CSTberger ALH - Accurate Instruments (NZ) Ltd.

IP67 WATERPROOF AND DUSTPROOF
	This instrument is checked, calibrated and certified by Accurate Instruments then fitted with a shockwatch.

Accuracy +/- 1.6mm per 30m

Who and what is the ALH designed for ?

The CSTberger 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)
Rotation coverage : 360 degrees
Rotation speed : 600rpm
Power supply : four 'D'' cell alkaline batteries
Manual Grade : Yes
Battery Life : 60 hours approx with alkaline batteries

LD440 receiver

3 accuracy modes
+/- 0.75mm fine, +/-1.5mm standard, +/-3mm coarse
Speaker volume : off, low, high
Reception angle : 90 degrees
Power supply : 2x “AA” alkaline batteries
Displays : Front and rear
Elevation display : 7 channel display
LED on grade lights : Yes
Anti reflection sensor : Yes

What is the warranty ?

The 3 year Warranty covers any defects in materials or workmanship
PLUS
the internal leveling mechanism, laser diode, optics and rotating mirror against damage from any cause.

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.