Topcon Marine Instruments GPT-2000 Manuel D’Utilisation

   23 SPECIFICATIONS

23-1

Telescope
Length

: 150mm

Objective lens

: 45mm (EDM 50mm)

Magnification

: 30

×

Image

: Erect

Field of view

: 1°30'

Resolving power

: 2.5"

Minimum focus

: 1.3m

Reticle illumination

: Provided

Distance measurement
Measurement range

Non-prism mode (Target: White wall)

Prism mode

Condition 1: Sight haze with visibility about 20km (12.5miles) moderate sunlight with light heat

shimmer.

Measurement accuracy

Non-prism mode (Diffusing Surface)

GPT-2003/2005/2006/2009

3 to 25m  (9.8 to 82ft)

: ± (10mm)  m.s.e. 

25m or more (82ft or more)

: ± (5mm +2ppm 

× 

D) m.s.e. 

 

D:Measuring distance (mm)

Prism mode

GPT-2003/2005/2006/2009

: ±(3mm +2ppm 

× 

D) m.s.e.  

D:Measuring distance (mm)

3 to 150 m (9.8 to 492 ft)

3 to 100 m (9.8 to 328 ft)

Mini prism

2,000m   (6,500ft)

1 prism

7,000m (22,900ft)

Mini prism

1,500m   (4,900ft)

1 prism

4,000m (13,100ft)