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
|
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