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David White Automatic Dumpy Levels

 


Designed for Builders & Construction companies

David White Company was founded in 1895 in Wisconsin, U.S.A.
In 1900, an organized partnership manufactured drawing and surveying instruments.
Incorporated in 1912, David White products became widely recognized for high quality craftsmanship in specialized optics.

Today, the David White name continues to provide productivity tools for leveling, layout and measuring in the building, construction and surveying industries.

 

David White AL822 Automatic Dumpy Level

David White AL8-22
Magnification 22x

Leveling Accuracy - 1.6mm@30m

 

David White AL826 Automatic Dumpy Level

David White AL8-26
Magnification 26x

Leveling Accuracy - 1.6mm@60m

 

David White AL828 Automatic Dumpy Level

David White AL8-28
Magnification 28x

Leveling Accuracy - 1.6mm@75m

 

 

David White AL832 Automatic Dumpy Level

David White AL8-32
Magnification 32x

Leveling Accuracy - 1.6mm@75m

 



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



Specifications


 

AL822

AL8-26

AL828

AL832

  Magnification

22x

26x

28x

32x

  Aperture

36mm

36mm

36mm

36mm

  Minimum focus

1m

1m

1m

1m

  Stadia ratio

1:100

1:100

1:100

1:100

  Accuracy

 +/- 1.6mm@30m

 +/- 1.6mm@60m

 +/- 1.6mm@75m

 +/- 1.6mm@75m

  Suspension

wire hung

wire hung

wire hung

wire hung

  Dampening

magnetic

magnetic

magnetic

magnetic

  Compensator range

+/- 15’

+/- 15’

+/- 15’

+/- 15’

  Tangent screw

infinite

infinite

infinite

infinite

  Vial sensitivity

8’ per 2m

8’ per 2m

8’ per 2m

8’ 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 and instrument has been dropped.

What is the standard package?

The David White auto level packages include the level, heavy duty aluminum tripod, carry case, shockwatch,
calibration sticker and calibration certificate. Optional aluminum 3m, 5m and 7.6m staves, bags and bubbles are
available.
Please phone to discuss a package to suit your requirements

 


Accurate Instruments (NZ) Ltd. is a 100% New Zealand owned company.
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