THEODOLITE DIGITAL PENTAX ETH 505, Ketelitian 5detik

Pentax ETH-505 Electronic Theodolite - 5" Accuracy.
Key Features include

• Large easy to read-display
• Zero set and reverse angle display
• A row of soft keys allows simple and fast operation.
• A large display (LCD) is incorporated on both sides of the instrument. Both vertical and horizontal angles are displayed in degrees or gons.
• All the models have a bright 30x magnification telescope which ensures sharp and clear images even in poor light conditions.
• Clockwise and counter-clockwise angle measurement
• Conversion of the vertical angle to a percentage grade
• Zero setting of the horizontal angle at any position
• Horizontal angle ‘Hold key function
• Clockwise and counter-clockwise angle measurement
• Conversion of the vertical angle to a percentage grade
• Zero setting of the horizontal angle at any position
• Horizontal angle ‘Hold key function
• Powered by Alkaline batteries

Applications

• Setting out right angles and checking plumb
• Alignment measurements
• Anchor bolt layout
• 90° layout 

Electronic Theodolites ETH-500	Series Specification
Model		ETH-502	ETH-505	ETH-510	ETH-520
Telescope	Imaging		Erect image
	Objective aperture		45 mm
	Magnification		30 x
	Resolution		≤ 3”
	Field of view		1° 20’
	Shortest focusing distance		1.35 m
	Stadia multiplication constant		100
	Stadia addition constant		0
Angle Measuring	Angle measuring mode		Absolute encoder
	Angle measuring accuracy	2"	5"	10"	20"
	Angle display	1"/5"	1"/5"	5"/10"	10"/20"
	Angle unit		360°/400G
Compensator	Tilt sensor		Automatic vertical compensation
	Tilt compensator	Yes	Yes	No	No
	Soft switch	ON/OFF	ON/OFF	- -	- -
	Compensation range		± 3’
Display unit	Two-sided		Two-sided
Optical plummet Image	Erect		Erect
	Magnification		3 x
	Angle of vision		3°
	Focusing range		0.5 m ~ ∞
	Sensitivity of tubular vial  mm	30”/2	30”/2	40”/2 mm	40”/2 mm
	Sensitivity of circular vial		8’/2 mm
Dust & Water Protection			IP44
Type of base			Detachable
Power supply	Battery		4 x single three (AAA) type dry battery
Ambient temperature	For operation		-20°C - +50°C
Weight	Instrument		4.5 kg
Measurements	Carrying case		1.9 kg
	Instrument		W 175 mm x L 170 mm x H 334 mm
	Carrying case		W 330 mm x L 450 mm x H 220 mm