Description
82-CSM-1000 Length Measurement > Precision glass ruler with magnifier
The classic instrument for Length Measurement
Compared to the standard CS series, further increases in reading accuracy are possible with the chrome microscale. Here, a customized analog or digital dial indicator allows you to measure distances to one-tenth of a graduation. This enables precise measurements down to hundredths of a millimeter.
These precision glass measuring rulers feature graduations and numerals consisting of hard chrome that is vapor-deposited. A scale is available in metric or inches. A white strip serves as a background on one side of the numerals to allow them to be read easily. The chrome scales are equipped with two anodized handles on the sides for safe handling.
Precision magnifying glass (type Peak Lupe 2016 with 15x magnification factor and 12 millimeter field of view) in combination with the two illuminations ensures easy, error-free reading of the scale. The smallest increment on the inch scale is 0.005″. The minimum step on the metric scale is 0.1 millimeter.
These valuable precision glass measuring rulers are delivered in a sturdy wooden box to protect them from damage and are available in lengths of 300, 500, 800, 1000 mm. Special lengths on request. These glass measuring rulers have the advantage that their expansion is minimal when heated. Temperature variations therefore have hardly any effect when using chrome scale bars.
| Specifications | |||
| • | Upper measuring scale: Increment = 0.005 ” marking (small) 0 .05 .10 .. (inches) marking (large) 0 1.0 2.0 … (inches) |
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| • | Lower measuring scale: Increment = 0.1 mm marking (small) 0 0.1 0.2 .. (mm) marking (large) 0 10 20 … (mm) |
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The graduations and numerals are vapor-deposited with hard chrome on glass rods, offering high resolution and absolute scratch resistance. The lines have a thickness of 0.010 mm.
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| • | The white bands facilitate reading in dark areas. | ||
| • | INCREMENT accuracy according to DIN 864: ± (0.003 mm + 3L / 1'000'000) Example: L = 500 mm, graduation error <= 0.0045 mm (Size based on 20 ° C) |
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| • | Thermal expansion coefficient: 9 x 10-6 / ° C. | ||
| • | Refractive index = 1.5195 | ||
| • | Material = float glass (selected) | ||
| • | Scale not centered / centered on the glass element! (Multi-turn use) | ||
| • | Length of glass element = nominal length in inches x 25.4 mm / inch + 49 mm | ||
| • | Width of glass element = 39 mm | ||
| • | Thickness of glass element = 6 mm | ||
| • | Available in lengths (measuring range on dual scale): | ||
| 300 mm / 12″ = total length | 353.8 mm (± 1 mm) | ||
| 500 mm / 20″ = total length | 557.0 mm (± 1 mm) | ||
| 800 mm / 32″ = total length | 861.8 mm (± 1 mm) | ||
| 1000 mm / 40″ = total length | 1065.0 mm (± 1 mm) | ||
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