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CST/berger ALH Automatic Laser Level

with Manual Grade override


WATERPROOF AND DUSTPROOF to IP67
CST/berger ALH

This instrument is
checked, calibrated
and certified by
Accurate Instruments
then fitted with a shockwatch.
 LD440 receiver
CST/berger ALH Kit CST/berger ALH Site


Who and what is the ALH designed for ?

The CST/berger ALH is a completely waterproof automatic horizontal laser level with electronic servo motors.
It also features a manual over ride for single grades.

With its auto leveling and high accuracy of +/- 1.6mm per 30m (10" sec arc) this laser is
designed for builders, commercial contractors and concrete placers.

It has motorized self leveling with anti-drift. To operate, simply press the power button and walk away.

When used in the manual mode to do a single direction slope or grade, the 'up' and 'down' arrows can be pressed
to make the laser slope up or down for simple slopes like driveways and basic drainage.


What functionality does the ALH have ?

  • Automatic Horizontal Leveling - with servo motors.

  • Grade - built in manual over ride allows grade capability with up and down arrows

  • Anti Drift System - indicates whether the instrument has been moved out of position

  • Manual Mode - laser can be used for level in manual or automatic modes


What are the Specifications ?

ALH Laser
  • Range : 425m radius / 850m diameter
  • Accuracy : +/-1.6mm per 30m (10 sec arc)
  • Rotational coverage : 360 degrees
  • Rotation speed : 600rpm
  • Power supply : four 'D' cell batteries
  • Battery Life : 75 hours approx with alkaline batteries

LD440 receiver

  • 3 accuracy modes
    Fine: +/- 0.75mm, Std: +/- 1.5mm, Coarse: +/-3mm
  • Power supply : 2x AA batteries
  • Speaker volume : off, low, med, high
  • Displays : front & rear LCD
  • Reception angle : 90 degrees
  • Auto shut : off after 6 min.
  • Rotation capability : 50 - 1000 rpm
  • Elevation displays : 7 channel display

What is the warranty ?

The 3 year Warranty covers any defects in materials or workmanship.


Calibration

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


What is the standard package and what are my options ?

A standard construction package usually consists of the laser, receiver, heavy duty aluminium tripod, carry case,
shockwatch, alkaline batteries, calibration sticker and Test calibration certificate.

Optional staves and re-chargeable battery kits etc are also available.

Please phone to discuss a package to suit your requirements.

 

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