Central Scientific Instruments Co. Dilshad Garden, Delhi

The Universal Cone Penetrometer is used for testing wide variety of materials. In this test a chosen force is applied over a given area for a known period of time and the depth of the penetration or depression made in the sample is measured in tenths of a millimeter which is expressed as a penetration number. We are a name of repute in manufacturing and supplying Universal Cone Penetrometer of superior quality at reasonable rates. Components Consists of an accurately machined aluminum base with in set sprit level.Adjustable feet are provided in the base for leveling.The unit is supplied with built in timer to control the duration of penetration which is preset to 05 seconds.The instrument is provided with lead screw gear arrangement, leveling screws, SPR it level.It is supplied complete with a plunger weighing 470.5gms for testing bitumen products, two brass weights of 50 & 100gms each, aluminum containers, brass penetration cone weighing 102.5 + .05gm, Penetration needle Used to test GreasePetroleumBitumenTarAsphaltSoil

We are offering universal automatic soil compactor. in every soil laboratory, compaction and penetration tests on soils are carried out regularly. The electrically operated mechanical compaction process eliminates the tedious hand compaction process and results in a considerable saving of time. Two rammers with two different stroke lengths are provided. This makes the apparatus suitable to carry out all the normal compaction operations required in soil testing laboratories including the cbr tests. This is a new design motor driven mechanical compactor, useful for soil compaction in 100 mm or 150 mm dia moulds. The rammer travels across the mould and the table rotates the mould in equal steps on a stable base. The number of blows per layer can be set at the beginning of the test. Rammer - circular faced 50mm dia adjustable to 2.6kg or 4.9kg weight. drop - adjustable to 310mm or 450mm automatically. In this compactor selection of proctor and cbr is done automatically through a switch. the equipment is suitable for operation on 220 v, 50 hz, single phase, ac supply.

Stability Test Apparatus is used to test the stability of cylindrical specimen of bituminous paving mixture loaded on the lateral surface. The Stability Test Apparatus is used for the hot mixture containing asphalt or tar and aggregate upto 25.4mm. We are a name of repute in manufacturing and supplying Stability Test Apparatus of superior quality at reasonable rates. Components Mar shall Load Frame comprising of body housing, a geared screw jack and motor driven mechanism and having capacity of 50KN. The rate of travel is 50.8mm/min. and is duly fitted with auto cut off switch.Breaking head Stability Mould with dial gauge.01 x 25mm travelCylindrical Compact ion Mould made of M.S complete with base plate and extension collarCompact ion Pedestal: It consists of a M.S plate capped on a wooden post. A mould Clamp is fitted to the top of the plateCompact ion Hammer weighs 4.5Kg with a free fall of 457mmLoad Transfer bar supplied complete with proving ring of 25KN Suitable for Operation on 220V, 50HZ, Single Phase, A.C supply Used by Highway departmentsContractorsEngineersTesting laboratories

Slump Test Apparatus has a slump cone which is filled with freshly mixed concrete and is tamped with a tamping bar in three or four layers. The top of the concrete is leveled off with the top of the slump cone, the cone is lifted vertically up and the slump of the sample is immediately measured. The base has cleats on its underside to help dig into the ground surface. Manufactured with M.S sheet Supplied with Base plateCleatsSwivel handleTamping rod Features Rust ResistanceLow maintenanceEasy to operateEconomicalSafeRobust

We manufacture and supply Permeability Tester used for permeability test on pozzolana cement mortar with or without water. The equipment consists of brass cells of 100 mm. and 50 mm diameter. Each cell with collar is clamped in between a base plate and a top plate with the help of tension rods and nuts. The cell assembly is mounted on the stand. The top plate is provided with inlet and air release vent and the base plate is provided with an outlet. A pressure chamber is fitted with a pressure regulator and a pressure gauge 0-10 kg/cm2 indicating chamber pressure, and a pressure gauge 0-7 kg/cm2 indicating test pressure. Models Available Permeability Apparatus, three cell with foot pumpPermeability Apparatus, Six cell with an end pressure gauge Features DurableResistance to rustEasy to controlCost-effectiveSafeLow maintenance

The Mortar Mixer we manufacture and export in the market is used to prepare mortar for strength determination as specified in IS: 4031. Mortar Mixer can also be used in mixing lime with pozzolonic materials for determination of lime reactivity (as per IS: 1727) and for uniform mixing of soils with additives such as lime, cement etc. The stainless steel mixing bowl has a capacity of 5 liters. The paddle is also made of stainless steel. The apparatus has got both planetary as well as revolving motion for uniform mixing. It can be electrically driven at two speeds. Manufactured with Stainless steel Features Rust freeEasy to operateCost-effectiveProtectedLow maintenanceRobust

We are offering los angeles abrasion machine. it is used for determining the resistance to wear of small size coarse aggregates and crushed rock. The machine consists of a hollow cylinder, mounted on a sturdy frame on ball bearings. A detachable shaft which extends throughout the inside length of the drum catches the abrasive charge and does not allow it to fall on the cover. The drum is rotated at a speed of 30-33 rpm by an electric motor through a heavy duty reduction gear. Suitable operation on 415v, 3 phase, 50hz, ac supply. Supplied complete with abrasive charge.

We are a name of repute in manufacturing and supplying Load Frames of superior quality at reasonable rates. The Load Frames we export are available in two models. LOAD FRAME MOTORISED CAPACITY 50KN HAVING 8 SPEEDS FeaturesTwo Pillar typeDetachable FrameEnclosed Motor and Gear SystemIndicatorSpeed ChartUseful in Triaxial and C.B.R. testComponentsCabinet which housed the electrical motorReduction gear the loading is done by the upward movement of the lower plate which is firmly fixed to the lead screw. When the lever is set in the neutral position , it isolate the lead screw from the rest of the drive mechanism, and the lead screw ca n then be manually moved up or down by operating the handle.A main switch, an indicator and a forward reverse switch are fixed on the unit.A relay is fitted inside the cabinets that in case of power failure, the unit will not restart of its own on the resumption of power, unless the switches are operatedThe adjustable cross head can be set at any desired position or height over the two pillars and secured in position by tightening the adjustment nut. It has a hexagonal adaptor.Its rates of strain are 0.0 2 5mm. /min, 0 .0 5mm/min , 0 .0 5mm/min , 0.0 6 2 5 , 0 .1 2 5mm/min , 0 .0 2 5mm. /min , 0 . 0 2 5mm. /min , 0 . 5mm/min, 0 . 6 2 5mm. /min and 1.2 5mm. /min.Suitable forOperation on 230 volts,5 0 cycles , single phase ,A.C. supply LOAD FRAME MOTORIZED CAPACITY 50KN WITH 3 RATES OF STRAIN. Technical detailsTwo pillar typeDetectable frameEnclosed motor and gear systemIndicatorUseful tri-axial and C.B.R testElectrical motorReduction gearAdjustable crossheadMain switch, forward reverse and reverse switch fixed on the unitRelay is fitted for power back-upHexagonal proving ring adaptorRate of strain are 2 .5mm./min, 1.5mm/min and 1.2 5mm. /minUsed inConstruction industryChemical industrySoil-testing purpose

We offer the best quality Laboratory Ball Mill which are highly durable and used for testing the ground cement samples in the Laboratory. Customer satisfaction is of top priority in Central Scientific Instruments Co., and our Laboratory Ball Mill is fabricated from the supreme quality thick steel plate, having an internal diameter of 300 mm. and length of 300 mm. This range of Laboratory Ball Mill undergoes stringent testing measures before they are allowed to go to the market and are designed keeping in view the industry standards. Laboratory Ball Mill is available in an encompassing range to our clients at leading market prices. Technical details Rotation of drum is regulated at 30 rpm.Fitted with an electric motor Reduction gear box to operate on 220 volts, single phase, 50 cycles, AC supply Fitted with revolution counter Fitted with water and air tight cover Supplied with Abrasive Charge Used in Cement industry Paint industry Granite industry Tiles industry.

At Central Scientific Instruments Co., we are acclaimed as an eminent Manufacturer, Supplier and Exporter of Gyratory Sieve Shaker in India and worldwide. Our company offers superior grade of Gyratory Sieve Shaker at competitive prices. This range of Gyratory Sieve Shaker is widely used in various industrial purposes and is highly appreciated for their robust and durable nature. Technical details Carries upto 7 sieves of 20cm diameterWhole gear mechanism runs on oil bathSuitable operation on 230 volts, 50 cycles, single phase, A.C. supplyFitted with Digital Preset Timer Used in Chemical industriesSoil-testing applicationsConstruction industries

At Central Scientific Instruments Co., we bring forth Ductility Testing Machine which can accurately test three specimens simultaneously. Our Ductility Testing Machine comprises of a carriage moving over a lead screw. In this equipment the entire assembly is mounted with a copper lined water bath completely encased in metal lined hardwood. Our expert and experienced workforce is equipped to bring to you an assorted range of Ductility Testing Machine at very competitive market rates. Technical details Temperature is controlled thermostaticallyTwo rates of travel i .e. 5cm/min. and 1cm.min.Suitable operation on 220V, 50Hz.Single Phase.A.C. supplySupplied with 3 Nos. of ductility mould complete with base plate Attributes Corrosion resistantHigh qualityDurableEnduring

Direct Shear Apparatus has an additional facility of determine the residual shear strength and 12 rates of strain. The Direct Shear Apparatus is suitable for testing a square specimen of 60mm X 60mm X 25mm. We bring for the clients Direct Shear Apparatus of superior quality at affordable rates. Components Loading Unit : consists of a load frame with V-strips on which shear box housing rests and load yoke with direct and lever system for applying normal load to capacity of 8kg/cm2, fixture for proving ring, bracket for holding consolidation dial gauge and lead screw for application of shear stress and an additional arrangement for conducting residual shear strength and choice of 12 rates of strain by electric operation through a turret gear system. Rates of strain : 1.25, 0.625, 0.25, 0.125, 0.05, 0.025, 0.01, 0.005, 0.002, 0.001, 0.0004 and 0.0002mm./min. Shear box assembly: for square specimen, size 60mm. X 60mm. X 25mm. complete with accessories. Features DurableResistance to rustEasy to controlLow maintenanceCost-effectiveProtected

The Digital Compression Testing Machine has been designed to meet the need for a simple, economic and reliable means to test concrete for its compressive strength. The design emphasizes simplicity, both of construction and operation, and makes the machine easy to use and maintain. The unit is compact, making it useful for site applications. We bring for the clients Digital Compression Testing Machine of superior quality at affordable rates. Components LOADING UNIT : The loading unit is of fully welded construction having a cross head, base and solid plates/Two pillars for four pillars nut or welded type having a cross head, base model. PUMPING UNIT : The two speed pump facilitates rapid approach of the platens for daylight closure and also provides comprehensive control over the application of load. A control valve provides fine control over the loading rate for accuracy of pacing. The digital read-out unit, incorporates a 4-digit display, calibrated in KN and features integral load pacing in kN/sec. Maximum load is held and retained for approx 15 min, unless cancelled, using the panel mounted reset switch. Pace rate set for running the test can be maintained manually with the help of a bar graph indicator. Logged data printing facility through a parallel port interface is provided in the machine. Readings of runs/tests can be stored in the memory. Hydraulic jack is fixed to the base. The platens of the machine are hardened, ground and polished. The upper platen is provided with self-aligning action. To facilitate testing of various size specimens, suitable size spacers are provided complete with ball seating arrangement. Features Easy to controlCost-effectiveDurableResistance to rustSafeLow maintenance

The Consolidation Apparatus comprises of a fixed ring type of consolidometer cell for testing specimens of 60mmx 20mm diameter thick. Suitable for varying sizes from 50mm x100mm diameter specimens. The Consolidation Apparatus is supplied with a set of weights to give a total pressure of 10kg/cm2 (besides a seating load of 0.05 kg/cm2 )on the specimen, but an additional set of weights are required to reach the full capacity of 20 kg/cm2 which will be supplied at extra cost. Models Available Consolidation apparatus threeGang and consolidation apparatus six gang Features Low maintenanceRobustRust ResistanceEasy to operateReasonably pricedSafe

Proper compaction of cement concrete while casting specimens for compression testing is essential to achieve a better and more consistent mixture. Concrete Vibrating Table is ideally suit for this purpose. The Concrete Vibrating Table we manufacture and export has stops along its edges to prevent moulds from sliding off the table during operation. The maximum load capacity is 140kg. The variable pitch pulley arrangement permits the frequency to be varied steplessly between 60 cycles/second and 43 cycles/second. Suitable for Operation on 415 volts, 3 phase, 50Hz, AC supply Dimension 500 mm. x 500 mm Features Low maintenanceRobustRust ResistanceEasy to operateEconomicalSafe

We manufacture Concrete Permeability Tester through which high pressure permeability test can be conducted on different size specimens using different cells. Each cell is made of steel and provided with a top plate and funnel at the bottom having gasket seals held in position through bolts and nuts. The concrete specimens are sealed in cell to prevent along the size walls. The permeated water is collected in glass bottles attached at the bottom. Each test stall has its own control system, operating pressure gauges and valves. In Concrete Permeability Tester, all tests can be performed at the same time using either the same head or varying head pressure as each stall is provided with its own pressure regulator and control. The control instruments are mounted on a sturdy welded structural stand. All multi-units are provided with end pressure gauges. Each unit is provided with chamber pressure gauges of 0-20 kg/cm2 and test pressure gauges of 0-15 Kg / cm2. Used in Civil engineeringSoil testing laboratoriesConstruction companies Features DurableResistance to rustEasy to controlCost-effectiveLow maintenance

The CBR test is used for determining the relative bearing ratio and expansion characteristics under known surcharge weight of base, sub- base and sub grade soil for the design of roads, pavements and runways. The apparatus consists of LOAD FRAME: Load Frame motorized capacity 50kN (5000kgf) having 3 rates of strains i.e. 1.25, 1.5 and d 2.5 mm/ minutes. It consists of a screw jack with a detachable handle. The lower platen moves up and down. The top bracket is adjustable for vertical clearance and has an adaptor for connecting standard Proving Rings. A dial gauge mounting bracket is provided on one of t h e two pillars. It is suitable for operation on 220 volts, 50Hz, single phase A.C supply. The apparatus is supplied with complete accessories.

we manufacture CBR Test Apparatus (Feild Type As Per IS: 2720-Part-31) is obtainable at highly economical price for the patrons. Apparatus consists of Loading Jack with U-bracket capacity50kN (5000kgf). It is speciallyDesigned for use Field CBR testApparatus consists of a handOperated, two speed, screw jack fittedWith a U-bracketA hexagonal adaptor is provided to fix a proving.Swivel Head for loading jackPenetration poston, 50mm. diameter threaded at the upper end, to connect to the various lengths of extension sleeves, through connector.Extension Set :Consists of 1 length of 5cm., 1 length of 10cm., 1 length of 30cm.,1 length of 100cm. used as spacers between the proving ring and penetration piston.The lengths are machined from steel tubing.Connector Set : consists of eight connectors for coupling the penetration piston and proving ring assembly, either directly or through extension piecesDatum Bar Assembly : consists of two stands and I m. long BarAdjustable bracket for mounting the dial gauge.Annular Metal Weight of 5 kg having 250mm, diameter. and with 53cm. central hole.Slotted Metal Weight of 5 Kg. with 215mm. to 250 mm. diameters and 53 mm. slotsSlotted Metal Weight of 10 Kg. with 215mm. to 250mm diameter and 53mm. slot.Dial Gauge, 0.01 x 25mm

Benkelman Beam utilizes the technique of using balanced beam in conjugation with a suitable vehicle to measure road flexure.The above Benkelman Beam is a convenient , accurate device for measuring the deflect ion of flexible pavements under moving wheel s loads . Operating on a simple lever arm principle, the unit consists of a Reference beam, Body, two par t Probe Beam and Rear Zero adjust. Features Light weight aluminum constructionEase of TransportationUnique Telescopic Design, simplifying field setupCompact which reduces the amount of storage space Supplied with Dial gauge range 0.01 x 25mmTravel and carrying case

The Automatic Bitumen Compactor we manufacture makes it possible to achieve high degree of compact ion. The drive mechanism lifts the weight of 4.5Kg and drops it from height of 457mm. The rammer foot is removable, which facilitates preheating. A compact ion pedestal with specimen is fixed to the base. An automatic blow counter enables the numbers of blows to be preset before each test and automatically stops the machine on completion. We bring for the clients Automatic Bitumen Compactor of superior quality at affordable rates. Suitable for Operation on 230V, 50Hz, single phase, A.C. supply Features Rugged Construct ion to withstand hard workFully Automatic and easy to operateUniform Compact ionAutomatic Blow Counter