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General Items
AZA 1115 MORTAR PENETROMETER
- Complies with ASTM C403 Standard
- Used to determine rate of hardening of mortar
- Spring-loaded stem graduated from 0 to 70 kg (1 kg divisions)
- Includes six interchangeable penetration needles
- Measures 25 mm penetration resistance
- Marked shanks at every 5 mm for depth tracking
- Supplied in a protective wooden carrying case
Description
ASTM C403 Mortar Penetrometer – Mortar Hardening Test Tool | Azalab
The Azalab ASTM C403 Mortar Penetrometer is a high-precision testing device used to measure the rate of hardening of mortar extracted from freshly mixed concrete. The instrument provides accurate penetration resistance readings, as required by ASTM C403, enabling quality control engineers to determine both initial and final setting times of cement-based mixtures.
The apparatus consists of a calibrated spring mechanism connected to a stem graduated from 0 to 70 kg in 1 kg increments. A sliding ring indicates the force exerted during testing. Six interchangeable stainless steel needles of different surface areas are included for various stages of mortar stiffness.
The penetrometer is suitable for both laboratory and field use and is supplied in a wooden carrying case for safe storage and portability.aza
Specifications
| Feature | Detail |
|---|---|
| Standard Compliance | ASTM C403 |
| Measurement Range | 0–70 kg (graduated in 1 kg increments) |
| Penetration Needles | 6 needles – Areas: 645, 323, 160, 65, 32, 16 mm² |
| Penetration Depth | Measured at 25 mm, with depth marks at every 12.5 mm |
| Display Type | Analog – spring-based with sliding ring |
| Construction | Hardened steel stem, plated components |
| Carrying Case | Included – polished wooden box |
| Application | Mortar extracted from concrete mixes (sieved) |
Applications
-
Determining initial and final setting time of mortar
-
Measuring hardening rate of sieved mortar from concrete
-
Used in construction sites, QA/QC labs, cement and RMC plants
-
Evaluating penetration resistance at controlled depths
-
Ensuring concrete setting conforms to ASTM specifications
Frequently Asked Questions (FAQ)
Q1: What is the purpose of this penetrometer?
It measures the penetration resistance of mortar to determine its setting time and hardening rate, as per ASTM C403.
Q2: Can it be used with concrete directly?
No – the test is conducted on mortar sieved from fresh concrete, not the full mix.
Q3: What are the surface areas of the supplied needles?
Six needles are provided with the following areas: 645, 323, 160, 65, 32, and 16 mm².
Q4: How is the penetration measured?
Penetration resistance is gauged by the force required to penetrate 25 mm of mortar, marked on the stem and indicated by a sliding ring.
Q5: Is calibration required?
Yes – for accurate results, periodic calibration is recommended. Azalab offers calibration services upon request.
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