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Models
AL-320S, AL-320, AL-270 & AL-240:
This AL series of automatic level features a waterproof (JIS class 6) and nitrogen
filled objective lens compartment which prevents moisture condensation on the
lenses. The AL 240, 24 power, features a short (12 inch) focus distance. The
AL-320S features dual speed focus and an enclosed glass horizontal circle.
A special model, the AL-320P (available USA only), has all the features of the AL-320 plus dual speed focus.
Features
Models AL-320S, AL-320P, AL-320, AL-270 & AL-240:
Premium
AL series are accurate, easy-to-use automatic levels offering high performance
for a wide variety of level applications.
All models feature a waterproof (JIS class 6) and nitrogen filled
objective lens compartment, which prevents moisture condensation on the
lenses. The AL 240 and AL-270 feature a short (12 inch) focus distance.
The AL-320p has dual speed focus and the AL-320s features dual speed focus
and an enclosed glass horizontal circle.
Telescope:
Erect
image with an analectic optical system. The resulting image is sharp and
has high contrast, a traditional quality of PENTAX optics. Easy
aiming with the open gun sight (AL-240 & 270) or optical collimator
(AL-320S, 320P & 320) locates the target quickly and places it well
within the field of view.
Automatic
Compensator:
Precise compensator, with special alloy ribbon, which provides extremely
stable survey results even under unfavorable conditions such as vibration.
The image is stabilized by a strong magnetic field but is not effected by
any surrounding magnetic force.
Horizontal
Circle:
All models, except the AL-320S,
have a graduated horizontal circle with graduation marks every degree.
There are also index marks at every 90° for convenient right angles.
The metal circle is enclosed
for protection of the precise graduations.
Horizontal
Circle (320S):
The AL-320S has a precision glass circle which is graduated every
10 minutes. The circle is read
through a 18x microscope for angle estimation down to 1 minute.
Dual
Speed Focusing: The
AL-320S and the AL-320P have regular speed focusing plus an extra-fine focusing
speed. Sharp object focus can
be attained in less time with this system.
Optical
Micrometer: The
SM4 micrometer set (SM1 + PC7) can be used with the AL-320, AL-320P and
the AL-320S. The micrometer
is available in three different graduations:
Inch (SM4i), foot (SM4f) and metric (SM4m).
Setting
Up: Can
be mounted on flat or domed head tripods and have quick acting leveling
screws for fast and easy setup.
Short
Focus:
A level rod or target can be focused from only 12 inches with the
AL-240 or AL-270. The AL-320S,
AL-320P and AL-320 focus to only 20 inches.
Tight jobs are no problem at all.
Color:
The
top of the level is bright orange for high visibility on the job site.
Pricing |
|||
| PT-AL320S | Pentax AL-320S 32x Automatic Level (2 speed focus, 10' glass circle, est to 1'), includes case. | $ 2,195.00 | 
|
| PT-AL320P | Pentax AL-320P 32x Automatic Level (2 speed focus, circle, est to 6'), includes case. | $ 1,625.00 |
|
| PT-AL320 | Pentax AL-320 32x Automatic Level (circle, est to 6'), includes case. | $ 1,350.00 |
|
| PT-AL320-SM4 | Pentax AL-320 32x Automatic Level (circle, est to 6'), includes case & SM4 micrometer. | $ 2,290.00 |
|
| PT-AL270 | Pentax AL-270 27x Automatic Level (circle, est to 6'), includes case. | $ 820.00 |
|
| PT-AL240 | Pentax AL-240 24x Automatic Level (circle, est to 6'), includes case. | $ 725.00 |
|
| PT-SM4-i | For AL-320 series, includes SM1-i micrometer and PC7 counterweight with .002 inch reading. | $1150.00 |
|
| PT-SM4-m | For AL-320 series, includes SM1-m micrometer and PC7 counterweight with .1mm reading. | $1150.00 |
|
Automatic Levels - AL Series Specifications
| AL-320S | AL-320 | AL-270 | AL-240 | |
| Telescope | ||||
| Image | Erect | |||
| Magnification | 32x | 27x | 24x | |
| Effective Aperture | 45mm | 40mm | 36mm | |
| Field of view (@ 100m/ft) | 2.3m/2.3 ft | 2.5m/2.5 ft | ||
| Minimum focus (m/in.) | 0.5m/20 in | 0.3m/12 in | ||
| Resolving Power | 2.5" | 3.0" | 3.5" | |
| Stadia Ratio | 1:100 | |||
| Stadia Constant | 0 | |||
| Horizontal Circle | ||||
| Minimum Division | 10' | 1° | ||
| Estimation | 1' | 0.1° | ||
| Type | Glass | Metal | ||
| Diameter | 88mm | 96mm | ||
| Compensator | ||||
| Type | Metallic Strand | |||
| Damping | Magnetic | |||
| Range | ±12' | |||
| Setting Accuracy | ±0.3" | ±0.5" | ||
| Accuracy | ||||
| Standard Deviation (without Micrometer) | ±0.8mm | ± 1.5mm | ±2.0mm | |
| Single
Reading Fraction of inch at 100' |
2.01/64 | 2.35/64 | 2.53/64 | |
| Range | ||||
| Read Rod Graduations @ | 490 ft. | 390 ft. | 330ft. | |
| Sensitivity of Vial | ||||
| Circular Vial | 8'/2mm | |||
| Leveling Base | ||||
| Type | 3 Screw | |||
| Tripod | Flat or Dome | |||
| Weight | 3.6kg / 7.9 lbs | |||
____Field Accessories___________________________________
.....................................
| Tripods | |||
| CST-60-ALVQR20-1 | Heavy Duty Aluminum Tripod | $99.00 |
|
| Rods | |||
| ISE-06-808A | Squared off Aluminum Telescoping 8' Rod in tenths | $50.00 |
|
| ISE-06-808C | Squared off Aluminum Telescoping 8' Rod in inches | $50.00 |
|
| ISE-06-813 | Squared off Aluminum Telescoping 13' Rod in tenths | $65.00 |
|
| ISE-06-813C | Squared off Aluminum Telescoping 13' Rod in inches | $65.00 |
|
| NW-NAR14M | 4m rod in m, dc, cm | $70.00 |
|
| ISE-06-816 | Squared off Aluminum Telescoping 16' Rod in tenths | $85.00 |
|
| ISE-06-816C | Squared off Aluminum Telescoping 16' Rod in inches | $85.00 |
|
| ISE-06-805M | 5 meter rod; 1/2 cm, mm alt yellow and white face. | $85.00 |
|
Brochures
are available in PDF format where you see this symbol: 
 |
Copyright © 1997-2003. Instrument Sales.
Copyright
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