(512) 452-8848 | rainhart@instrotek.com

Aggregate Apparent Specific Gravity Device

Product Info

Contact Us for Pricing

Spec Sheet

The Rainhart Langley Apparent Specific Gravity Device is an automatic device allowing lab technicians to conduct apparent specific gravity testing with the press of a button. Once started the Langley precisely roll and agitate the flask at an optimum angle to remove all air bubbles from the flask. Eliminating operator error and saving 15-30 minutes of manually shaking and turning of the flask. By quickly and accurately providing apparent specific gravity results lab technicians can confidently determine the absorption of the fine aggregates.

Features & Benefits:

  • Meets ASTM C128-93 & AASHTO T84 standards
  • Produces repeatable results in less than 15 minutes
  • Safe, quiet & easy-to-use operation
  • Eliminates operator errors and inconsistent results
  • Removes operator judgment calls
  • Large LCD digital timer
  • Specialized motor for prolonged cycle use
  • Compact bench top design


  • Shipping weight: 6.4lbs
  • Dimensions: Approximately 9”W X 10.5”D X 6.5”H
  • Motor:  115vac / 60 hz
  • 220vac / 50 hz

Automate and increase the repeatability and accuracy of your test with Langley.

    Close (esc)


    Use this popup to embed a mailing list sign up form. Alternatively use it as a simple call to action with a link to a product or a page.

    Age verification

    By clicking enter you are verifying that you are old enough to consume alcohol.


    Shopping Cart

    Your cart is currently empty.
    Shop now