

The Spectra Precision SP60 is a new generation GNSS receiver offering a high level of flexibility to cover any demand from GIS all the way up to  sophisticated RTK and Trimble RTX™ capable solutions.Combining the unique all-signals tracking and processing Z-Blade GNSS-centric technology and L-band capability for satellite-delivered Trimble RTX correction services, Spectra Promark SP60 receiver provides the most reliable measurements and the highest possible accuracy under any conditions anywhere in the world.

The Spectra Precision SP60 GNSS receiver has been designed to meet the needs of surveyors or location professionals. Extremely scalable and versatile, Spectra Promark SP60 can be used for virtually any task from simple GIS workflows to the most demanding surveying jobs.
Spectra Promark SP60 Z-Blade GNSS-centric technology delivers fast and reliable GNSS positioning utilizing all available GNSS signals to produce the optimal solution even in challenging environments. GPS-only, GLONASS-only or BeiDou-only positioning modes are available when necessary.
The patented inside-the-rod antenna extends the RTK radio range as well as protects the antenna. Anti-theft technology protects your investment by making the receiver unusable if the Spectra Promark SP60 base has been moved. Satellite delivered corrections from Trimble RTX services are available over L-Band and IP. Depending on the accuracy of your job, a range of services are available including CenterPoint,RangePoint, ViewPoint and FieldPoint RTX.
For small jobs of a few hundred meters, RTK jobs can be completed quickly and efficiently by using Long range Bluetooth. Unlike UHF radios which may require a  license, Long range Bluetooth is fast and easy to setup making this solution ideal for small site surveys.
Features & Benefits
  • Extended scalability
  • Z-Blade GNSS-centric technology
  • 240-channel 6G ASIC
  • Anti-theft technology
  • Long Range Bluetooth
  • Trimble CenterPoint® RTX​
SPESIFICATION Spectra Promark SP60 
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Deskripsi Nikon AC-2S Automatic Level || Waterpas Nikon AC-2S

Nikon AC-2S Automatic Level
Compact and lightweight, this automatic level features a magnetic-dampened automatic compensator to level the line of sight; quality Nikon optics for bright, sharp, detailed images; and rugged water-resistant construction. The horizontal tangent knobs can be operated with either hand and feature an unlimited range to ensure smooth, precise pointing and angular measurement. Carrying case, lens cap, plumb bob, adjustment tool, and vinyl dust cover included.


  • Telescope - Tube length: 7.5 ( 190 mm) ;
  • Image: Erect;
  • Effective diameter of objective lens: 1.2 ( 30 mm) ;
  • Magnification: 24x;
  • Field of view: 1 30' ( 2.6' at 100' ) ;
  • Resolution power: 3.5 ;
  • Minimum focusing distance: 2.46' ( .75 m) ;
  • Stadia ratio: 1: 100.
  • Automatic compensator - Type: Wire-hung, air damper;
  • Setting accuracy: 0.5 ;
  • Range: 16' .
  • Level vial sensitivity - Circular level: 10' / 2 mm.
  • Standard deviation ( 1-km double-run leveling) - Without micrometer: 2.0 mm.
  • Horizontal circle - Diameter of circle: 4.3 ( 110 mm) ;
  • Minimum increment: 1 / 1 g;
  • Reading estimation: 0.1 / 0.1 g.
  • Weight - Instrument: 2.8 lbs.;
  • Case: 2.7 lbs.