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Pentax
ETH 300
Theodolite Series |
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The
new ETH-300 series reflect angle accuracy and have an easy to see
Pentax red side for safety and recognition. There are 4 models in the
range providing a choice of 2" (0.001G), 5"(0.001G),
10" (0.002G) or 20" (0.005g) accuracy. |
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Applications |
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Setting out right angles and checking plumb |
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Alignment measurements |
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Anchor bolt layout |
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90º layout |
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MODEL
AND DESCRIPTION |
£
UK |
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ETH-302
2" Electronic Theodolite with Compensator |
£1745.00 |
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ETH-305
5" Electronic Theodolite with Compensator |
£1595.00 |
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ETH-310
10" Electronic Theodolite |
£1435.00 |
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ETH-320
20" Electronic Theodolite |
£1185.00 |
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Key
Features include: |
Easy to read display |
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Zero set and reverse angle display |
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Powered by alkaline batteries |
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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 |
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Easy
key operation |
A
row of soft keys allows simple and fast operation |
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Easy
to use |
Lightweight and compact |
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The basic instrument weighs only 4.6 kg or 10 lbs. 2. oz. (
including battery) |
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Automatic
power-off function |
Automatic
power-off prevents unnecessary battery drainage. The remaining
battery capacity is indicated on the display. |
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Angle
measurements and Angle control |
Clockwise and counter-clockwise angle measurement |
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Conversion of the vertical angle to a percentage grade |
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Zero setting of the vertical angle at any position |
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Horizontal angle 'Hold' key function |
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Bright
optics
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All
the models have a bright 30x magnification telescope which ensures
sharp and clear images even in poor light conditions. |
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Technical
Specification |
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ETH-302 |
ETH-305 |
ETH-310 |
ETH-320 |
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Telescope
section |
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Image |
Erect |
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Magnification |
30x |
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Resolving
power |
3" |
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Objective
apperture |
45
mm |
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Field
of view |
1°30' |
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Minimum
focus |
1.35
m |
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Stadia
ratio |
100 |
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Stadia
constant |
0 |
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Focusing |
2
Speed |
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Angle
measurement |
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Type |
Incremental |
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Reading
System |
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Vertical |
Single |
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Horizontal |
Dual |
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Minimum
Display |
5"
/ 1 mgon |
5"
/ 1 mgon |
10"
/ 2 mgon |
20"
/ 5 mgon |
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1"/5"selectable
(0.2/1 mgon) |
1"/5"selectable
(0.2/1 mgon) |
5"/10"selectable
(1/2 mgon) |
10"/20"
selectable (2/5 mgon) |
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Accuracy
(DIN18723) |
2"
/ 0.6 mgon |
5"
/ 1.5 mgon |
10"
/ 3 mgon |
20"
/ 6 mgon |
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Unit
of Angle |
360°
/ 400g / 6400 MIL |
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Display |
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Type |
dot
matrix LCD |
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Display
panel |
2
sides |
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Key
Panel |
English |
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Vertical
axis |
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single
axis |
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Compensator |
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Yes |
No |
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Water
resistance |
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IPX
4 |
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Sensitivity
of vials |
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Plate
vial |
30"/2
mm |
40"/2
mm |
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Circular
vial |
8'/2
mm |
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Warning
Buzzer |
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Yes |
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Optical
plummet Telsc. |
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Magnification |
3
x |
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Focusing
range |
0.5
m ~ |
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Power
source |
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Type |
4
x AA Dry Battery |
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Operation
time |
Alkaline
30 hrs./ (NimH 15 hrs) |
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Ambient
Temperature |
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-20°C
-+ 50°C |
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Size
and Weight |
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Body |
W
168 x H 330 x L 158 mm |
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Weight |
4.6
kg / 10 lbs. 2 oz |
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Detachable
Tribrach |
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Yes |
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Profile
from Pentax PTH-10 Electronic
Theodolite |
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State-of-the-art
technology with rugged construction and extreme accuracy |
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The
Profile PTH-10 brings a new angle to site surveying by providing
precision performance with easy-key operation at suprisingly low cost.
Designed for use across a wide range of applications including
setting out and alignment measurements. |
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Lightweight and compact |
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30x magnification |
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Focusing down to 1.3m |
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Horizontal & Vertical angles displayed in degrees or gon |
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Easy to read 2 sided LCD display on the instrument |
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Audible horizontal angle signal |
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Automatic power-off function prevents battery drain |
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4 x AA battery provide up to 15 hours continuous use |
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MODEL
AND DESCRIPTION |
£
UK |
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Profile
10" Electronic Theodolite |
£795.00 |
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c/w
Detachable tribrach, carry case,
rain cover & plumb bob |
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SPECIFICATION
PTH-10 |
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Telescope |
Overall
Length |
155mm |
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Objective
aperture |
45mm |
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Magnification |
30x |
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Image |
Erect |
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Field
of view |
1
30' |
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Resolving
power |
2.5" |
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Minimum
focus |
1°.3m |
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Stadia
ratio |
100
to 1 |
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Stadia
constant |
0 |
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Electronic
Angle Measurement |
Method |
Incremental |
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Minimum
reading |
5" |
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Accuracy** |
10" |
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Diameter
of circle |
82mm |
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Illumination |
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Display
& Reticle |
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Optical
Plummet |
Magnification |
3x |
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Field
of view |
5° |
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Focusing
range |
0.5m
to infinity |
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Level
Vial Sensitivity |
Plate
vial |
30"
per 2mm |
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Circular
vial |
8'
per 2mm |
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Dispaly
Operating Range |
Operating
voltage |
4-6
VDC |
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Power
source |
4
x AA battery |
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Operating
time (Alkaline batteries) |
15
hrs contiuous use @ 20°C |
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Operating
temperature range |
-20°C
to +50°C |
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Dimensions |
300mm
H x 200mm W x 145mm D |
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Weight |
4.4kg
(Instrument only) 6.8kg (with case) |
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**Standard
deviation based on DIN18723 |
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