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Spectra Precision Automatic Dumpy Levels

 


Designed for Builders & Construction companies

Spectra Preicison can trace it's history back to the first automatic level in 1950 by
Carl Ziess.
First established as the surveying and construction division of Spectra Physics, Spectra Precision now brings together some of the biggest names in the Surveying, Construction and Accessory industries.

From automatic levels, through the conventional and robotic total stations, Spectra Precision is one of the world's leading brands under the Trimble Navigation group of companies.

 

Spectra Precision AL24M Automatic Dumpy Level

Spectra Precision AL-24M
Magnification 24x

1km Double Leveling Run Accuracy +/- 2mm




These instruments are checked, calibrated and certified by Accurate Instruments then fitted with a shockwatch.



Specifications


 

AL-24M

Magnification

24x

Aperture

30mm

Minimum focus

0.60m

Stadia ratio

1:100

Std deviation per 1km double run

+/- 2mm

Suspension

wire hung

Dampening

magnetic

Compensator range

+/- 16’

Tangent screw

infinite

Vial sensitivity

10’ per 2m



Calibration

Once shipped from the manufacturer, Accurate Instruments’ Optical and Electronic Service Centre calibrates
all instruments on collimators and ranges, and then fits them with the appropriate shockwatch, calibration sticker and test calibration certificate. Shockwatches indicate whether an instrument has been dropped.

What is the standard package?

The Spectra Precision auto level packages include the level, heavy duty aluminium tripod, carry case, shockwatch,
calibration sticker and calibration certificate.
Optional aluminium 5m and fiberglass 7.6m staves, bags and bubbles are available.

Please phone to discuss a package to suit your requirements



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