Unit weight – Humboldt provides measures, strike-off plates and scales that support ASTM C29, C138, C192 standards for accurate measurement of the unit weight of concrete, a key step in determining strength, workability, and durability. It’s also used to estimate strength based on the maturity concept. SmartRock2 Wireless Maturity Sensor – This rugged, mobile app-based sensor continuously monitors concrete temperatures from fresh to hardened stage. Humboldt Concrete Maturity Sensor System – Our complete maturity sensor system utilizes CMOTS to provide a wireless and reusable system for continuous monitoring of concrete temperatures, maturity and strengths by computer, phone or tablet. ![]() The testing can aid in decisions regarding concrete curing conditions and mix design. Maturity Meters - Concrete maturity testing assesses compressive strength, supporting ASTM C107. The H-3635 Deluxe Slump Cone Set includes the Standard Cone Set plus a brush, scoop and funnel to aid in filling the slump cone. The H-3637 Standard Slump Cone Set provides the basic test components, including slump cone, base plate and tamping rod, in an easy-carry configuration. When the cone is lifted from the concrete, the distance between the top of the cone and the top of the subsided concrete is known as the slump. A slump cone or Abrams cone is filled with fresh concrete. Slump Test Equipment - The concrete slump test measures the consistency, or workability, of fresh concrete in accordance with ASTM C143 and ASTM C143M. Pressure is released into the base by an external, brass, quick-release T-valve. ![]() The H-2786C Concrete Air Meter features a simplified, low-maintenance design, which uses no moving parts inside the chamber. The H-2783 Concrete Air Meter – This easy-to-use meter features Humboldt’s all-brass Super Pump, the most reliable and highest quality pump available. The H-2784 Super Air Meter – This high-quality air meter measures air void spacing and air volume of fresh concrete to help users better understand the freeze-thaw durability of fresh concrete. Humboldt provides a full range of fresh concrete testing equipment for construction jobs of all sizes, in accordance with ASTM C321 and other standards. ![]() We’re your one-stop source for concrete air meters, compression machines, concrete test hammers, corrosion testing, ultrasonic tests, testing for moisture in cured slabs, concrete cylinder testing, and all related accessories. Humboldt provides a complete selection of concrete testing equipment for fresh and in-place concrete structures in accordance with ASTM, AASHTO and other standards.
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