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General Items
AGGREGATE IMPACT TESTER WITH BLOW COUNTER AZA0983
The AZA0983 Aggregate Impact Tester with Digital Blow Counter is a precision-engineered laboratory apparatus used to determine the Aggregate Impact Value (AIV) of coarse aggregates. It is designed to evaluate the toughness and resistance of aggregates used in road pavements, highways, and structural concrete.
This equipment is manufactured for durability, accuracy, and long service life, and is fully compliant with IS:2386 (Part IV) and BS 812 standards.
Key Features
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Determines Aggregate Impact Value (AIV) for pavement materials
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Integrated digital blow counter for accurate strike counting
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Conforms to IS:2386 (Part IV) and BS 812
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Heavy-duty, vibration-resistant frame
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Cylindrical steel cup and standard impact hammer
Description
Purpose of the Test
The AIV test measures the resistance of aggregates to sudden impact or shock loads. This is crucial for understanding how aggregates will perform under repeated traffic loads and heavy vehicle movement.
Lower AIV values indicate stronger and more durable aggregates suitable for:
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Highway roads
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Airport runways
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Industrial pavements
Working Principle
A prepared aggregate sample is placed inside a hardened steel cylindrical cup. A standard impact hammer (13.5–14 kg) is dropped freely from a height of 380 mm.
The built-in digital blow counter accurately records each strike. Standard testing involves 15 blows. After testing, the crushed material is sieved and the percentage of fines is used to calculate the Aggregate Impact Value (AIV %).
Included Components
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Cylindrical Steel Cup
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Impact Hammer
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Guide Rod Assembly
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Digital Blow Counter
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Heavy Cast-Iron Base Frame
Applications
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Highway and road material testing
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Civil engineering laboratories
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University and research institutions
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Asphalt and RMC plants
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Construction QA/QC departments
Technical Specifications
| Parameter | Details |
|---|---|
| Model No. | AZA0983 |
| Standard Compliance | IS:2386 (Part IV), BS 812 |
| Hammer Weight | 13.5 – 14 kg |
| Drop Height | 380 ± 5 mm |
| Blow Counter | Digital (LED Display) |
| Cup Material | Hardened Steel |
| Base Frame | Cast iron with anti-vibration mounts |
| Power Supply | 220V AC |
| Approx. Weight | 45–50 kg |
FAQ
Q1: What is this apparatus used for?
It is used to determine the Aggregate Impact Value (AIV) of coarse aggregates.
Q2: Why is the blow counter important?
It ensures accurate and consistent counting of hammer strikes during the test.
Q3: How many blows are applied in the test?
15 standard blows as per IS and BS standards.
Q4: Does it require frequent calibration?
Only the digital counter requires periodic checking; the mechanical parts are low maintenance.
Q5: Can this be used at construction sites?
Yes, it is suitable for both laboratory and field-level quality control.
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Key Features
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Key Features
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Key Features
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Used for measuring bulk density and void ratio of aggregates
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Available in standard capacities: 3L, 5L, and 15L
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Heavy-duty mild steel / aluminum construction
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Smooth, accurately machined internal surfaces
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Supplied with tamping rod and leveling accessories
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Corrosion-resistant, long-life surface finish
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Easy-grip handles for portability
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Key Features
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Designed for fast classification of coarse particles
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Suitable for soil and aggregate testing
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Heavy-duty stainless steel / galvanized steel construction
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Precision-welded square or rectangular grid openings
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Corrosion-resistant, abrasion-resistant long life design
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Compatible with standard manual and mechanical sieve shakers
REID VAPOR PRESSURE TESTER AZA1321
- Floor-Standing Design with stainless-steel working table for strength and easy operation
- Digital Temperature Controller for precise and uniform water bath heating
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- Rugged Construction for long-term laboratory and industrial use
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The AZA0974 Shape Index Caliper is a precision hand-held measuring instrument designed to evaluate the shape index of coarse aggregates by measuring their flakiness and elongation values. It is an essential tool in construction material testing, helping laboratories and site engineers ensure that aggregates meet dimensional and performance standards as per IS 2386 (Part I).
Key Features
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Evaluates shape index of coarse aggregates
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Measures both flakiness and elongation characteristics
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Durable stainless steel / hardened steel construction
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Precision engraved measuring scale
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Ergonomic, easy-to-handle manual design
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Suitable for laboratory and on-site field use
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Fully compliant with IS 2386 (Part I)
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Key Features
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- Suitable for both fine and coarse aggregates
- Heavy-duty, corrosion-resistant construction
- High accuracy and repeatable results
- User-friendly configuration for lab and field use