A.S. International

The Thomson Method Apparatus is a classic and highly effective laboratory instrument designed for performing the Thomson method experiment, which is used to determine the specific charge of an electron through the combined effects of electric and magnetic fields. Widely used in physics laboratories at universities, engineering colleges, and advanced teaching institutions, this apparatus plays a crucial role in helping students understand fundamental concepts related to electron motion, electromagnetic forces, and charged particle behavior. Operated using a standard 230 V power supply, the system integrates both electrical and magnetic control elements to create a stable and measurable experimental environment suitable for repeated academic use. At the heart of the apparatus is a cathode ray tube mounted securely on a specially designed wooden stand, allowing students to clearly observe the deflection of the electron beam under controlled conditions. The wooden stand is thoughtfully constructed with two adjustable arms fitted with measurement scales, enabling accurate determination of the distance between the magnetic poles while also holding the cathode ray tube centrally for precise alignment. The use of a wooden structure ensures electrical insulation, mechanical stability, and ease of handling during laboratory sessions.
The apparatus incorporates a regulated power supply fitted with an inbuilt voltmeter to measure the deflecting voltage applied across the electric field plates of the cathode ray tube. Potentiometers mounted on the front panel provide fine control over beam focus, intensity, and horizontal and vertical positioning, allowing students to achieve a sharp and well-defined electron beam for accurate observation and measurement. The inclusion of X and Y shift controls enhances experimental flexibility by enabling precise beam alignment without disturbing the physical setup. An eight-pin octal base mounted on the front panel facilitates secure and reliable connection of the cathode ray tube, ensuring consistent electrical contact and reducing setup errors commonly encountered during student experiments. A matched pair of bar magnets is used to generate a uniform magnetic field perpendicular to the electric field, forming the basis of the Thomson method by balancing electric and magnetic deflections.
To accurately measure the magnetic field direction and strength, a compass box is provided and positioned on a separate wooden stand designed to place it precisely at the center of the magnetic field. This auxiliary stand can also be mounted centrally within the main arm structure, allowing flexibility in experimental arrangement and improving measurement accuracy. With an approximate weight of 4 kilograms, the apparatus offers a balanced combination of sturdiness and portability, making it suitable for routine laboratory handling while maintaining alignment integrity during operation. The complete system is designed to support clear visualization of electron trajectories, helping students directly relate theoretical equations to observed experimental outcomes. By enabling hands-on measurement of electron charge-to-mass ratio, the Thomson Method Apparatus strengthens conceptual understanding of early atomic models, electromagnetic theory, and experimental physics techniques. Its durable construction, precise control features, and clear experimental layout make it an indispensable piece of educational equipment for physics laboratories focused on foundational and applied electron physics.

The vibrating table for industrial use is a robust and versatile piece of educational and training equipment designed to demonstrate the principles of vibration, material behavior, and dynamic loading in laboratory and instructional environments. Commonly used in engineering colleges, industrial training institutes, and vocational laboratories, this equipment provides students with hands-on exposure to vibration-based processes that are widely applied in manufacturing, civil engineering, and mechanical systems. The vibrating table allows controlled generation of oscillatory motion, enabling learners to study how different materials, components, and structures respond to vibration under varying conditions. By directly observing vibration effects, students can connect theoretical concepts such as frequency, amplitude, resonance, and damping with real-world industrial applications.

 

Constructed with a heavy-duty frame and a stable platform, the vibrating table is designed to withstand continuous operation and repeated experimental use. The rigid structure ensures consistent vibration transmission while minimizing unwanted noise or energy loss, which is essential for accurate observation and analysis. The table surface provides adequate space to place molds, test specimens, or experimental setups, making it suitable for a wide range of demonstrations and laboratory exercises. Its industrial-grade design reflects actual production environments, allowing students to gain realistic exposure to equipment commonly used in material testing, concrete compaction, powder settling, and component stress evaluation.

 

In an educational context, the vibrating table serves as an effective tool for teaching vibration mechanics and process optimization. Students can examine how changes in vibration parameters influence material compaction, surface finish, and structural stability. This is particularly valuable in civil engineering laboratories for studying concrete behavior, aggregate settlement, and mold filling, as well as in mechanical and manufacturing labs for analyzing component fatigue and dynamic response. The ability to conduct repeatable experiments helps learners understand process control and the importance of consistent operating conditions in industrial systems.

 

Designed for laboratory and training use, the vibrating table emphasizes operational safety and ease of use. The stable base and controlled vibration mechanism reduce the risk of unintended movement during operation, ensuring a safe learning environment. The simple and functional design allows instructors to clearly demonstrate concepts while enabling students to perform supervised experiments with confidence. This accessibility makes the equipment suitable for both introductory demonstrations and advanced experimental studies.

 

From a skill development perspective, the vibrating table supports outcome-based education by encouraging practical experimentation, observation, and analysis. Students develop a deeper understanding of vibration-related phenomena and gain insight into how industrial equipment is designed and operated to achieve specific process outcomes. The experience also builds awareness of maintenance considerations, load distribution, and operational efficiency, which are important aspects of industrial engineering practice. Overall, the vibrating table for industrial use is a valuable addition to educational laboratories, providing a realistic and effective platform for teaching vibration principles, material behavior, and industrial process fundamentals through hands-on learning.

The laboratory pendulum is a fundamental piece of educational equipment designed to support the practical study of classical mechanics and oscillatory motion in physics laboratories and classroom environments. Widely used in schools, colleges, and scientific training institutions, this apparatus provides a clear and intuitive method for demonstrating the principles of simple harmonic motion, periodic motion, and gravitational acceleration. By allowing students to observe and measure the motion of a single pendulum, the instrument helps bridge the gap between theoretical equations and real physical behavior. It is particularly valuable for experiments that investigate the relationship between the length of the pendulum, the angle of deflection, and the time period of oscillation, making abstract concepts more accessible through direct observation.
Constructed from high-quality metal materials, the laboratory pendulum offers excellent mechanical strength, impact resistance, and long-term durability, ensuring reliable performance in academic environments where equipment is frequently handled by multiple users. The robust metal structure maintains alignment and stability during repeated oscillations, which is essential for obtaining consistent and accurate experimental results. Its durable construction allows the apparatus to be used across a range of laboratory and classroom settings without degradation, supporting long service life and dependable operation. The stable base of the pendulum is designed to rest securely on flat surfaces such as laboratory tables or demonstration benches, minimizing unwanted movement and ensuring that oscillations occur in a controlled and repeatable manner.
The laboratory pendulum is equipped with a clear and precisely marked dial that allows accurate measurement of angular displacement and observation of oscillation behavior. This feature enables students to verify key theoretical relationships, such as the independence of the period from small angular deflections, under practical conditions. By observing the pendulum’s motion and recording measurements, learners can calculate time periods, analyze oscillatory patterns, and compare experimental data with theoretical predictions. This hands-on measurement process strengthens understanding of mechanical vibration and reinforces analytical skills that are essential in physics education.
Designed primarily for instructional use, the laboratory pendulum serves as an effective demonstration tool for teachers and a practical experiment apparatus for students. It is commonly used to introduce concepts such as restoring force, equilibrium position, amplitude, frequency, and damping. The simplicity of the setup allows students to focus on fundamental physical principles without the distraction of complex instrumentation. At the same time, its precision supports quantitative experiments that form a core part of physics curricula at secondary and undergraduate levels.
From an educational perspective, the laboratory pendulum promotes experiential learning by encouraging observation, measurement, and critical analysis. It allows learners to study mechanical vibrations in a controlled environment and develop a deeper appreciation for the laws governing motion. Suitable for physics classrooms, instructional laboratories, and academic demonstrations, this apparatus is an indispensable teaching aid that supports effective learning outcomes. By combining durability, measurement clarity, and experimental stability, the laboratory pendulum remains a cornerstone instrument for teaching mechanics and oscillatory motion in educational settings.

The rotary microtome is a precision laboratory instrument designed for cutting uniform and consistent thin sections of biological and material specimens, making it an essential piece of educational equipment for teaching and research laboratories. Commonly used in pathology, histology, botany, zoology, and medical science laboratories, this instrument enables students to prepare high-quality sections with thicknesses of up to 25 microns for microscopic examination. By allowing controlled and repeatable sectioning, the rotary microtome helps learners understand the structural organization of tissues and materials at a microscopic level, bridging theoretical study with practical laboratory skills. Its manual operating method provides direct control over the cutting process, enabling students to develop a clear understanding of sectioning mechanics, blade movement, and thickness adjustment through hands-on practice.
Constructed with a durable metallic cover, the rotary microtome offers stability, precision, and long-term reliability in laboratory environments where equipment is frequently used by multiple learners. The rigid body minimizes vibration during operation, ensuring smooth blade travel and uniform section thickness, which is critical for producing high-quality sections suitable for microscopic analysis. The instrument is designed to accommodate a variety of specimens, making it suitable for routine educational demonstrations as well as supervised student practice. The inclusion of multiple object holders allows specimens of different sizes and shapes to be securely clamped, enhancing versatility and supporting a wide range of laboratory exercises.
The rotary microtome is supplied with essential accessories that support the complete sectioning process. A sharp razor with a back and handle enables clean and precise cutting, while the honing plate allows students to learn proper blade maintenance techniques, which are important for achieving optimal section quality. An oil can is provided to ensure smooth mechanical movement and proper care of the instrument, reinforcing good laboratory maintenance practices. These included components make the microtome a self-contained instructional tool, allowing students to focus on learning section preparation without the need for additional equipment.
In an educational setting, the rotary microtome plays a critical role in teaching specimen preparation techniques that are foundational to microscopic studies. Students gain practical experience in adjusting section thickness, handling delicate specimens, and producing uniform sections that clearly reveal cellular and tissue structures. This practical exposure enhances understanding of histological staining, slide preparation, and microscopic observation, which are core topics in life science and medical curricula. The manual operation also encourages careful handling, attention to detail, and precision, helping students develop essential laboratory skills and discipline.
Overall, the rotary microtome is a valuable addition to laboratories focused on biological and material sciences education. Its robust construction, precise cutting capability, and comprehensive accessory set make it ideal for repeated instructional use. By enabling accurate and consistent sectioning, the instrument supports high-quality practical learning and skill development, helping students gain confidence and competence in microscopic specimen preparation and analysis.

For advance research work, consists of two rods of different metal as per requirement in hand, supported by heavy cast iron feet, provided with 4 metal riders and 4 accessories. Two of the sliders have transverse motion and rod is engraved in mms. Improved design, one meter long.
Available in 1 Meter or 1.5 meters.

Laboratory Glass Tube Ideal for Schools , College , Industrial and Medical Laboratories made of High quality round base borosilicate glass. They are used for holding, mixing, and heating chemical samples. Made from heat-resistant borosilicate glass to withstand high temperatures and chemicals.Clear transparent  test tubes for easy monitoring.Easy to Clean as there smooth interior surface allows for thorough cleaning and reuse.Commonly used in chemistry, biology, and medical labs for experiments, culturing, and testing.There well-rounded bottoms and glossy smooth fire-polished rims with high tensile strength.   
 Size : 12x 75 mm   
Capacity : 5ml   
Color : Tranparent

Orifice Discharge Apparatus – Engineering Training System (AS-INT-TVET-DVET-018)The Orifice Discharge Apparatus is a fundamental teaching device designed for studying flow rates, velocity, and discharge characteristics through orifices under varying head conditions. This equipment is extensively used in polytechnic and engineering colleges worldwide, aligned with current syllabi from leading educational and vocational bodies. It meets procurement standards required by international donor-funded projects such as those by the World Bank, Asian Development Bank (ADB), African Development Bank (AfDB), and others.
The apparatus features a transparent vertical supply tank with adjustable overflow for precise water level control. The experimental setup includes five interchangeable nozzles, a Pitot tube, and a U-tube manometer for accurate velocity and pressure measurements. The trajectory of the water jet can be analyzed, providing comprehensive insights into fluid discharge behavior and orifice efficiency.
Key FeaturesTransparent supply tank with adjustable overflow for precise head setting.
Five interchangeable nozzles for varied flow and discharge experiments.
Pitot tube and U-tube manometer for detailed velocity and pressure measurement.
Jet trajectory analysis facilitated by adjustable probes and a white back panel.
Closed water circuit allowing independent lab operation without external supply.
Educational BenefitsEnables detailed study of orifice flow, discharge coefficients, and velocity profiles.
Supports hands-on verification of theoretical fluid mechanics principles.
Enhances accuracy in experimental fluid discharge measurements.
Addresses competencies outlined in modern syllabi for civil, mechanical, and environmental engineering.
Complements digital simulation with practical, empirical data.
Tender and Compliance FeaturesBuilt to meet stringent quality and specification requirements of international funding agencies.
Sturdy design tailored for institutional use in teaching and research.
Equipped with comprehensive operational manuals and training guides.
Compatible with contemporary data acquisition systems for advanced analysis.
ApplicationsPolytechnic and engineering institutions focused on fluid mechanics and hydraulics.
Vocational training centers enhancing practical knowledge in flow measurement.
Research laboratories studying detailed flow discharge behavior.
International development projects upgrading technical education infrastructure.

Orifice and Jet Velocity Apparatus – Engineering Training System (AS-INT-TVET-DVET-017)The Orifice and Jet Velocity Apparatus is an essential laboratory instrument designed for studying the velocity and discharge characteristics of fluid jets and orifices. This apparatus is widely used in polytechnic and engineering colleges worldwide, aligning with the latest curriculum requirements of technical and vocational institutes. It meets the strict specifications for procurement under international development projects funded by the World Bank, Asian Development Bank (ADB), African Development Bank (AfDB), and other global agencies.
This setup includes a transparent Plexiglas column equipped with an adjustable overflow to control water level and flow. The system features two interchangeable nozzles for comparative studies and a white panel to trace the trajectory of jets via adjustable probes. Precise measurements of jet velocity and flow patterns enhance understanding of fluid discharge principles.
Key FeaturesTransparent column with adjustable overflow for precise flow control.
Two interchangeable nozzles allowing variable jet configurations.
Adjustable jet trajectory probes and white background panel for clear visualization.
Integrated closed water circuit ensuring stable operation without external water supply.
Durable construction suitable for repeated academic use.
Educational BenefitsFacilitates study of orifice discharge coefficient and jet velocity principles.
Provides hands-on experience to validate theoretical fluid mechanics concepts.
Enhances students’ skills in precise measurement and experimental data analysis.
Ideal for vocational and engineering curricula in fluid dynamics and hydraulics.
Supports complementary computational fluid dynamics (CFD) studies and practical demonstrations.
Tender-Ready FeaturesComplies with technical and quality standards required by international donors for educational equipment.
Durable and low-maintenance design designed for active laboratory use.
Comes with comprehensive manuals and teaching aids aligned with modern syllabi.
Compatible with digital data acquisition systems for advanced experimental analysis.
ApplicationsPolytechnic and engineering colleges conducting fluid mechanics and hydraulic studies.
TVET and vocational institutes advancing practical training in fluid discharge measurement.
Research laboratories focusing on jet flows and fluid discharge analysis.
Development projects improving technical education infrastructure globally.

A Hall effect experiment setup is a vital educational equipment designed to help students and researchers study one of the most important phenomena in solid-state physics, the Hall effect. This setup is widely used in physics and electronics laboratories for demonstrating how a magnetic field applied perpendicular to the current in a conductor or semiconductor produces a measurable voltage, known as the Hall voltage. With its accurate and reliable design, the Hall effect experiment setup provides learners with a hands-on platform to explore key concepts such as carrier concentration, mobility of charge carriers, and the polarity of charge carriers in materials. It is considered an indispensable teaching tool in higher education institutions as it bridges theoretical concepts of semiconductor physics with practical experimentation, enabling students to understand the working principles behind modern devices like magnetic sensors, transducers, and integrated circuits.
The apparatus typically consists of a Hall probe or sample material, a regulated power supply, a high-sensitivity digital voltmeter or galvanometer, and an electromagnet capable of producing a uniform magnetic field. This combination of components allows students to measure the Hall voltage accurately when current is passed through the sample in the presence of a magnetic field. By varying the current and the magnetic field strength, learners can observe changes in the Hall voltage and understand the fundamental relationship between these parameters. The setup also enables the determination of semiconductor properties, such as whether the material is p-type or n-type, as well as the estimation of charge carrier density, which is crucial for studying semiconductor devices in electronics.
The Hall effect experiment setup serves as an important steppingstone for students to relate their knowledge of physics to real-world applications. The principles demonstrated in this experiment form the basis for the operation of devices like Hall effect sensors, which are widely used in automotive systems, industrial automation, robotics, and consumer electronics. By conducting experiments with this apparatus, students develop a clear understanding of how magnetic fields can be harnessed for sensing applications and how fundamental scientific concepts translate into practical technologies. This learning experience enhances both conceptual clarity and problem-solving skills, making it a valuable resource in laboratory-based education.
Designed with durability and precision in mind, the Hall effect experiment setup is manufactured using high-quality components to ensure accurate results and long service life. Its compact and user-friendly design makes it easy to operate, even for beginners, while also meeting the needs of advanced learners and researchers. The clear arrangement of connections and instruments allows for straightforward experimental procedures, reducing errors and making the experiment more effective. Instructors benefit from its practicality as it provides a visual and measurable demonstration of complex theoretical principles, which can be difficult to grasp through classroom teaching alone.
By integrating theory with practical experimentation, the Hall effect experiment setup plays a crucial role in building a strong foundation in electronics and semiconductor physics. It equips students with not only the technical knowledge but also the experimental skills necessary for advancing into specialized fields such as materials science, solid-state physics, microelectronics, and sensor technology. Its educational value lies in its ability to transform abstract concepts into tangible understanding, preparing learners for future academic research and industry applications where semiconductor and magnetic field principles are of utmost importance.

Product Detls: Usage/Application Laboratory Operating Voltage 230 V Weight 4.0 Kg Approx. Bar magnets 1 pr Compass box 1 No Power supply, fitted with a Voltmeter to measure the deflecting voltage. Potentiometers are mounted on the front panel for focus control, intensity Control & X, Y shift controls. Eight-pin octal base is mounted on front panel to connect the CRT plug. Cathode Ray tube (CRT) is mounted on the wooden stand. Wooden stand having two arms, fitted with scales to measure the distance of the poles of the magnets and also accommodate cathode ray tube in its middle. Another wooden stand is also provided to place the compass box in the center. This wooden stand can also be mounted in the middle of the arm stand

Product Detls: Usage/Application
Laboratory Size/Dimension
6 inch
Material
Brass & Cast Iron Bunsen Burner are offered with Nickel Plated Burner Tube with Rotatable r Regulator & Cylindrical Riffled Connector for leak proof pipe fitting. Mounted on cast iron or sheet metal base; with or without stopcock for gas control. Also avlable are Meker Burner, Teclu Burner and Burner with Pilot Flame. Gas Spreaders & Gas Taps are also offered.

Plain Desiccator are physically the same as Vacuum Desiccator. Only difference is the absence of stop cock. Grease should be applied on the flanges to make it air tight.

Wash Bottle is made of Low Density Polyethylene, which imparts a Translucent and unbreakable character. Solutions can be poured easily by squeezing the Wash Bottle lightly. The Cap is fitted with a Flexible Polyethylene Delivery Tube which can be aimed wherever required.

Laboratory flask which features a flat bottom, a conical body, and a cylindrical neck. Conical Flask. Conical Flask is one of the most commonly used in scientific laboratories. The flask has various uses such as holding and measuring chemical liquid samples, but can also be used to mix, heat and boil chemicals.

Glass Reagent Bottle are available in Narrow Mouth & Wide Mouth, with dust proof flat stoppers, in Clear Glass & Amber Color Glass. Additional Information: Production Capacity: 100 Delivery Time: 10 days Packaging Details: In Box

Product Details: Capacity 125ml, 300ml Cap Type Glass Material Borosilicate Usage/Application Laboratory Design Type Bottle Type Of Glassware Heavy-Wall Glass Color Transparent Brand Adarsh International Packaging Type Box I Deal In New Only Country of Origin Made in India Borosilicate Glass Bottles are available with PP or Glass stoppers and with Screw Cap in Clear Glass & Amber Color Glass.

· An LCR impedance circuit apparatus is a piece of lab equipment designed to study the behavior of a circuit contning a resistor (R), inductor (L), and capacitor (C) · Instrument comprises of variable AC Power Supply 0-15 VAC, 2 AC · It allows for the measurement of impedance, voltage, current, and power factor of the LCR circuit. · The apparatus typically includes a variable AC power supply, AC meters, and internal components (resistors, capacitors, and inductors) connected in series or parallel. Components: · Variable AC Power Supply: Provides a controllable AC voltage source to drive the LCR circuit. · AC Meters: Two AC moving coil meters are used to measure the voltage and current in the circuit. · Internal Components: Resistors, capacitors, and inductors are housed within the apparatus, with connections brought out to terminals or sockets for experimentation. · Impedance Measurement: The apparatus allows for the calculation of the impedance of the LCR circuit, which is the total opposition to current flow in an AC circuit. · Power Factor Calculation: The apparatus can be used to determine the power factor, which relates to the phase difference between voltage and current.

Product Detls: Packaging Type Box Power 10-30 V DC Usage/Application Laboratory Material Mild Steel Current 500 mA To trace hystersis curves on cro using resistance, capacitance & inductance. output selectable using band switch, circuit diagram for bh curve printed, components connected behind the front panel, input & output connections brought out at sockets.

Product Detls: Minimum Order Quantity 1 Unit Usage/Application Laboratory Operating Voltage 220 V Display Type Digital Country of Origin Made in India Temperature 15 - 35 Deg C Karl Fischer Titrimeter is an automatic apparatus designed to carry out Karl Fischer Titrations for accurate determination of moisture content in various samples. The instrument comprises of two units i.e contol unit & titration unit. The control unit controls the complete automatic titration. On pressing the START button, the titration starts and the KF reagent is added automatically from the burette, through a solenoid valve into the titration vessel. As soon as the end point is reached, the titration is stopped automatically by the Control Unit. It has fully solid state circuitry incorporating advanced IC technology. Titration unit contns the magnetic stirring mechanism and the solenoid valve assembly. The cabinet is designed to serve as a titration stand. Karl Fischer method for determination of moisture content is used in pharmaceutical and drug manufacturing industries, food stuff, sugar, wood, paper and textile industries, petroleum refineries, chemical and fertilizer units etc. Request Callback Additional Information: Item Code: BT011 Production Capacity: 10 Delivery Time: 10 DAYS Packaging Detls: IN BOX

Product Detls: Usage/Application Laboratory Temperature Range 0-50 Deg C Display Type Digital Accuracy 2% FS Material Plastic Product Detls: Pen Type Aquasol (Rakiro) Fast, reliable and accurate measurement.Compact single chamber design Built-intemperature. SensorAuto shut off function to enhance battery lifeHold function for ease of read & recordEasy CalibrationAvlable in a Portable Pouch. Request Callback

Product Detls: Minimum Order Quantity 1 unit Display Type ANALOG Power 50WATT Color White Size 360*300*340 mm Usage/Application PHARMACY LABORATORY Number Of Drum 1 This programmable advanced instrument is equipped with microprocessor-based circuitry, to program the friability test. • The unit is equipped with informative two lines LCD display screen. • It is also equipped with digital readout, automatic pre-set count stop, and audio signal. • It is supplied with two acrylic drums. • The apparatus will have 10-degree tilt facility, as required. Request Callback Additional Information: Item Code: PC050 Delivery Time: 1 WEEK Packaging Detls: PACKAGING CHARGES ARE EXTRA Yes