Pentax ETH-510 10″ Digital Theodolite

Product Overview 

Easy To Read-Display

A 16 characters x 2 line liquid crystal display (LCD) is incorporated on both sides of the instrument. Both vertical and horizontal angles are displayed in degrees or gon.

Easy Key Operation
A row of soft keys allows simple and fast operation.

Easy To Use

• Lightweight and compact 
• The basic instrument weighs only 4.8 kg or 10 lbs. 6 oz (including battery)

Automatic Power-Off Function 
Automatic power-off prevents unnecessary battery drainage. The remaining battery capacity is indicated on the display.

Angle Measurement And Angle Control 

• 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

Bright Optics
All the models have a bright 30x magnification telescope which ensures sharp and clear images even in poor light conditions.

 

 

Features

• 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

 

 

Specifications

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 MEASUREMENT ANGLE MEASURING MODE	Absolute encoder
ANGLE MEASURING ACCURACY	10”
ANGLE DISPLAY	5”/10”
ANGLE UNIT	360°/400G
COMPENSATOR TILT SENSOR	Automatic vertical compensation
TILT COMPENSATOR	No
COMPENSATION RANGE	± 3’
DISPLAY UNIT	Two-sided
OPTICAL PLUMMET IMAGE	Erect
MAGNIFICATION	3 x
ANGLE OF VISION	3°
FOCUSING RANGE	0.5 m ~ ∞
SENSITIVITY OF TUBULAR VIAL	40”/2 mm
SENSITIVITY OF CIRCULAR VIAL	8”/2 mm
TYPE OF BASE	Detachable
POWER SUPPLY BATTERY	4 x single three (AAA) type dry batteries
AMBIENT TEMPERATURE FOR OPERATION	-20°C – +50°C
WEIGHT INSTRUMENT	4.5 kg
CARRYING CASE	1.9 kg
MEASUREMENTS 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

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