AZA 0939 DIGITAL PENETROMETER

Description

AZA 0939 Digital Penetrometer: Advanced Consistency Testing for Bituminous Materials by Azalab

The Azalab AZA 0939 Digital Penetrometer represents the pinnacle of precision and ease-of-use in determining the consistency of bituminous materials. This sophisticated instrument is crucial for civil engineering laboratories, road construction companies, and material testing facilities that demand highly accurate and reproducible results for bitumen, asphalt, and other semi-solid substances such as greases, waxes, and food products. Building upon the legacy of traditional penetrometers, the AZA 0939 integrates advanced digital technology and automation to streamline the testing process, minimize human error, and ensure compliance with stringent international standards like ASTM D5 and EN 1426.

The Role of the AZA 0939 Digital Penetrometer in Bitumen Consistency

The penetration test is a fundamental method for classifying and grading bituminous binders, providing a critical indicator of their physical properties. It quantifies the depth, in tenths of a millimeter (0.1 mm), to which a standard needle (typically weighing 2.5 ± 0.05 g) penetrates a sample under a specified load (usually 100 grams) over a fixed duration (commonly 5 seconds) at a controlled temperature (typically 25°C). The AZA 0939 Digital Penetrometer performs this test with superior accuracy. A higher penetration value indicates a softer material, essential for use in colder climates to prevent cracking, while a lower value denotes a harder material, preferred in hotter regions to resist rutting. This precise measurement directly influences the performance and longevity of asphalt pavements.

Precision and Automation for Unmatched Reliability: The AZA 0939 sets itself apart with its fully digital operation and automation features. It boasts a high-resolution digital display, typically providing readings with a precision of 0.01 mm, virtually eliminating subjective reading errors. A crucial feature is the integrated electronic digital programmable timer, which accurately controls the duration of the needle’s free fall. This automation ensures the test is performed for the exact specified time (e.g., 5 seconds), automatically releasing and then locking the plunger head to capture the precise penetration depth. This level of automation significantly enhances the repeatability and reproducibility of test results, a critical factor for quality control and research.

Key Features for Enhanced Usability and Performance: The Azalab AZA 0939 Digital Penetrometer is designed with the user in mind, incorporating features that make testing efficient and reliable:

• High-Resolution Digital Display: Provides clear, unambiguous penetration readings in 0.01 mm units.
• Programmable Digital Timer: Allows for precise control of the penetration duration, adjustable to various test requirements (e.g., up to 99 seconds).
• Automatic Plunger Release & Lock: Ensures consistent test conditions by automating the needle’s free fall and stopping its movement at the end of the timed interval.
• Robust Construction: Features a sturdy base (often cast iron or steel) with leveling screws and a built-in spirit level to ensure perfect horizontal alignment, crucial for accurate results.
• Fine Adjustment Mechanism: A lead screw gear arrangement or similar system allows for precise vertical adjustment of the needle’s tip to just touch the sample surface.
• Illumination & Magnifying Lens: Integrated lighting and a magnifying glass (often on flexible arms) facilitate accurate initial positioning of the needle, even on challenging or dark samples.
• Comprehensive Accessories: Supplied complete with standard penetration needle(s), calibrated weights (e.g., 50g, 100g), and standard sample cups.
• User-Friendly Interface: Intuitive controls and a clear digital readout simplify operation, even for less experienced technicians.

Applications and Adherence to Global Standards: The AZA 0939 Digital Penetrometer is an indispensable tool across various sectors. Its primary application is in the testing of bitumen and asphalt for road construction, ensuring compliance with specifications for pavement performance. Beyond that, it is widely used in the petroleum industry for testing greases and waxes, and even in the food industry for assessing the consistency of semi-solid food products. This instrument is engineered to comply with key international standards, including ASTM D5 (Standard Test Method for Penetration of Bituminous Materials), EN 1426 (Bitumen and bituminous binders – Determination of needle penetration), and AASHTO T49, guaranteeing that test results are globally recognized and valid for quality assurance and regulatory compliance.

The Azalab Commitment to Quality and Support: At Azalab, we are dedicated to providing cutting-edge laboratory equipment that empowers accurate and efficient material analysis. The AZA 0939 Digital Penetrometer exemplifies our commitment to quality, precision, and user satisfaction. We understand the critical role of reliable testing in ensuring the durability and safety of infrastructure. Our instruments are built to the highest standards, ensuring long-term performance and backed by comprehensive customer support to assist with operation, maintenance, and calibration.

Further Information and Resources: For detailed operational procedures, specific sample preparation guidelines, and environmental conditions required for penetration testing, please refer to the latest versions of ASTM D5, EN 1426, or other applicable local standards. You can also visit the Azalab official website for product manuals, support, and to explore our full range of material testing equipment.

Specifications:

• Model: AZA 0939
• Operation: Digital with Automatic Timing and Release
• Measurement Display: Digital LED/LCD
• Resolution: 0.01 mm (0.1 Penetration Units)
• Measurement Range: Typically 0-400 penetration units (0-40 mm) or wider.
• Timer: Electronic Digital, Programmable (e.g., 0 to 99 seconds)
• Standard Test Duration: 5 seconds (adjustable)
• Load: Standard 100g (adjustable with additional weights)
• Plunger Weight: Typically 47.5g (standard for 2.5g needle to make 50g movable weight)
• Base: Robust Cast Iron/Steel with Leveling Screws and Spirit Level
• Vertical Adjustment: Lead Screw Gear Arrangement for Fine Adjustment
• Illumination: Integrated Low-Voltage Illuminator
• Magnification: Mounted Magnifying Lens
• Power Supply: Typically 230V, 50/60 Hz, Single Phase (confirm specific model)
• Included Accessories: Penetration Needle (standard 2.5g), Calibrated Weights (50g, 100g), Sample Containers (Ø 55 x h:35 mm)
• Standards Compliance: ASTM D5, EN 1426, AASHTO T49, IP 49, IS 1203 (check specific model for full compliance details)
• Dimensions (Approx.): [Insert W x D x H, e.g., 200 x 280 x 410] mm
• Weight (Approx.): [Insert Weight, e.g., 8-12] kg

FREQUENTLY ASKED QUESTIONS (FAQ):

• Q: What materials can be tested with the AZA 0939 Digital Penetrometer?
  • A: It is primarily used for bitumen and asphalt, but can also test other semi-solid materials like greases, waxes, petroleum jelly, and some food products.
• Q: What is the main advantage of a digital penetrometer over a manual one?
  • A: The AZA 0939 offers higher accuracy with its 0.01 mm digital resolution, reduces human error through automated timing, and provides direct digital readouts, making it more reliable and efficient.
• Q: Does the AZA 0939 meet international testing standards?
  • A: Yes, it is designed to comply with standards such as ASTM D5, EN 1426, and AASHTO T49.
• Q: Can the test duration be adjusted?
  • A: Yes, the digital timer is programmable, allowing adjustment of the penetration time (e.g., from 0 to 99 seconds) for various test methods or customized requirements.
• Q: What is the typical load applied during the test?
  • A: The standard test typically uses a total load of 100 grams (including the needle and plunger assembly), but various weights may be supplied for different applications.