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Setting Time by Penetration Resistance

This method covers the determination of setting time of the mortar fraction of concrete mixes and is only suitable on mortars with slump values greater than zero. The definition of the initial and final setting time is taken as the period from when water was first added to the mix until the measured penetration resistance is 500 lbf/in² and 4000 lbf/in² respectively.

Syringe with Rubber Bulb.

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82-2820

Proctor Penetrometer Spring Type with Adaptor Stem.

Supplied complete with set of needles, 29-3929

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29-3925

Pocket Concrete Penetrometer

  • Direct-Reading Scale From 0 To 700 Psi
  • Indicator Sleeve Holds Reading Until Released
  • Lightweight  Pocket-Size Design
  • Includes Convenient Belt-Loop Style  Canvas Carrying Case
  • Steel Shaft Needle With 1/20 Sq. In. Surface Area  
  • Indicator Sleeve Holds Reading Until Released
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38-2695

Set of Needle Points 1 1/2 1/4 1/10 1/20 1/40 Inch Sq.

Stainless steel, 1, 1/2, 1/4, /10, 1/20 and 1/40 in2 area (645, 323, 161, 65, 32 and 16 mm2) with Stainless Steel adaptor for the smaller needles. For use with 29-3925 Proctor Penetrometer (Spring Type). 

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34-0810