Concrete Testing Machine

Product Details:

Automatic Compression Testing Machine
Item code: ECTM-13

Automatic range of 2000 kN and 3000 kN capacity compression testing machines has been designed to meet the need for reliable and consistent testing of concrete samples. All our 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.
Compression machines consist of their main parts: Frame, power pack and data acquisition & control system. Each part has been designed to manufacture machines with a high degree of mechanical stability and complies to EN 12390-4; BS 1881 and ASTM C39 (with suitable platen set) standards.

Main Characteristics :

• Automatic test cycle with standard Rapid Approach

• Graphical - LCD Data Acquisition and Control System
• Menu Driven Software for easy operation
• Load vs time plot and instantaneous load rate displayed
• Accurate load rate control within ±5 from 1 kN/sec to 20 kN/sec
• Class 1 starting from % 10 of the full range
• Ready Stress Calculation for the standards of EN 12390-3, EN 12390-5, EN 12390-6, EN 1338, EN 1340, EN 196 SI, Metric, Imperial Units
• Data storage up to 256 tests

• RS 232 output for printer or PC# PC software for test control and advanced report printout

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• Item Code: ECTM-42

Product Details:

Compression Testing Machine Hand Operated
Item code: ECTM-3

For Compression test on Concrete or similar materials. Suitable for use on Concrete Cubes of any size upto 5cm x 5cm x 5cm, 7.06 x 7.06cm, 10cm x 10cm x 10cm, and 15cm x 15cm x 15cm also on 10 x 20cm and 15 x 30cm high Concrete Cylinders. The load is applied thru hydraulick assembly.The lower platen is on the Hydraulic ram, and upper having a spherical seating is adjustable. The machine is provided with an air release valve and the load is automatically indicated on the 15 cms diam hydraulic pressure calibrated against an N.C.B.M. tested Proving Ring and fitted with a legless max pointer in addition to the ‘live’ pointer.

Compression Testing Machine, Hand Operated, 25,000 kgf (250 KN, channel) Model : double plunger pump with hydraulic pressure gauge. Our own Calibration

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• Item Code: ECTM-3

Product Details:

Compression Testing Machine Electrically-cum-hand operated.
Item code: ECTM-4

The machine embodies an Hydraulic system designed to meet the requirement of Indian

Standards Specification

516-1959 for compression tests on concrete Cubes upto 5cm x 5cm x 5cm 7.06cm x 7.06cm x 7.06cm, 10cm x 10cm x 10cm and 15cm x 15cm and also concrete Cylinders upto 10 x 20cm, 15 x 30 cm height

Loading Unit :- The hydraulic jack of is fixed to the base. The upper platen has got a self-aligning action and is attached to a screw, which passes thru the cross-head plate, and can be raised or lowered for initial clearance adjustment. The lower platen rests on the jackram and is positioned with the help of a centering pin. Loading is accomplished by the upward movement of the lower platen.
A dust cover is provided on the jack to prevent any dust from going into the cylinder. A spacer with a centering locating pin is provided to test small specimens. The lower and upper platens of the machine are hardended , ground and polished. Guidelines are marked on the lower platen to keep the specimen coaxial with the hydraulic jack.

Pumping Unit :- The motorised pumping unit, which is housed in an elegant console is of double plunger type and is driven by a single phase 220/440 Volts 50 cycles electric motor. The pumping unit is a separate unit connected to the jack by means of a Rubber Hose Pipe. A junction box is suitable fixed to connect the motor to the mains thru a push button starter.Hose Pipe. A junction box is suitable fixed to connect the motor to the mains thru a push button starter. The pumping unit is fitted with a 20 cm diam dial hydraulic Pressure Gauge with 100 division i.e. calibrated against N.C.B. Tested proving ring. A max red pointer is provided to facilitate taking readings after failure of the specimen.

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• Item Code: ECTM-4

Product Details:

VEE BEE Consistometer
Item code: ECTM-6

The instrument is used for workability as well as consistency of fresh concrete. 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.

Specification:

The equipment consists of :

A vibrating table size 380mm long and 260mm wide, resting upon elastic support at a height of about 305mm above the floor, complete with Start/Stop switch, cord and plug. 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. 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 slump cone open at both ends with lifting handles and a tamping rod of size 16mm dia and 600mm long rounded at both ends.

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• Item Code: ECTM-6

Slump Test Apparatus
Item code: ECTM-7

It is used for the determination of the consistency of freshly mixed concrete, where the maximum size of the aggregate does not exceed 38mm.

Specification of Slump Test Apparatus
The apparatus consists of one slump cone with handles and foot pieces. The slump cone has internal dimension 20 cm dia at base 10 cm top dia and 30 cm height foot pieces can be fixed to the clamps on the base plate. The base plate has lifting handle for easy transportation . One graduated steel rod 16mm dia x 600mm long Rounded at both ends and graduated in mm is also supplied.

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• Item Code: ECTM-7
• Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)

Pocket Concrete Penetrometer
Item code: ECTM-10

For fast evaluation of the initial setting of concrete. It can be used on light weight concrete, special roof deck mixes and concrete additives.

Specification :

Consists of a needle having face area 3/10 sq. cm. and graduated at a distance of 25cm. The needles point is an integral part of barrel which houses a calibrated spring. The spring is confined in a sleeve. The resistance offered by the concrete mortar is shown on the direct reading scale with a marker ring which holds its position when released. 2 Scale range is 0-50kg/cm2 when the penetration resistance reaches a 2 value of 35kg/cm2 the concrete is assumed initially set. Supplied complete in carrying case.

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• Item Code: ECTM-10

Mortar Penetrometer
Item code: ECTM-11

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 16mm sq. Is provided . The penetration resistance is measured by the force exerted to penetrate the mortar by 25mm and is indicated by a sliding ring on the stem, which is graduated. Needle shanks are marked at every 12.5mm. Complete in a wooden carrying case.

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• Item Code: ECTM-11

Product Details:

Laboratory Pan Mixer 56 LTS (Motorised)
Item code: ECTM-14

This muliflow mixer absorbs fewer air during mixing, requires shorter mixing time and grants a perfect homogeneity in mixtures having a low water and cement ratio. The pan is easily removable by means of a trolley. The blades are hardened against wear.

Power supply : 440 V A.C. Three Phase.

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• Item Code: ECTM-14

Straight Edge
Item code: ECTM-17

Used to remove excess material when molding cube and cylinder speciments. Conduction slump cone and air meter tests.Flat bar made from steel.

Model Description

2” X 18” (5.1 X 45.7CM)
1” X 12" (2.5 X 30.4CM)

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• Item Code: ECTM-17

Product Details:

Beam Mould
Item code: ECTM-20

For casting, concrete specimen for flexure tests

Specification :

Made of Cast Iron / Mild Steel. The mould are made of 4 plates assembled together. Each mould is supplied complete with base plate. Faces are machined flat to ± 0.2mm. And finished in size to 0.2mm.

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• Item Code: ECTM-20

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Vibrating Table
Item code: ECTM-27

It is designed to carry a load of 140 kg . The apparatus consists of a motor fitted with a variable pitch pulley housed in a cabinet. The vibrations are imparted by means off-balance masses rotating on a shaft of a vibrator clamped to the underside of the table top. The table top is 50cm x 50cm and has stops along its edges to prevent moulds from walking off the table during vibration . A crass arm adjustable on a vertical rod at the centre of the table is provided to hold the moulds while operating the between a maximum of 3600 vibrations down to 2600 vibration per minute. A speed regulation handle is provided for increasing or decreasing frequency. A switch is provided for starting the motor. Suitable for operator on 440 Volts, A.C. Three Phase, 50 Cycles.

Note : Table top size : 75cm x 75cm & 100cm x 100cm also available at an extra cost.

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• Item Code: ECTM-27

Product Details:

Demountable Mechanical Strain Gauge
Item code: ECTM-28

It is used for finding out the linear deformation caused on two reference points fixed on a loading member.

Specification : This portable gauge is designed for a gauge length of 20 cm. of the reference pins. The deformation is indicated by a 0.002 x 5mm dial gauge attached to the instrument. Complete with two standard bars for 20 cm gauge length supplied in a wooden case.

Accessories : Reference pins in packet of 100 nos. at an extra cost.

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• Item Code: ECTM-28

Product Details:

Sand Apsorption Cone and Tamper
Item code: ECTM-31

Used for determining the slump of fine aggregate in the determination of bulk and apparent specific gravity and absorption of fine aggregate.

Specification : The equipment comprises of a conical metal mould 1.5inch dia at to 27/8 top, 3.5 inch dia at base and 2 inch in height. A metal tamping rod weighting 12 ounces and having a flat circular tamping faces 1 inch in dia meter.

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• Item Code: ECTM-31

Density of Fresh and Hardened Concrete
Item code: ECTM-32

The density of both fresh and hardened concrete is of interest to the engineer for numerous reasons including its effect on durability, Strength and resistance to permeability. Hardened concrete density is determined either by simple dimensional checks, followed by weighing and calculation or by weight in air / water buoyancy methods.

Density of Hardened Concrete :The density of hardened concrete specimens such as cubes and cylinders can be quickly and accurately determined using a Buoyancy Balance.

Buoyancy Balance :The buoyancy balance system developed by us consists of a rigid support frame. Incorporating a water tank mounted on a platform. 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. The sample is weighed in air and in water to calculate the density of fresh concrete.Used for determining the slump of fine aggregate in the determination of bulk and apparent specific gravity and absorption of fine aggregate.

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• Item Code: ECTM-32

Product Details:

Item code: ECTM-33

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 its useful for site applications. The digital machines are provided with a pace rate indicator to indicate pace rate on a Bar Graph. With a little experience, the pace rate can be manually adjusted while the test is in progress.

The Complete Unit comprises of :

Loading Unit : The loading unit is of fully welded construction having a cross head, base and solid plates. The 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.

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 upto 100 complete runs/tests can be stored in the memory.

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• Item Code: ECTM-33

Micro Controller Based Compression Testing Machine
Item code: ECTM-35 

Operation of Micro Controller based Compression Testing Machine are controlled by an intelligent Pace Rate Controller. This facilities Automatic Pace Rate Control, Data Logging, Data Printing, Load Hold etc. It has a full 3 term PID feed back control which uses a high torque Stepper Motor. It consists of a Loading Unit, an Electrically Operated Hydraulic Pump and an Intelligent Pace Rate Controller. Micro Controller based Compression Testing Machine is available in all models from 50kn to 3000kN capacity. In addition to all the features of Compression Testing Machine with digital display, this machine has automatic pace rate control with the facility of data logging, storage & printing for analysis. The operation of the machine is detailed in the operating manual supplied with the machine. The operation is user friendly with a menu driven interface and prompts for an operator.

Loading Unit :The loading unit is of fully welded construction having a crosshead, base and solid side plates. The hydraulic jack is fixed to the base. the platens of the machine are hardened, ground and polished. The upper platen is provided with self-alinging action. To facilitate testing of various size specimens, suitable size spacers are provided compete with ball seating arrangement.

Pumping Unit :The pumping unit has two speeds. It can pump oil from an oil reservoir, fitted with an oil filler plug-cum-dipstick and a drain plug. The pump is driven by an electric motor which has to be connected to 220 Volts, Single Phase, 50 Cycles A.C. Supply through a junction box provided for the purpose, at the back of the pumping unit. The unit further contains two programmable motors for pace rate control and the opening and closing of the release valve. It is also provided with manual release to be used in case of a power cut or any other emergency.

Special Features :

1. Automatic Pace Rate Control at a preset value.
2. Automatic Data Logging.
3. Logged Data Printing Facility.
4. Data Storage for upto 150 runs.
5. Multifunctional LCD interface.
6. Menu Driven interface.
7. Auto Shut down facility.
8. Load hold facility.
9. Manual emergency stop button.
10. Peak load record.
11. Bar Graph Display for on-line monitoring of the quality of control.
12. Automatic control of the pump motor.
13. Automatic display of breaking load at the end of the test.
14. Real Time Clock to keep automatic track of the date, time and runs.
15. Calibration checking facility.
16. Support for an additional compression or flexure units (optional).

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• Item Code: ECTM-35

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Automatic Compression Testing Machine
Item code: ECTM-36

The Automatic Compression Testing Machine is a fully automated version of the manual / semi automatic Compression Testing Machine. The machine is available in 500kN, 1000kN, 2000kN, 3000kN, 5000kN Ranges. It has provision for automatically turning the pump on and off, controlling the set pace rate and switching the machine off under predetermined conditions. The Control release the pressure at the end of every run and reinitializes the machine at the beginning of every test. The pace rate is maintained by means of full three term PID feedback control using high torque stepper motors and drivers sets. Data acquisition, storage, management and analysis are all fully automated. The load resolution is for is 0.1kN for machines upto 1000kN capacity & 1.0kN for the 2000kN, 3000kN & 5000kN Machines.

The complete unit comprises of:

Loading Unit : The loading unit is of fully welded construction having a cross head, base and solid side plates. The 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.

Pumping Modlule : This has a two-speed hydraulic motor driven pump and a bonded strain gauge based pressure transducer.

Digital Head :This contains all the electronic system for controlling the pace rate, acquiring and storing test-data, communicating with the computer and operating the load-release motor. RS 485 to RS 232 Convertor : This convert data transmitted by the digital head to a form recognized by the computer.The system is compatible with any computer with the following:

Specification :

• P-IV and above, 1.9Ghz
• 256 Mb RAM
• Intel Chipset with on-board graphics card.
• 40 GB HDD1
• .44MB FDD & CD ROM DRIVE
• Standard Keyboard
• 1 Serial Port
• 1 Parallel Port
• Printer HP 5550 or latest
• UPS APC 500 VA or equivalent

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• Item Code: ECTM-36

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Automatic Compression Testing Machine
Item code: ECTM-37

The Automatic Compression Testing Machine has all features of Micro Controller based Compression Testing Machine.

In addition, it has:
1. An automatic load release facility
2. Support for data transmission over distances upto several kilometers. This is useful for testing in the field. (Optional feature)
3. Measurements of Strain with a resolution of upto 0.001 mm (optional feature)
4. Measurement of Flexural Strength (optional feature)
5. Facility to enter the required pace rate, at the beginning of the run

Software: A powerful “Analysis and Reporting Software Tools” with the following features:

1. An intuitive and easy to use graphical userinterface
2. Facility to list all the runs stored in the digital head/box
3. Facility to download and plot the data for a selected run
4. Facility to save test-data along with other information about the sample such as age, sample number and batch name
5. On -line graph of Load Vs Time
6. Numerical display of the instantaneous value of the load
7. Automatic display of a breaking load at the end of the test
8. Log-in controlled multilevel access
9. A facility for creating users and enabling /disabling their log-in permissions
10. A sophisticated reporting tool which can be used to generate-Reports for individual samples with data in graphical of tabular form
11. Load Vs Time Plot
12. Stress Vs Time Plot
13. Calibration report
14. Batch Summary report
15. Selective deletion of individual and multiple sample records
16. Online Help Manual

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• Item Code: ECTM-37

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Compression Testing Machine (Pillar Type Load Frame)
Item code: ECTM-38

These are four pillar type load frames. Four solid pillars are vertically fixed to a sturdy base and at other end is fixed a cross head. The height of the cross head is also slightly adjustable. A gauge 200mm is fixed in the centre of cross head. To the lower end of this lead screw is fixed upper platen with a spherical seat for self alignment. At the centre of the base plate is fixed a jack, on the top of which the lower platen with the help of a centering pin is kept. The distance between the upper and lower platen is variable by means of the lead screw. A spacer block is also supplied with the load frame. This spacer block which can be fitted on the top of the jack and below the lower platen by means of centering pins helps reduce the distance between the two platens. The platens are well machined, polished and hardened. The lower platen has concentric grooves to centrally place the specimen. A dust cover for jack is supplied to prevent any going in the jack. Ranges: 50kn to 3000 kn.

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• Item Code: ECTM-38

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Compression Testing Machine (Four Pillar Nut Model)Hand cum Electrical Operated
Item code: ECTM-39

The load frame is made up of high quality steel construction with a fixed. Upper lead carrying a ball seated platen. 4 pillars are fixed to the base and the top plate of the loading frame. The upper and lower plates are adjusted with the help of head screw on either side of the pillar. The ram dia of the machine varies from the requirements of the customer. The lower pattern are at the base of the frame above the ram and it is rectangular in shape. Sufficient clearance is provided between the platens to fit in the cylindrical/ cube moulds. Spacer provided to adjust cubes and cylinders. A 20 cm dia pressure gauge with maximum load induction pointer is fitted on the top panel and in turn is connected to the hydraulic pressure pipe. On the right hand a console is fitted within which the electrical motor is fitted alongwith its coupling which inturn is connected to the pumping unit. A slow / fast loading rate regulator fixed on the top of the console for adjusting the rate of loading. The machine is duly calibrated and passed after inspecting and analyzing it with a compression level indicator is provided as a dip stick. Optional :1. Extra gauges can be attached to the machine (max. 3nos.), for better accuracy and results.2. Electrical connection can either be Single Phase on 220 V A.C., or Three Phase 440 V A.C.3. Rectangular plates of various sizes on request.

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• Item Code: ECTM-39

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Compression Testing Machine(Channel Type Load Frame) Hand Operated.
Item code: ECTM-40

In these load frames “C” channels are used, they are welded at the top as well as bottom and with stand high loads. A hydraulic jack is fitted at centre of the base of the load frame, over which can be fitted lower platen and spacer block with the help of centering pin. A lead screw passes through the top of the frame. To the lower end of this lead screw is fixed the upper platen with spherical seat for self alignment. The platens are accurately machined, hardened and polished. The lower platen grooves to correctly place the specimen.

Note : The platens are normally rectangular on shape, but no special request square platens or circular platens can be supplied at an extra cost. Ranges : 50 kN to 3000 kN

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• Item Code: ECTM-40

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Ring and Ball Apparatus
Item code: EBTE-28

This apparatus is used to determine Softening point of Bitumen. It is that temperature at which a sample of bituminous material loaded by a 9.5mm dia steel ball, drops a specified distance when heated under specified conditions.

Specification :

The apparatus consists of steel bracket with a sliding plate support. That support has two holes of 10mm dia on which a ring and ball guide can be kept. A central hole on this plate is for inserting thermometer. Supplied with a glass beaker approximate 600ml, high and a hand stirrer and 2 Nos. 9.5mm dia steel balls.

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• Item Code: EBTE-28
• Pay Mode Terms: T/T (Bank Transfer)