This laboratory sieve set includes precision-manufactured sieves along with a matching pan and cover. Together, these components allow efficient separation, retention, and collection of test materials during sieve analysis. As a result, laboratories can obtain reliable and repeatable test results that support quality control and compliance with construction standards.

• Purpose of the Laboratory Sieve Set
  The primary purpose of the laboratory sieve set is to determine particle size distribution of stone and aggregate samples. Engineers and technicians use sieve analysis results to assess material suitability for concrete, asphalt, and construction applications. Therefore, accurate sieving plays a critical role in material selection and mix design.
• Standard 12 Inch Diameter Design
  The 12 inch diameter provides sufficient surface area for effective sieving of coarse and fine aggregates. Consequently, technicians can process samples efficiently without overloading the sieve. This size supports consistent material movement during shaking, which improves separation accuracy and testing reliability.
• Precision Mesh Construction
  Each sieve in the laboratory sieve set features uniform mesh openings manufactured to precise tolerances. As a result, particles pass or retain accurately according to size classification. This precision helps laboratories follow standard sieve analysis procedures without deviation. Moreover, consistent mesh quality improves repeatability of test results.
• Pan and Cover for Clean Operation
  The included pan collects fine particles securely during sieving. At the same time, the cover prevents material loss and contamination during manual or mechanical sieve shaking. Therefore, sample integrity remains intact throughout the testing process. Clean operation also reduces material waste and testing errors.
• Smooth Finish and Easy Cleaning
  The smooth metal finish allows easy cleaning after each test. As a result, technicians can remove residual material quickly and prepare the sieves for the next sample. Regular cleaning helps maintain accuracy and prevents cross-contamination between different test materials.
• Compatibility with Sieve Shakers
  The 12 inch laboratory sieve set is compatible with commonly used sieve shakers available in Bangladesh. Therefore, laboratories can integrate this set easily into existing testing systems. Compatibility supports consistent vibration and uniform particle movement during mechanical sieving.
• Use in Aggregate and Stone Testing
  This sieve set is widely used for testing stone and aggregate samples in civil engineering projects. Engineers rely on sieve analysis to control aggregate gradation for concrete, road base, and asphalt mixes. Consequently, accurate sieve testing supports better construction quality and long-term durability.
• Applications in Soil and Asphalt Laboratories
  In addition to stone testing, laboratories use this sieve set for soil classification and asphalt aggregate analysis. Therefore, it supports multiple testing applications across geotechnical and pavement engineering fields. This versatility makes it a valuable tool in material testing laboratories.
• Role in Quality Control
  Quality control teams use sieve analysis results to verify material compliance with project specifications. Accurate gradation data helps detect issues such as excess fines or oversized particles early. As a result, corrective action can be taken before materials are used in construction.
• Suitable for Education and Research
  Universities and training institutes use the laboratory sieve set to teach particle size analysis and material testing procedures. Research laboratories also rely on it for experimental studies and performance evaluation of construction materials. Thus, the sieve set supports both academic and professional testing needs.
• Durable Construction for Long-Term Use
  The laboratory sieve set is designed for repeated use under regular laboratory conditions. Its durable construction resists deformation during handling and sieving. Therefore, laboratories can depend on consistent performance over long testing cycles.
•  Use in Laboratory and Site Environments
  This sieve set performs well in controlled laboratory settings and temporary site laboratories. Its practical design allows easy transport and setup. Consequently, engineers and technicians can perform sieve analysis wherever testing is required.
• Contribution to Construction Quality
  Accurate particle size analysis helps ensure proper material grading. Proper grading improves concrete strength, asphalt performance, and overall construction quality. Therefore, this laboratory sieve set plays an important role in maintaining construction standards and safety.
• Maintenance and Storage
  Regular inspection and cleaning help maintain mesh accuracy. Proper storage prevents damage and contamination. As a result, the sieve set remains reliable for long-term laboratory use.
• Suitable Users
  The Laboratory Sieve Set 12 Inch with Pan Cover is suitable for material testing laboratories, construction companies, inspection agencies, universities, and research institutions. Its reliable performance and standard design make it a preferred choice for professional use.

For related laboratory testing equipment and accessories, visit https://rtcdhaka.com/product-category/laboratory-equipment/. For international standards related to sieve analysis and aggregate testing, refer to https://www.astm.org. Consequently, users can maintain testing accuracy, follow standard procedures, and ensure dependable material evaluation in construction and research applications across Bangladesh.

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Purpose and testing function
This laboratory sieve helps separate particles based on size during sieve analysis. Engineers and technicians rely on this process to assess aggregate suitability for concrete, asphalt, and road construction. When particle size distribution remains within specification, construction materials perform more reliably. Therefore, accurate sieving plays a direct role in construction quality control.

Standard 300mm size advantage
The 300mm diameter provides sufficient surface area for efficient sieving of coarse and fine aggregates. As a result, technicians can spread samples evenly without overloading the sieve. Uniform particle movement during shaking improves separation accuracy and produces consistent test results. This standard size also allows easy comparison of results across different laboratories and projects.

Precision mesh construction
The laboratory sieve uses uniform mesh openings manufactured to precise tolerances. Consequently, particles pass or retain accurately according to size classification. Consistent mesh quality reduces testing variation and improves repeatability. Laboratories depend on this accuracy to maintain confidence in gradation analysis results.

Strong frame and durability
The rigid metal frame maintains its shape during handling, shaking, and cleaning. Because of this strength, the sieve resists deformation during repeated use. Long-term dimensional stability ensures that testing accuracy remains consistent over time. With proper care, the sieve performs reliably through many testing cycles.

Easy cleaning and maintenance
The smooth surface finish allows technicians to clean the sieve quickly after each test. Therefore, residual material does not contaminate future samples. Clean equipment supports accurate testing and improves laboratory efficiency. Regular inspection and cleaning also help protect mesh int

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Product Overview
The dynamic cone penetrometer offers a practical method for measuring soil strength directly in the field. It helps engineers assess ground conditions quickly and accurately. Therefore, it is widely used in road construction and geotechnical surveys. The device provides clear penetration readings during testing. Moreover, the strong components withstand repeated outdoor use. As a result, users obtain reliable data with minimal setup time.

Key Features
• Effective method for soil penetration testing
• Clear measurement of penetration per hammer blow
• Strong construction for field durability
• Easy assembly and operation
• Suitable for rapid site investigation

Technical / Usage Details
This DCP kit works by driving a cone into the soil using controlled hammer blows. Additionally, users record the penetration depth after each blow for analysis. The method requires no electricity, which makes it ideal for remote sites. However, it still provides accurate and repeatable results. The parts are easy to carry and transport. As a result, field testing becomes efficient and convenient.

Applications & Use Cases
Engineers use this tool to evaluate road subgrade and soil compaction. For example, it helps determine soil bearing capacity on site. Moreover, geotechnical teams use it for quick soil profiling. Construction projects also rely on it before foundation work. Therefore, it fits many civil engineering tasks.

Why Buy from RTC Dhaka
RTC Dhaka supplies dependable civil testing equipment for field and laboratory use. Additionally, we focus on quality and practical performance. Our products meet real site requirements. As a result, customers receive trusted tools with local support.

Conclusion
The dynamic cone penetrometer is an essential tool for quick and accurate soil strength testing. It improves field efficiency and provides dependable results.

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🧪 Specific Gravity Test Equipment

Model: BE-SG-100
Brand: RTC
Category: Bitumen & Asphalt Testing Equipment

Product Description:

The Specific Gravity Test Equipment is designed to determine the specific gravity of bituminous materials accurately. It features a digital thermostatic water bath with a precise temperature controller, transparent container, and brass sample cup, ensuring consistent and reliable results during laboratory testing.

This unit is ideal for civil engineering laboratories, asphalt research centers, and material testing facilities requiring high-accuracy density and specific gravity measurements.

Technical Specifications:

• Temperature Range: Ambient to 100°C

• Display: Digital LED temperature controller

• Sample Container: Brass (standard size)

• Stirrer: Variable speed motorized stirrer

• Power Supply: 220V AC, 50Hz

• Construction: Powder-coated steel body with transparent bath

Standards:

Conforms to ASTM D70 and AASHTO T228 standards.

Features:

• High precision and repeatability

• Compact and durable design

• Digital temperature control for stability

• Easy-to-clean transparent bath

Applications:

• Determining specific gravity of bitumen

• Asphalt testing in civil laboratories

• Quality control in construction material testing

📍 Supplier:
Rahim Trading Corporation (RTC)
Swantex Bhaban (1st Floor), 9/i Motijheel C/A, Dhaka-1000
📞 +8801831016720 | ✉️ rtcdhaka2013@gmail.com
🌐 www.rtcdhaka.com

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Scope of Application

Product Overview
The liquid limit test equipment is designed for accurate soil consistency testing in laboratories. It helps engineers determine the liquid and plastic limits of soil samples. Therefore, it plays a vital role in geotechnical and civil engineering analysis. The equipment provides stable and repeatable test results. Moreover, the strong construction supports long-term laboratory use. As a result, users can perform tests with confidence and precision.

Key Features
• Complete set for liquid and plastic limit testing
• Accurate mechanism for consistent results
• Durable construction for laboratory environments
• Easy to operate and maintain
• Suitable for civil and geotechnical labs

Technical / Usage Details
This equipment follows standard soil testing procedures used in civil engineering. Additionally, it allows smooth operation during repeated tests. The components are designed for precise handling of soil samples. However, the setup remains simple for lab technicians. The structure ensures stability during testing. As a result, it improves reliability and accuracy in measurements.

Applications & Use Cases
Civil engineering laboratories use this set for soil classification tests. For example, it supports foundation and road construction analysis. Moreover, universities and research labs use it for practical soil testing. Construction companies also rely on it for site investigation work. Therefore, it fits many professional testing environments.

Why Buy from RTC Dhaka
RTC Dhaka supplies dependable civil laboratory equipment. Additionally, we focus on quality and practical performance. Our products are selected to meet real testing requirements. As a result, customers receive trusted equipment with local support.

Conclusion
The liquid limit test equipment provides accurate and reliable soil testing for professional labs. It ensures consistent results for civil engineering applications.

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Digital Soil Direct Shear Apparatus is a reliable instrument used for soil testing in civil engineering laboratories. This Direct Shear Apparatus helps determine the shear strength parameters of soil accurately. As a result, it supports dependable analysis for geotechnical applications.

Purpose of the product
This apparatus is mainly used to determine soil cohesion and angle of internal friction. Therefore, it helps engineers evaluate soil behavior under shear stress.
Moreover, it supports standard laboratory testing methods used in geotechnical studies. Design / Construction The apparatus is built with a strong metal frame for durability. It includes a digital load and displacement measurement system. In addition, the shear box assembly is designed for smooth and controlled movement.
The robust construction ensures stable performance during repeated testing. Ease of use This digital apparatus is easy to operate and monitor. Test values are displayed clearly on the digital interface. As a result, users can record data quickly and accurately. Moreover, the system reduces manual reading errors and saves testing time.

Importance in quality control or application Shear strength testing is essential in foundation and soil analysis. Therefore, this apparatus helps ensure safe and reliable construction design. Moreover, it supports accurate comparison of soil samples in quality control work. It plays an important role in laboratory testing,  research, and education.

KEY FEATURES:
– Digital load and displacement measurement
– Strong and stable metal construction
– Accurate and repeatable results
– Easy-to-read digital display
– Suitable for routine laboratory use

TECHNICAL SPECIFICATIONS:
– Product type: Digital Direct Shear Apparatus
– Application: Soil shear strength testing
– Measurement system: Digital
– Frame material: Metal
– Usage: Laboratory testing

APPLICATIONS:
– Soil mechanics laboratories
– Geotechnical engineering testing
– Construction quality control
– Research and educational institutes
– Foundation design analysis

Internal link:
https://rtcdhaka.com/product-category/laboratory-equipment/

External link:
https://en.wikipedia.org/wiki/Direct_shear_test

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Constant Head Soil Permeability Test Apparatus, also called a Constant Head Permeameter, is widely used in civil engineering laboratories.
This Constant Head Permeameter helps measure the rate of water flow through soil accurately.
Therefore, it supports reliable permeability testing results.

Purpose of the product
This apparatus is mainly used to determine the permeability of coarse-grained soils.
As a result, engineers can understand how easily water flows through soil.
Moreover, it helps evaluate soil suitability for drainage and foundation work.

Design / Construction
The apparatus is made from strong and durable materials.
It includes a water supply system, soil sample chamber, and measuring outlets.
In addition, the transparent sections allow clear observation during testing.
Because of this, the apparatus provides stable and repeatable performance.

Ease of use
This test apparatus is simple to set up and operate.
Users can maintain a constant water head easily during the test.
Therefore, readings remain accurate throughout the process.
Moreover, cleaning after testing is quick and easy.

Importance in quality control or application
Soil permeability plays a key role in construction safety and design.
For this reason, this apparatus helps assess drainage and seepage behavior.
Moreover, it supports correct soil classification and engineering decisions.
As a result, it is essential for laboratory quality control and research.

KEY FEATURES:
– Designed for constant head permeability testing
– Suitable for coarse-grained soils
– Strong and durable construction
– Easy observation during testing
– Reliable and repeatable results

TECHNICAL SPECIFICATIONS:
– Product type: Constant Head Permeability Test Apparatus
– Application: Soil permeability testing
– Test method: Constant head
– Material: Metal and transparent components
– Usage: Civil laboratory testing

APPLICATIONS:
– Civil engineering laboratories
– Soil mechanics testing
– Permeability analysis
– Construction quality control
– Research and educational institutes

Internal link:
https://rtcdhaka.com/product-category/laboratory-equipment/

External link:
https://en.wikipedia.org/wiki/Permeability_(soil)

The post Constant Head soil Permeability Test apparatus Permeameter appeared first on RTC Dhaka.

Features:
Excellent performance, reliable data, and high accuracy, clear direct readings, and convenient operation, high efficiency.

Specification:
1. Max. measuring range:22mm
2. Resolution:0.1mm
3. Nonlinear error: Superior than 2%
4. Contact sensitivity: >10M
5. Cone weight:76g /-0.1g 100g /-0.1g
6. Cone angle:30° /-2°
7. Measuring Time: 5 Second
8. Working voltage: AC220V±10%
9. Continuous working period: 8 hours

Application The equipment is used to determine liquid and plastic limits of soil, thus to provide reliable data to classify soil types, calculate natural consistency and plasticity index. Digital display technology is adopted for this machine and automatical measurement can be performed. Standard It accords with the relative requirements of ISO, ASTM, JIN, GB and many other testing methods. EN10002-1, ISO 6892, ASTM E8, ASTM C39, ASTM F606, SAE J429, CE Compliant.
Accessories
All Related Accessoriesb

this is one kind of digital civil laboratory and soil laboratory product. basically our country in Bangladesh this product use soil testing. this liquid limit testing very easily to testing soil, and use soil laboratory product. Trading Corporation Rahim Trading Corporation is the best importer  and supplier all over the Bangladesh. almost we had supply this product in many soil laboratory as Bangladesh engineering university BUET, More than 10 years we had imports  this product and supply Bangladesh Government and non government soil laboratory. this product technical specification is very clear and 99.99% result is accuracy. equipment our Civil and survey and soil testing equipment is very popular and Trusty business in totally Bangladesh. Bangladeshi more population company all time task on RTC then orde are more and more laboratory product.

RTC is the very trusted company in Bangladeshi Government and non government office. during the Bangladeshi soil testing many company that our digital liquid Limited.

our stock two type liquid Limited test:

• analogue liquid limit test
• digital liquid limit test
• our digital liquid Limited from china
• analogue liquid limit test from china, India and we making local manufacturing.

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