TOPCON AT-B4 - Global Survey Bandung | Jual Alat Ukur | Rental Sewa Alat Ukur Survey | Kalibrasi Service Alat Ukur

TOPCON AT-B4

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TOPCON AT-B4 SPESIFICATIONS

TELESCOPE         
Length         215mm (8.46 in.)
Magnification         24X
Objective Aperture         32mm (1.26 in.)
Resolving Power         4 in.
Field of View         1°25’ (at 100m/328ft.)
(at 100m/328ft.)         (2.5m/8.2 ft.)
Min. Focus from end of telescope         0.2m (7.9 in.)
Min. Focus from instrument center         0.3m (1 ft.)
Image         Erect
Stadia Constant         0
Stadia Ratio         100
Focusing Knob         1-speed
Sighting Aid         Gun Sight
ACCURACY         
Without Micrometer         2.0mm (0.08 in.)
With Micrometer         n/a
COMPENSATOR        
Type    Pendulum compensator with magnetic damping system    
Setting Accuracy         0.5 in.
Working Range         ±15 ft.
CIRCULAR LEVEL     AT-B4
Sensitivity         10 ft./2mm
HORIZONTAL CIRCLE    
Diameter         103mm (4.1 in.)
Minimum Division     1°/1gon
GENERAL        
Water Resistance    IPX6 (IEC 60529:2001)    
Operating Temperature -4°F to +122°F (-20ºC to +50ºC)    
Width          5.12 in. (130mm)
Length         8.46 in. (215mm)
Height         5.31 in. (135mm)
Weight         3.7 lbs. (1.7kg)




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