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  • Triaxial Shear Strength
  • Consolidation
  • Unconfined Compressive Strength
  • Direct Shear Strength
  • Permeability
  • California Bearing Ratio (CBR)
  • Geotextile Testing
  • Proctor Compaction / Classification
  • Soil-Cement
  • Load & Displacement Measurement
  • Load Frames
  • Latex Membranes
  • Porous Stones
  • Data Acquisition Software
  • Sample Preparation
  • Aggregates
  • Asphalt
  • Sieve Analysis
  • About Us
  • Contact us
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    • Home /
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    • Proportional Calipers
    Proportional Calipers
    Proportional Calipers

    Proportional Calipers

    • Product ManualProduct Manual (Model 9101)
    • Product ManualProduct Manual (Model 9101-B)
    Meets Standard(s)
    • ASTM D4791
    Proportional CalipersProportional CalipersProportional Calipers
    Proportional Caliper

    Proportional Caliper

    9101
    $157.00
    Four-Station Proportional Caliper

    Four-Station Proportional Caliper

    9101-B
    $180.00
    • Description
    • Specifications
    • Questions?

    Proportional Caliper device is used to evaluate the performance of materials or mixes by determining percentages of flat particles and elongated particles, as well as shape characteristics, in coarse aggregate fractions of 0.375in (9.5mm) or larger.

    To determine the shape of flat particle sizing, set the width of a particle in the larger end of the caliper and tighten the pivot screw. Check the same particle in the smaller measuring end without adjusting the caliper. If the particle fits within the smaller gap, it is considered a flat particle. To determine the shape of elongated particles, follow the same steps. If the particle is longer than the small measurement in both situations, the particle is neither flat nor elongated.

    The base plate and pivot arms of the Proportional Calipers are constructed of 7 gauge steel, and the upright posts are constructed of steel. Base plates, posts, and pivot arms are yellow zinc plated. Proportional Calipers feature opening ratios of 1:2, 1:3, 1:4, and 1:5, and are available in two models:

    9101 Proportional Caliper features fixed posts and four threaded openings for repositioning the pivot screw to the required ratios. Dimensions are 16x6x3in (406x152x76mm), WxDxH.

    9101-B Four-Station Proportional Caliper features openings for all four ratios with no need to reposition the pivot screw. Dimensions are 16x8x3in (406x203x76mm), WxDxH.

    Features:

    • Corrosion-resistant plated steel construction
    • Ideal for fractions of 0.375in (9.5mm) or larger
    • Replaceable posts

    Included Items:

    • Proportional Caliper
    Product Dimensions

    Model 9101: 16 x 6 x 3in (406 x 152 x 76mm) WxDxH

    Model 9101-B: 16 x 8 x 3in (406 x 203 x 76mm) WxDxH

    Estimated Shipping Weight

    9101: 8.0lb (3.63kg)

    9101-B: 9.0lb (4.08kg)

    Please enter your questions/comments and contact information below. A Karol-Warner customer service representative will respond during business hours (8am - 5pm EST, Monday through Friday).

     
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