Rock
Aggregate
Cement
Concrete
Soil
Steel
Bitumen/Asphalt
Security Survey Equipment
General Items
LENGTH GAUGE AZA0971
The AZA0971 Length Gauge is a precision construction materials testing instrument designed to determine the elongation index of coarse aggregates. It is an essential tool for evaluating particle shape characteristics, which directly influence the strength, durability, and workability of concrete and asphalt mixes. The gauge is manufactured to strict quality standards, ensuring reliable and repeatable results in laboratory and field environments.
Key Features
-
Designed for determining elongated particles in coarse aggregates
-
Essential for concrete, bituminous, and road material analysis
-
Precision metal frame with standard machined slot dimensions
-
Heavy-duty, corrosion-resistant construction
-
Accurate performance as per international and national standards
Description
The AZA0971 Length Gauge helps identify undesirable elongated aggregate particles (length > 1.8 × mean particle size), which can negatively affect compaction, mechanical interlock, and load-bearing performance in concrete and pavement structures.
When used together with a thickness gauge, this system provides a complete aggregate shape index evaluation solution, improving overall material quality control for highways, bridges, airfields, and structural concrete works.
Applications
- Coarse aggregate shape analysis
- Road and highway material quality control
- Ready-mix concrete plant testing
- Construction site material inspection
- Academic and research laboratories
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | AZA0971 |
| Slot Dimensions | 63, 50, 40, 31.5, 25, 20, 16 mm |
| Elongation Criteria | Length > 1.8 × mean sieve size |
| Material | Mild steel / Stainless steel |
| Frame Type | Heavy-duty, corrosion-resistant |
| Slot Accuracy | Machined as per IS 2386 requirements |
| Operation | Manual |
| Dimensions (Approx.) | 300 × 100 × 150 mm |
| Weight | Approx. 3 – 5 kg |
| Standards | IS 2386 (Part 1), ASTM C295 |
Standard Accessories
- Length gauge frame with slots
- User manual
- Calibration certificate
FAQ
Q1: What is the elongation index?
It is the percentage by weight of particles whose length exceeds 1.8 times their mean sieve size.
Q2: Why is this test important?
Elongated particles reduce concrete strength, compaction, and long-term durability.
Q3: Can AZA0971 be used alone?
It measures elongation, but it is recommended to use it along with a thickness gauge for complete shape index testing.
Q4: Is it suitable for field work?
Yes, the robust and portable design makes it ideal for both laboratory and site use.
Q5: How is the test performed?
Aggregates are passed through the standard slots, elongated particles are separated, weighed, and used to calculate the elongation index.
Additional information
| Slot Dimensions |
63, 50, 40, 31.5, 25, 20, 16 mm |
|---|---|
| Elongation Criteria |
Length > 1.8 × mean sieve size |
| Material |
Mild steel or stainless steel |
| Frame Type |
Heavy-duty, corrosion-resistant |
You may also like…
ADVANCED TRIAXIAL TEST SYSTEM (UU–CU–CD CAPABLE) AZA1296
The AZA LAB Advanced Triaxial Test System AZA1296 is a fully automated geotechnical laboratory testing system designed for accurate determination of soil shear strength and deformation characteristics under controlled stress and drainage conditions.
The system supports all major triaxial compression testing modes including:
- Unconsolidated Undrained (UU)
- Consolidated Undrained (CU)
- Consolidated Drained (CD)
Engineered for high-precision geotechnical analysis, the AZA1296 replicates in-situ soil stress conditions to evaluate soil stability, strength behavior, pore pressure response, and failure mechanisms under axial loading.
The system integrates servo-controlled loading, automatic pressure regulation, real-time pore pressure monitoring, automated data acquisition, and advanced software analysis, making it ideal for geotechnical laboratories, civil engineering projects, infrastructure development, research institutions, and academic applications.
AIR BAG TRAINER AZA1246
The AZA1246 AZALAB Air Bag Trainer is a comprehensive educational training platform designed to demonstrate the structure, operation, diagnostics, and fault analysis of modern automotive airbag systems, also known as Supplemental Restraint Systems (SRS). Built using OEM automotive components, this trainer delivers a realistic learning experience while maintaining complete operational safety.
This system is ideally suited for automotive engineering colleges, ITIs, polytechnic institutes, vocational training centers, and service technician programs, enabling both theoretical instruction and hands-on diagnostics practice.
ALTERNATOR TRAINER AZA1247
The AZA1247 AZALAB Alternator Trainer is a hands-on automotive electrical training system designed to demonstrate the working principles, construction, and diagnostics of an automotive alternator with external voltage regulation. Built using OEM automotive components, this trainer provides a realistic and safe learning platform for students, technicians, and trainees to understand vehicle charging systems in depth.
This system is ideal for automotive engineering institutes, ITIs, polytechnics, vocational training centers, and service technician programs, supporting both theoretical instruction and practical experimentation.
ARC WELDING MACHINE AZA1234
The AZA1234 Arc Welding Machine by A Z A Lab is a high-performance industrial welding solution engineered for demanding fabrication, maintenance, and structural welding applications. Designed using advanced inverter technology, this machine delivers superior arc stability, high efficiency, and reliable welding performance across a wide range of electrode types and materials.
With an inverter frequency of up to 20 kHz, the AZA1234 ensures fast dynamic response, reduced spatter, and excellent weld bead appearance. Its robust electrical design supports a high duty cycle, allowing continuous operation under heavy loads while maintaining consistent welding output—even with output cable lengths of up to 100 meters.
AUOTFLASH AUTOMATED ABEL FLASH POINT ANALYZER AZA1277
The AutoFlash-1277 (Model: AZA1277) from AZA Lab is a fully automated, microcontroller-based Abel Flash Point Analyzer designed for accurate, safe, and repeatable determination of flash points of combustible liquids. Engineered to meet stringent international testing requirements, this advanced instrument conforms to IP 170, ISO 13736, and IS 1448 (Part 20) standards.
Covering a standard temperature range of –30°C to 70°C, extendable up to 110°C, the AZA1277 is ideally suited for laboratories involved in petroleum testing, petrochemical quality control, fuels research, and regulatory compliance.
AUTODIST-86 GLASS DISTILLATION UNITAZA1282
The AutoDist-86 Glass Distillation Unit (Model AZA1282) is a high-performance laboratory water distiller designed for the continuous production of high-purity distilled water.
Constructed entirely from borosilicate glass 3.3, the unit ensures zero metallic contamination, excellent thermal resistance, and long operational life. It is ideal for laboratories requiring consistent, low-conductivity distilled water for analytical, pharmaceutical, and research applications.Distillation Performance
- Distillate Output: Up to 4 L/hour (±10%)
- Suitable for routine and medium-scale laboratory demand
- Efficient removal of:
- Dissolved salts
- Heavy metals
- Organic/inorganic impurities
- Microbial contaminants
Related products
AGGREGATE CRUSHING VALUE APPARATUS AZA0982
Key Features
- Measures crushing strength of coarse aggregates
- Conforms to IS:2386 (Part IV) and BS 812 standards
- Precision-machined steel cylinder and plunger
- Heavy-duty, corrosion-resistant construction
- Supplied with complete accessories for immediate testing
DENSITY BASKET AZA0978
Key Features
- Used for specific gravity and water absorption tests
- Made from high-quality stainless steel mesh
- Equipped with a strong welded suspension hook
- Corrosion-resistant, rust-free and long-lasting
- Smooth welded edges to prevent sample damage
- Standardized mesh aperture for proper water flow
GRID SIEVES AZA0972
The AZA0972 Grid Sieves are heavy-duty screening tools designed for rapid particle size classification of coarse soils and aggregates. These sieves are ideal for quick, visual separation of gravel, crushed stone, and coarse sands in civil engineering, geotechnical, and construction materials laboratories. Their rugged construction makes them suitable for both laboratory and field applications.
Key Features
-
Designed for fast classification of coarse particles
-
Suitable for soil and aggregate testing
-
Heavy-duty stainless steel / galvanized steel construction
-
Precision-welded square or rectangular grid openings
-
Corrosion-resistant, abrasion-resistant long life design
-
Compatible with standard manual and mechanical sieve shakers
JAW CRUSHER AZA0990
Key Applications
- Crushing of rocks, minerals & hard aggregates
- Soil and geotechnical laboratories
- Cement plants and construction R&D labs
- Pre-processing for pulverisers and sieve shakers
- Mining and metallurgical laboratories
RIFFLE SAMPLE DIVIDER AZA0980A
Key Features
- Used for precise sample splitting of fine & coarse aggregates
- Uniform chute spacing for even material distribution
- Heavy-duty powder-coated steel body
- Supplied with two high-capacity collection pans
- Smooth-flow chute design to minimize material loss
- Simple, manual operation – no power required
SKID RESISTANCE AND FRICTION TESTER STANDARD AZA0985
The AZA0985 Skid Resistance & Friction Tester is a precision mechanical instrument designed to measure the coefficient of friction and skid resistance of pavement surfaces. Based on the pendulum operating principle, it accurately determines Skid Resistance Value (SRV) / British Pendulum Number (BPN) for both wet and dry surfaces.
This equipment is widely used by highway authorities, airport maintenance teams, civil engineering laboratories, and R&D institutions to ensure surface safety and compliance with international standards.
Key Features
-
Tests skid resistance of roads, runways & industrial floors
-
Conforms to ASTM E303 and BS 812 Part 114 standards
-
Fully mechanical pendulum system – no power required
-
Heavy-duty base with spring-loaded arm mechanism
-
Portable and field-friendly design
THICKNESS GAUGE AZA0970
The AZA0970 Thickness Gauge is a precision measuring instrument designed for accurate thickness measurement of coatings, films, metals, plastics, rubbers, and painted surfaces. Engineered for laboratory and industrial applications, this compact and reliable device ensures consistent quality control, compliance with standards, and improved material performance across multiple industries.
Key Features
-
High-precision thickness measurement for laboratory and field use
-
Suitable for metals, films, plastics, rubber, and paint coatings
-
Available in analog dial and digital LCD display models
-
Lightweight, compact, and portable design
-
Fast response time with stable, repeatable readings
-
Easy zeroing and calibration mechanism
