MORTAR PENETROMETER
ASTM C-403 Mortar Penetrometer for Concrete Setting Time & Hardening Rate Testing
Mortar Penetrometer Test, Concrete Setting Time Apparatus, Proctor Penetrometer, ASTM C403, IS 8142
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Mortar Penetrometer
Product Code: MSI 2015
Product Description:
The Mortar Penetrometer (Proctor Type Setting Time Apparatus) is a heavy-duty laboratory system engineered to determine the exact initial and final setting times of concrete mixtures by testing sieved mortar samples. Built in strict accordance with ASTM C403 and IS: 8142, this instrument consists of a spring-loaded loading frame equipped with a direct-reading force dial indicator capacity up to 100 kgf or more. The complete kit is supplied with a comprehensive set of six interchangeable stainless steel penetration needle tips (ranging from 1 sq. in. down to 1/40 sq. in.) and a rigid carrying handle, enabling quality control technicians to map precise rate-of-hardening stress graphs
🎯 Applications
Concrete Hardening Rate Analysis
Initial & Final Setting Time Determination
Admixture & Accelerator Evaluation
Cement and Mortar Research & Development
Civil Engineering Testing Laboratories
Ready Mix Concrete (RMC) Quality Control
Construction Material Analysis
⭐ Features
Standard Compliance: Engineered strictly according to ASTM C-403 specifications.
Interchangeable System: Set of 6 precision needles to cover all stages of the hardening curve.
Visual Calibration: Clear visual depth indicators marked on needle shanks at every 12.5 mm.
Peak Load Retention: Features a sliding ring on the graduated stem that holds its position at maximum force.
Wide Load Scale: High-capacity stem graduated from 0 to 70 kg for comprehensive testing.
Premium Protection: Supplied complete in a heavy-duty wooden carrying case for safe storage.
⚙️ Technical Specifications
Parameter Specification
Standard : ASTM C-403
Test Method : Mortar Penetration Resistance
Load Scale Range : 0 to 70 kg
Scale Graduation : 1 kg increments
Needle Face Areas : 645, 323, 161, 65, 32, and 16 mm²
Needle Shank Markings : Every 12.5 mm
Standard Testing Depth : 25 mm
Operation : Manual (Spring-Loaded Handle)
📦 Standard Supply Includes
Mortar Penetrometer Stem Assembly (with Graduated Scale)
Set of 6 Interchangeable Penetration Needles
Sliding Peak Force Indicator Ring
Premium Wooden Carrying Case
Operating Manual
🔬 Working Principle
Mortar is sieved from the fresh concrete sample and placed in a testing container. A chosen needle (starting with the largest area, 645 mm²) is attached to the penetrometer shank. The operator pushes the handle downwards until the needle penetrates the mortar to a depth of 25 mm, using the 12.5 mm graduation marks on the shank to ensure precise alignment.
The force required to reach the 25 mm depth is indicated on the graduated stem and locked into place by the sliding ring. As the mortar cures and its resistance increases, the operator progressively switches to smaller needle sizes (323 down to 16 mm²). The recorded force values are multiplied by the needle area factors to calculate penetration resistance in MPa or kg/cm², defining the exact transition of the concrete into its hardened state.
💡 Advantages
Full curing profile from initial placement to final set using a single instrument.
Highly granular tracking due to the wide 0–70 kg spring scale.
Eliminates calculation depth errors with highly visible shank markings.
Prevents reading errors via the positive-action sliding indicator ring.
Secure and long-lasting storage provided by the fitted wooden transit case.
🤝 Why Choose Multitech Scientific Instruments?
Precision-engineered concrete testing equipment.
Manufactured strictly to International Standards.
High-quality fabrication and robust material choices.
Consistent and reliable performance.
Competitive pricing models.
Excellent after-sales technical support.
Trusted by laboratories, contractors, consultants, and educational institutions globally.
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