AZA 0873 SPEEDY MOISTURE ZI 3027 METER (D2 LARGE)

Description

AZA 0873: Speedy Moisture ZI 3027 Meter (D2 Large) for Enhanced On-Site Moisture Control

The AZA 0873 Speedy Moisture ZI 3027 Meter (D2 Large) from Azalab represents a powerful and highly efficient solution for rapid, accurate moisture content determination directly in the field. This specialized apparatus, built on the well-established calcium carbide gas pressure method, is particularly distinguished by its “D2 Large” designation, indicating a larger sample capacity or improved performance for broader applications compared to standard Speedy models. This makes the AZA 0873 an indispensable tool for civil engineers, contractors, and geotechnical testing professionals managing earthwork, aggregate quality, and concrete production, where immediate and reliable moisture data is paramount for effective quality control.

The fundamental principle behind the Speedy Moisture Meter involves a chemical reaction: when water present in the soil or material sample comes into contact with calcium carbide ($textCaC\_2$) reagent in a sealed pressure vessel, it produces acetylene gas ($textC\_2textH\_2$). The pressure generated by this gas is directly proportional to the amount of moisture in the sample. A precisely calibrated pressure gauge, integral to the AZA 0873, then directly displays the moisture content as a percentage. This ingenious, self-contained method requires no external power source, making it uniquely suited for remote and challenging job sites.

The “D2 Large” aspect of the AZA 0873 likely refers to a larger reaction vessel or a higher capacity gauge. A larger vessel allows for a greater sample mass (e.g., 20g, 26g, or more), which can provide a more representative moisture content reading, especially for heterogeneous materials or those with larger aggregate sizes. This enhanced capacity can lead to improved accuracy and reduced variability in results, making the AZA 0873 a superior choice for demanding field testing scenarios. The robust ZI 3027 frame further underscores Azalab’s commitment to durability and consistent performance, ensuring the meter can withstand the rigors of frequent on-site use.

Operating the AZA 0873 Speedy Moisture Meter is quick and straightforward. A weighed sample of the material is placed inside the sturdy pressure vessel along with a measured quantity of calcium carbide reagent and steel balls (which aid in breaking up the sample and ensuring thorough mixing). The vessel is then securely sealed, and vigorous shaking initiates the chemical reaction. The pressure gauge provides an instant reading, typically within a few minutes. This rapid analysis empowers site personnel to make immediate adjustments to compaction efforts, optimize mix designs, or assess material suitability, thereby boosting project efficiency and minimizing potential delays and costly rework.

The complete AZA 0873 kit typically includes the pressure vessel with an integrated precision pressure gauge, a sealing clamp, a portable digital balance, a set of steel balls, a cleaning brush, and a measuring scoop for the calcium carbide reagent (reagent itself is generally supplied separately). Its compact and robust design ensures high portability, making it an indispensable tool for routine quality checks on various construction materials. This method adheres to the principles of recognized standards such as ASTM D4944 (Standard Test Method for Field Determination of Water Content of Soil by the Calcium Carbide Gas Pressure Test Method) and equivalent international norms.

By integrating the AZA 0873 Speedy Moisture ZI 3027 Meter (D2 Large) into your fieldwork, you gain a powerful, immediate, and reliable instrument for moisture content analysis. This enables real-time decision-making, ensuring optimal quality control and contributing to the successful and safe execution of your civil engineering projects.

Specifications for the AZA 0873 SPEEDY MOISTURE ZI 3027 METER (D2 LARGE)

• Model Number: AZA 0873 (ZI 3027)
• Apparatus Type: Speedy Moisture Meter (D2 Large Capacity)
• Measurement Principle: Calcium Carbide Gas Pressure Method
• Application: Rapid determination of moisture content in soils, aggregates, sand, and other granular/fine materials in the field.
• Test Type: Field Testing / On-site measurement.
• Moisture Content Range: Typically 0% to 20% or 0% to 50% (calibrated as a percentage of wet weight), specific to D2 Large gauge.
• Sample Size (Capacity): Larger capacity, typically 20g or 26g (as opposed to standard 6g/10g models), enhancing representativeness.
• Accuracy: Generally ± 0.2% for lower moisture levels, ± 0.5% for higher levels (varies by model/range).
• Components:
  • Pressure Vessel: Robust, airtight reaction vessel (e.g., aluminum alloy, designed for larger samples).
  • Pressure Gauge: Precision gauge calibrated directly in percentage moisture, specifically for D2 Large range.
  • Sealing Clamp: For securely sealing the pressure vessel.
  • Weighing Balance: Often a portable digital balance (e.g., 20g or 26g capacity, 0.01g readability).
  • Steel Balls: Chrome steel balls to aid mixing.
  • Scoop & Brush: For measuring calcium carbide and cleaning.
  • Carbide Reagent: Calcium carbide powder (supplied separately).
• Power Source: None required (self-contained chemical reaction).
• Portability: Highly portable, typically supplied in a sturdy carrying case.
• Compliance: Designed to meet relevant standards such as ASTM D4944, IS 2720 (Part 2) (similar principles).
• Construction: Durable ZI 3027 frame for robust field performance.
• Usage/Application: Quality control in compaction of earthwork, road construction, concrete production.

FREQUENTLY ASKED QUESTIONS (FAQ) about the AZA 0873 SPEEDY MOISTURE ZI 3027 METER (D2 LARGE)

Q1: What is the primary function of the AZA 0873 Speedy Moisture Meter? A1: The AZA 0873 Speedy Moisture Meter is used for rapid and accurate determination of moisture content in soils, aggregates, and other materials directly in the field, utilizing the calcium carbide method.

Q2: What does “D2 Large” signify for this specific model? A2: “D2 Large” indicates that this model is designed for a larger sample size (e.g., 20g or 26g) compared to standard Speedy meters. This allows for a more representative moisture content reading, especially beneficial for materials with larger particles or heterogeneity.

Q3: How does the AZA 0873 determine moisture content? A3: Water in the sample reacts with calcium carbide to produce acetylene gas in a sealed vessel. The pressure generated by this gas is directly proportional to the moisture content, which is then displayed on a calibrated gauge.

Q4: Is external power required for the AZA 0873? A4: No, the AZA 0873 is a self-contained unit. The chemical reaction itself generates the pressure, so no external power source is needed, making it ideal for field testing.

Q5: How quickly does the AZA 0873 provide results? A5: This Speedy Moisture Meter provides results almost immediately, typically within 5-10 minutes, allowing for rapid decision-making on site.

Q6: What standards does the AZA 0873 comply with? A6: The AZA 0873 is designed to meet the principles of standards like ASTM D4944 (Standard Test Method for Field Determination of Water Content of Soil by the Calcium Carbide Gas Pressure Test Method) and relevant IS standards.

Q7: Why is rapid field testing of moisture content crucial in construction? A7: Rapid moisture content data enables site engineers to make immediate adjustments to compaction efforts, optimize material mixes, and verify material suitability, leading to improved quality control, efficiency, and reduced project delays.