80 YEARS · 1946-2026
Elcometer 900 Concrete Crack Microscope
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About this product

The Elcometer 900 Concrete Crack Microscope (part number W90018568-D) is a simple, graduated x50 magnification microscope with internal illumination, used to measure the width of cracks in concrete and similar surfaces. Crack width is a key indicator of the condition of concrete structures, since widening cracks can signal structural movement or distress, so being able to measure them accurately on site informs inspection and maintenance decisions.

The Elcometer 900 Concrete Crack Microscope uses a scaled lens with graduated reticules. The user views the crack, counts the number of graduated reticules it spans on the scale, and calculates the width from that count, giving a quick and direct measurement in the field. The x50 magnification of the Elcometer 900 Concrete Crack Microscope resolves fine cracks, and the internal illumination lights the surface so readings can be taken without a separate light source.

Powered by one LR03 (AAA) battery, the Elcometer 900 Concrete Crack Microscope measures 120 x 43 x 115 mm and weighs 145 g, making it easy to carry during structural and surface inspections. Used by concrete and structural inspectors, the Elcometer 900 Concrete Crack Microscope is supplied by BAMR, South Africa's authorised Elcometer distributor.

Elcometer

Elcometer 900 Concrete Crack Microscope

SKU · W90018568-D

The Elcometer 900 Illuminated (x50) Microscope is a simple, graduated x50 magnification microscope with internal illumination.

  • x50 magnification microscope
  • Internal illumination
  • Graduated reticules Allows the user to quickly determine the width by counting the number of graduated reticules on the scaled lens and then calculating the value
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Used by inspection teams in
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When to use this
Decision guide

When to use the Elcometer 900

You reach for the Elcometer 900 when you need to measure the width of a crack in concrete or a coating, not just see it. At x50 magnification with a graduated reticule and internal light, it turns a visible crack into a counted, scaled value on site.

  • 1
    Graduated reticule measures width
    The scaled lens lets you count reticules across a crack and calculate its width, turning a subjective look into a number you can record and trend over time.
  • 2
    Internal illumination
    Built-in light lets you read fine cracks in shaded structures and poorly lit site conditions where ambient light would not resolve the edges.
  • 3
    x50 magnification
    Fifty times magnification resolves narrow cracks that the eye cannot size accurately, which matters when a crack width drives a repair decision.
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Specifications

General

Part Number
W90018568-D
Description
Elcometer 900 Microscope
Battery Type
1 x LR03 (AAA)
Dimensions
120 x 43 x 115 mm
Weight
145g
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Answers

Frequently asked questions

What magnification does the Elcometer 900 provide?

The Elcometer 900 is a simple, graduated x50 magnification microscope with internal illumination.

What battery does the Elcometer 900 use?

It uses a single LR03 (AAA) battery.

How large and heavy is the Elcometer 900?

The instrument measures 120 x 43 x 115mm and weighs 145g.

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