Popular Science Appratus Workshops Private Limited

•  Wheel Type, 12cm, Chrome Plated
•  IME Type,12cm, Chrome Plated
•  Wheel Type,12cm, Stainless Steel
•  Vernier Calliper Imported, Digital L.C. 0.01mm

• 6" x 8"
• 8" x 10"
• 9" x 11"
• 10" x 12"
• 12" x 15"
• 12" x 18"
• 15" x 18"
• 18" x 24" 

• The Ball and Beam Apparatus shows the control problems of unstable systems, for example a rocket or missile during launch, which needs active control to prevent the missile going unstable and toppling over. 
• The apparatus has a steel ball which is free to roll on two parallel tensioned wires. 
• The wires are on a beam that pivots at its centre. 
• The system is a double integrator, so it is naturally unstable. 
• It needs active feedback control using phase-advance methods.
• A servo motor controls the beam angle and sensors measure the beam angle and ball position. 
• The basic control problem is to vary the beam angle to control the ball position.

This electric heating mantle is designed for safe and efficient heating of laboratory glassware. It is supplied complete with a connector plug and 1 meter of 3-core cable, ensuring quick installation and ease of use.

The mantle features a durable aluminium body with concentric rings, providing uniform heat distribution. It is equipped with a constant level device for stable operation and a 1 kW heating element with an automatic cut-out, offering enhanced safety by preventing overheating.

Tangrams Classpack includes 210 shaped pieces, enough to make 30 tangrams, including small, medium, and large triangles, squares, and parallelograms in 6 vibrant colors.
Perfect for engaging the entire class in learning play involving shape identification, comparison and composition, symmetry, and more.
Set of 30 tangrams in 6 colors.

Bulk Density Apparatus is used  to study the packing down of powder beds of different pharmaceutical and chemical powders, flakes, pellets, granules and other bulk substances.

Bulk Density is an essential test required in the process of tablet, capsule filling and cosmetic manufacturing.

Bulk density considers both the solids and the pore space, whereas, particle density considers only the mineral solids.

• The instrument has a cup wheel comprising of three conical cups with beded edges and free to rotate in a horizontal plane
• The Cup wheel spindle is connected by worm gearing to a revolution counter mounted inside a water proof housing
• The gear ratio between the Cup and Counter Spindles is so chosen that the run of the wind is shown directly in Kilometers and tenths
• Each of the three rotor cups shall have be semi conical in shape
• This instrument measures total run of wind passing at the point

Description:

·         A stereo zoom binocular microscope is a laboratory instrument used for viewing and magnifying three-dimensional objects.

·         stereo zoom binocular microscope magnification is 20x and 40x or  30x and 60x

·         Stereo zoom binocular microscopes are commonly used in a wide range of applications, including biological and medical research,                      materials science, and industrial inspection.

·         Focusing: Vertical movement with rack & pinion

·         Tension control knob & stroke 50 mm

Components:

·       Binocular Viewing Head 45 degree Inclined

·       Coarse Movement on Rack and Pinion

·       Built in Illumination Incident Light, 6v-20w Tungsten Lamp.

·       Duly Packed in Styrofoam Box (Wooden Cabinet Optional).

The sample is placed in a container with a base made from gauze with a mesh designed to hold soil particles but permit the animals to pass.

The container is arranged over a funnel with a light above. The heat causes the animals to move away from the top of the sample  through the gauze sheet and into the funnel from which they can be collected. Used to extract small invertebrate animals from a dry soil sample.

Most species are collected after two hours  but complete extraction takes two-three days.

The Orbital Digital Shaker is designed to deliver smooth, stable, and quiet shaking motion for efficient mixing of samples in culture dishes, flasks, and beakers. It is ideal for routine laboratory applications where consistent and reliable agitation is required.

• Automatic recovery after power failure.
• No-load detection, sudden load change detection, ground leak detection
• Overload/short circuit protection, over-voltage protection.
• Constant voltage & constant current with automatic crossover
• Internal fan to keep the system cool and safe.

The automatic range of 3000 kn capacity Automatic digital compression testing machine has been designed to meet the need for reliable and consistent testing of concrete samples.
All labtest machines feature the complete automatic test cycle with a closed loop digital readout.
Once the specimen parameters have been introduced, it is sufficient to press the start button to complete the test.

Features:-

• Automatic test cycle with standard rapid approach.
• Graphical LCD data acquisition and control system.
• Accurate load rate control within: 5 from 1 kN/sec to 20 kN /sec.
• Main parts: frame, power pack and data acquisition & control system.
• Class 1 starting from % 10 of the full range.
• Menu driven software for easy operation.
• Load vs time plot and instantaneous load rate displayed.
• Data storage up to 256 tests.
• RS 232 output for printer or PC.
• Free of charge PC software for test control and advanced report printout.

Technical Specifications:

• Capacity: 2000kN, 3000 kN
• Power: 750 W
• Oil capacity: 20 L
• Lower platens dimensions (dia.): 300 mm
• Upper platens dimensions (dia.): 300 mm
• Piston diameter: 250 mm, 300 mm
• Maximum piston movement: 50 mm, 50 mm
• Horizontal clearance: 360 mm, 425 mm
• Maximum working pressure: 410 Bar
• Dimensions (W x L x H) (mm): 810x500x970
• Weight: 795 kg, 1095 kg
• Maximum vertical clearance between platens: 340 mm
• The roughness value for texture of loading and auxiliary platens: 3.2 m

• Capacity 500 Kn.
• It is a motorized, mechanical unit.
• It is used for testing 40mm x 40mm x 160mm mortar specimens for flexural strength by single point loading.
• The speed is adjusted so that the load increase on the specimen is between 4 to 6 kg/sec.
• A flexure test attachment for keeping the specimen in position is also supplied.
• This consists of two rollers 10mm. diameter and spaced 100mm apart, and a third roller of the same diameter equidistant from the first two and for transmitting the applied load to the opposite face of the prism.
• The unit is for operation on 230 Volts, single phase, 50 cycles A.C.supply.
• Loads are measured on a proving ring fitted with a sensitive dial gauge.

Specifications:

• This curing tank has been designed to accommodate 150mm / 70.6mm cube moulds and upto 36/72 cube mould can be cured in one go.
• Controlled 35 C or 100 C 2 C Curing Temperature for concrete.
• Controlled 27 C 2 C Curing Temperature for grey cement.
• The pump, drain valves and electrical equipment are housed in a compartment located at one end of the tank.
• The tank is heated by an immersion heater under normal conditions and refrigeration system for grey cement the temperature is controlled at 35 C or 100 C 2 C / 27 C +2 C,expect for the 15 minutes after immersion of the freshly made specimens.
• This special curing tanks have been designed for hot water curing or steam curing in accelerated strength concrete.
• The interior is made from stainless steel.
• The tank is fully insulated, comes complete with a hinged lid, heater, thermostat and re-circulated pump.
• Provision of two removable racks allows free circulation of water around each mould.
• 24 Hour cycle from time of mixing.
• The electronic programmer can control up to four test cycles with different thermal gradients and curing time to a defined temperature value for a complete automatic curing cycle.
• The control panel include a 28 column thermal printer.

Size:-

• 6/12 moulds of 150 mm / 70.6 mm size
• 12/24 moulds of 150 mm / 70.6 mm size
• 24/48 moulds of 150 mm / 70.6 mm size
• 36/72 moulds of 150 mm / 70.6 mm size

Specification:

• A slump Cone and a graduated rod supplied with the instrument helps the operator to find out slump values and vibration table with container and acrylic disc is used to find out workability of concrete expressed in Vee Bee degrees, which is defined as the time in seconds to complete required vibrating at which the fresh concrete flows out sufficiently to come in contract of the entire face of acrylic disc.

Consists of :

• A vibrating table size 380 mm long and 260 mm wide, resting upon elastic support at a height of about 305 mm above the floor, complete with Start/Stop switch, cord and plug.
• The divisions of scale on the rod record the slump of the concrete in millimeters.
• Supplied complete with a sheet metal container with lifting handles which can easily be fixed to the vibrating table.
• A holder is fixed to the base in to which a swivel arm is telescoped with funnel and guide swivel arm is also detachable from the vibrating table.
• A slump cone open at both ends with lifting handles and a tamping rod of size 16 mm dia and 600 mm long rounded at both ends.

• A sliding ring indicates the load reached.
• Needle shanks are marked at every 12.5 mm.
• Weight: 5 kg (approx)
• This model, which is conforming to ASTM, AASHTO and UNI standards, consists of a spring loaded device which is graduated from 1 to 100 daN.
• Supplied complete with a set of needle pint of 650, 325, 160, 65, 32 and 16 mm2 area.
• It is used for finding out the rate of hardening of mortar sieved from concrete spring and a stem graduated from 0-70 kg x 1 kg.
• Six interchangeable penetration needles of areas 645, 323, 65 32 and 16 mm sq. is provided .
• The penetration resistance is measured by the force exerted to penetrate the mortar by 25 mm and is indicated by a sliding ring on the stem, which is graduated.
• Supplied complete with carrying case.

• The Bartracker, which use the Pulse induction technique, features a rugged waterproof IP 65 case with a probe storage for easy portability.
• The battery pack can be recharged inside or outside the gauge.
• The display screen shows you everything you need to know.

• The apparatus is used to determine the workability of Portland cement & concrete.
• Considered to be simple and much faster than the slump test.
• A strip frame, guides the handle and serves as a reference for measuring the depth of penetration.
• The handle is graduated in mm. Penetration can be recorded to the nearest 0.5 mm.
• Twice the Kelly ball reading approximately equals the slump.
• It consists of a cylinder with a ball shaped bottom and handle, together weighing 15 kg.

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• Size:200 mm
• Material: Stainless steel,Plastic
• Accuracy: +/- 1%
• Easy to use, mounted on a stand.
• This apparatus is used to assess the surface absorption characteristics of concrete.
• The unit consists of a capillary tube mounted on a scale, a water reservoir & connecting tubes.
• The rate of flow of water per unit area into a concrete surface when subjected to a constant head of 200mm is measured.

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• This test method is used to estimate the bearing capacity of a soil under field loading conditions for a specific loading plate and depth of embedment.
• It is also used for load tests of soil and flexible pavement components for use in evaluation and design of airport and highway pavements.
• Plate Loading Test Set consists of a 200 kN, 500 KN, capacity piston assemly and hydraulic hand pump, pressure transducer, LPI battery operated digital readout unit, 2.4 m long datum bar, 3 pcs. 25 mm travel x 0.01 mm digital dial gauges with dial supports, 300 mm and 450 mm dia. loading plates.

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• Vibratory table, with a cushioned steel vibrating decks about 75cm x 75cm.
• Suitable for operations on 415V, Three Phase supply.
• Cylindrical metal unit weight mould, 3000ml, 15000 ml, capacity.
• Guide sleeve with clamp assembly.
• Surcharges base plate for mould.
• Handle for surcharge base plate.
• Surcharge weight.
• Dial gauge: 0.01mm x 50mm travel.
• Extension piece: 25mm for dial gauge.
• It has a frequency of approximately 3600 vibratory table, minute under a 11.5kg load.
• Amplitude is variable in between 0.65mm in step of 0.05 to 0.25mm, 0.25 to 0.45 mm and 0.45 to 0.65mm.
• The total weight together with surcharge base plate and handle is equipment to 140 kg. / cm2. For mould.

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• Calculates corrected CBR value at 2.5 and 5 mm the digital unit saves the load value at user defined displacement values such as 0.625, 1.25, 1.875, 2.5, 3.75, 5, 7.5,10, 12.5 mm.
• Can make test with displacement and limited load control.
• 1/256000 points resolution per channel.
• 10 data per second sample rate for each channel.
• Ethernet connecting for computer interface.
• 800480 resolution 65535 color TFT-LCD industrial touchscreen.
• Real time display of test graph.
• CPU card with 32-bit arm RISC architecture.
• Permanent storage capacity up to 10000 test results.
• 4 analog channels, 2 channels are active for CBR.
• The load corresponds to the displacements corrected respect to the linear region of the data has also saved.
• The % CBR at 2.5 mm and % CBR at 5 mm is also automatically calculated and saved.
• 4 main function keys.
• Multi-language support.
• 3 different unit system selection; kn, ton and lb.
• Real-time clock and date.
• Test result visualization and memory management interface.
• Remote connection through ethernet.

• The Instrument is used for determination and checking of Bitumen percentage in Bituminous mix, the mix is added with a solvent and dissolved bitumen is removed by centrifugal action.
• A drain is provided to collect dissolved Bitumen coming out of the rotating bowl and getting collected in the housing.
• The bowl assembly is mounted on a vertical shaft, which protrudes from a cast housing.
• This shaft and thus the bowl is rotated fast manually by enclosed gears in the cast body and handle.
• Solvent is introduced during the test through the holes in the cap of the housing.
• Consists of a removable Aluminum rotor bowl, Capacity 1500 gms.
• With a cap and tightening nut.

• Electrical heating, with a Heater and Energy Regulator.
• Suitable for operation on 230 V, 50Hz, Single Phase, A.C. supply.
• Each unit is supplied with bath of heat resistant glass.
• Tapered Rings
• Steel Ball, of 9.5mm dia.
• Ring Holder
• Electric Heater (Hot Plate)

• M.S. Cylindrical Container 150mm +/-0.5mm dia x 130mm to 140mm high with base plate 200 to 230mm/sqr x 6mm thick.
• A Plunger of 148mm +/-0.5mm dia x 100 to 115mm high.
• Supplied complete with Tamping Rod, 16mm dia x 600mm long, both ends rounded, 1 no. Metal Measure 115+/- 0.5mm dia x 180 +/- 0.5mm high.
• Each set consists of steel cylinder, plunger, base plate, cylindrical measure and tamping rod.
• All parts of the apparatus are powder coated or galvanized steel, heat treated and ground before manufacturing to make it durable and reliable.

• Torque measurement by torque cell.
• One range with a high resolution throughout the range.
• Facility for connecting the DAS Panel to PC.
• Measurement of Angle of Twist by Rotary Encoder.
• Geared motor to apply the torque to specimen through gear box.
• Display of Torque and Angle of twist on LCD display provided on Data Acquisition System.
• Accuracy of torque measurement 1% in the range from 4% to 100% of machine capacity.

• The buoyancy balance system developed by us consists of a rigid support frame.
• Incorporating a water tank mounted on a platform.
• The sample is weighed in air and in water to calculate the density of fresh concrete.
• A mechanical lifting device is used to raise the water tank through the frame height immersing the specimen suspended below the balance fixed on a cradle.
• The balance supplied may also be used as a standard weighting device, thus providing a versatile and comprehensive weighing system in the laboratory.

• Test sieves are woven wire or perforated metal pans that are used for sifting and filtration.
• Test sieves are accurately constructed by placing wire cloth between two suppressed die formed frames.
• Stainless steel or brass is generally used in the construction of both the frame and woven wire mesh.
• Sizes: 76, 100, 150, 200, 250, 300, 350, 400 mm, etc.
• Sieve frames stamped using 22 ga. Sheet metal.

• Made of steel protected against corrosion.
• The core cutter is driven into the soil using the driving hammer.
• The set includes core cutter, driving dolly and driving rammer.
• Then the core is dug out, trimmed, weighed, dried and the density and moisture content calculated.
• Two versions available: dia. 100x 130 mm high and dia. 150180 mm core.

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• Made of Brass / GI with Stainless steel Wire Mesh 6.3mm / 4.75mm size Ruggedly Constructed.
• Approximately 20cm dia x 20cm high.
• Complete with Handle.
• Construction: Reinforced No. 8 wire mesh.
• Handle: Bail-type.
• Dimensions: 8 diam. x 8 h. (203 x 203 mm).
• Weight: Net 2 lbs. (0.91 kg).

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• A small-scale machine that fits on a benchtop and allows simple tensile tests of metal specimens up to a maximum load of 20 kN.
• The load application mechanism includes a hand-driven worm-and-wheel gearbox, driving a lead screw with approximately 400 mm of travel. 
• These low-friction bearings, with the large handwheel allow the user to apply maximum load with minimum effort. 
• The load measuring mechanism is a strain-gauged load cell that connects to a microprocessor-controlled digital display.
• The mechanism uses ball races and self-aligning ball thrust races in the direction of loading.  
• The load display unit has a ‘peak hold’ function to register the maximum load before the specimen breaks. 
• A sliding digital display measures the tensile displacement (extension) over the entire movement.
• They also give smooth and progressive operation, necessary to help the user apply a steady strain rate for best results 

This cast iron base support is designed to provide stable and reliable support for laboratory rods of Ø 8 mm and Ø 12 mm (rod not included). Manufactured from high-quality cast iron, it offers excellent strength, durability, and vibration resistance, making it ideal for routine and heavy-duty laboratory applications.

With a compact yet sturdy design, the base measures 210 mm in length and 200 mm in width, ensuring a firm foundation for mounted rods, clamps, and laboratory accessories. The solid construction and 1.2 kg weight enhance stability and prevent tipping during use.