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Lab Tender Suppliers Africa and Lab Equipment Africa Kenya, Zambia, Chad, Somalia, Senegal, Zimbabwe, Guinea, Rwanda, Benin, Burundi, Tunisia, Uganda, Sudan, Algeria, Morocco, Angola, Ghana, Mozambique, Madagascar, South Africa, Ivory Coast, Cameroon, Niger, Burkina Faso, Mayotte, Sao Tome, Seychelles, South Sudan, Mali, Malawi, Nigeria, Ethiopia, Egypt, DR Congo, Mauritania, Eritrea, Gambia, Botswana, Namibia, Gabon, Lesotho, Guinea Bissau, Equatorial Guinea, Mauritius, Eswatini, Djibouti, Reunion, Comoros, Cape Verde, Western Sahara, Tanzania, Togo, Sierra Leone, Libya, Congo, Central African Republic, Liberia
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The Structural Engineering 2 Learning System includes a data acquisition system, bridge components fitted with strain gauges, a test fixture hardware package, and interactive multimedia student curriculum. The data acquisition system uses structural members equipped with stain gauges to measure the forces acting on a structure, constructed by the learners, and the system records these values to provide a clear picture of how the structure is reacting to the applied force. Structural Engineering 2 Learning System, adds to the Structural Engineering 1 Learning System to teach statics, data acquisition, and bridge design analysis. Through calculations and data acquisition analysis, learners will analyze the forces in truss bridge designs. The learning content covers topes such as bending stress and the moment of inertia, data acquisition, and truss bridge analysis.
Features:
Measure the forces acting on a structure.
Interactive multimedia.
Teaches statics, data acquisition, and bridge design analysis.
Collects and displays data graphically.
Despite its simplicity, the apparatus has a high degree of sensitivity and may be used for student project work as well as for demonstration purposes. The Demonstration Lysimeter consists of three 300mm diameter containers in which may be placed any soil type and a variety of crop types grown. Each container can then in turn be placed on a hydraulically mounted plate which is used to monitor system weight changes arising from evapotranspiration.
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Palletizer: Palletize cases up to three layers
Pick And Place: Place parts inside boxes through a three axes manipulator
Automatic Warehouse: Transport, store and retrieve boxes from a rack
Batching: Mix three primary colors (red, green and blue) in order to obtain a desired color
Sorting: Transport cases from the entry bay to the elevators, sorting them by height.
Features:
Real time physics that closely emulates what happens in real life
3D real time sound
Friendly user interface
Easy and fast to setup
PLC Siemens of the Simatic
3D realistic graphics
Total interactivity with the systems.
All three nozzles have axial static pressure tappings allowing the approach, throat and divergent section pressures to be measured. The variation of pressure ratio and mass flow may be investigated for all three nozzles.
Two convergent-divergent nozzles of with the same throat diameter but different discharge area and a single convergent nozzle having the same diameter are supplied and fit in the common test section.
The lever arm type machine has been specifically designed for long-time Creep and Stress Rupture test applications that involve maintaining constant loads for extended periods of time.
Through the mechanical advantage of the lever arm loading system, constant loads may be maintained with a high degree of accuracy for long durations, using dead weights, without the continuous operation and dependency of a mechanically powered drive.
Remote communication control function saves your operators invigilation during testing process; alarm message can be transmitted to your mobile phone to inform you test situation by equipping with special dial number device.
This model may be configured for either room temperature or elevated temperature operation. A variety of temperature rated test fixtures and extension measurement device for the measurement of elongation on creep test applications are also available. The lever arm Creep and Stress Rupture machines are an economical alternative to traditional electro-mechanical or hydraulically loading universal testing machines which have higher initial purchase prices and greater long term operating costs.
Numerous high temperature pull rods, specimen holders, furnace systems and extensometers available for creep and stress Relaxation applications. Many of which are also adaptable to hot tensile testing applications on universal testing machines.
Comparing a framed structure with a column-based structure, the framed structure has better stiffness that is over 2.5 times greater than the column-based structure.
Pre-installed with reaction frame, provides more convenience for the load transducer to calibrate.
Real-time drawing of curves of remaining load with time, or temperature with time.
Closed test space design reduces the temperature shift resulted from the air flow at the air-conditioner vent, improves the temperature uniformity and stability in the test space.
Splitting the sampling stage into four sub-stages and applies different sampling cycles in consideration of the logarithm characteristic of time, improving the reliability of data greatly.
Algorithm to predict specimens stress relaxation performance after 1000 hours (or any specified value in hours), with the option of single or double logarithm. Capable of predicting with standard specimen data or real-time collected data (Suggested). Integrated with an extensive specimen library to improve the precision and reliability of testing results.
Support for 100-hour tests. Test time can be assigned at will. E.g. 24-hour test.
Experimental Ability:
Single or multi-cylinder engines
Naturally aspirated or supercharged engines
Measure the air flow of the engine, hose, or leads
Air Compressors
Research and development.
Critical condition of Struts Apparatus apparatus comprises a sheet metal frame which supports four slender spring steel struts having loading platforms at their top ends.
Critical condition of Struts Apparatus apparatus shows how the buckling mechanism occurs, and the influence of the end restraint. A piece of material in compression is called a strut. If it is short and stubby it will fail by compressive stress, but if it is slender the failure mode is that of buckling. The load at which the strut buckles depends on the way in which the ends are restrained. Built-in ends resist buckling more than ends which are free to move.
Experimental Capablities:
To compare the result with theoretical predictions, such as Euler's formula.
To observe the behaviour of four struts of the same length but with different end constraints when subjected to buckling loads.
The Structural Engineering 1 Learning System includes the Structural Testing Systems consisting of a workstation, bridge component sets, a test fixture set, indicator package, bridge designer software, supplemental CD, and interactive multimedia student curriculum. Civil engineers are responsible for creating structures such as skyscrapers, bridges, tunnels, dams, mass transit systems, water treatment facilities, and many more structures that we use every day for living, transportation, and industry. Structural Engineering 1 Learning System, introduces learners to the field of civil engineering. Learners will learn the fundamentals of structural analysis as well as bridge design and construction. These components are used to teach topics such as civil engineering careers, structural stability, force vectors, and bridge design.
Features:
Modular Structural Members
Structural Design Software
Interactive Multimedia.
Adjustable Overshot Sluice Gate complete with user instruction sheet.
Adjustable Undershot Sluice Gate complete with user instruction sheet.
Float Operated Tilting Gate complete with user instructions and experimental manual.
Float Operated Radial Gate complete with user instruction sheet.
Floating weir gate complete with user instruction sheet.
The frame has specially designed slots and self-positioning nuts that hold the Structures experiments and instruments. This fixing system is quick and easy to use. It allows students to change, position and secure each experiment.
A lightweight yet strong bench-mounting frame that holds interchangeable experiment modules and instrumentation from the AII Structures Tester range.
Adjustable feet support the frame to allow students to level the apparatus before use.
Supplied in kit form with instructions for use and a text book.
Features:
Automatically retrieves test data and inspects the stress relaxation performance of the specimen. (e.g. stress relaxation rate, relaxed stress, relaxation rate, etc.)
Splitting the sampling stage into four sub-stages and applies different sampling cycles in consideration of the logarithm characteristic of time, improving the reliability of data greatly.
Support for 100-hour tests. Test time can be assigned at will. E.g. 24-hour test.
Algorithm to predict specimen stress relaxation performance after 1000 hours (or any specified value in hours), with the option of single or double logarithm.
Comparing a framed structure with a column-based structure, the framed structure has better stiffness that is over 2.5 times greater than the column-based structure.
Closed test space design reduces the temperature shift resulted from the air flow at the air-conditioner vent, improves the temperature uniformity and stability in the test space.
Capable of predicting with standard specimen data or real-time collected data (Suggested). Integrated with an extensive specimen library to improve the precision and reliability of testing results.
Real-time drawing of curves of remaining load with time, or temperature with time.
Closed loop control of channels such as load, displacement, deformation, etc. Smooth switching in between.
As many as 20 layers of sensor linear compensation, elevates the precision of the instruments to the next level.
Pre-installed with reaction frame, provides more convenience for the load transducer to calibrate.
Features:
Automatic requesting for testing result data, also capable of launching an advanced analysis to inspect the data.
As many as 20 layers of sensor linear compensation, elevates the precision of the instruments to the next level.
Domestically pioneered open-testing-method settings. Engineers may set up testing projects then operators may employ the projects for testing, greatly reduced the difficulty of the operations and the requirement in the skills and trainings of the operator.
The machine Supports more than 20 days of continuous testing.
Four specimen can be tensile test at one time.
Dynamic display of load, displacement, deformation and real-time testing curve on the screen.
Closed loop control of channels such as load, displacement, deformation, etc. Smooth switching in between.
Event data can be saved, test can continue to be interrupted when the power supply test.
Domestically pioneered highly efficient three-level operation model of testing data processing. Supports open testing data processing, appending custom testing data items and re-inspection of processed testing data.
Domestically pioneered process-oriented design of testing control. Provides users with intuitive testing control procedures and a wide range of instruction types. Also supports dynamic instruction parameter assignment.
Characteristic testing data can be marked on testing graphs.
Capable of statistical operations on testing data (average, standard deviation, coefficient of variance).
Open testing report, support custom testing template, automatic generation of testing report, which can be printed, previewed or saved as files.
Integrated with software limit protection, hardware travel limit protection and full scale overload protection.
Support saving, instant retrieving and inspection of testing results.
Capable of re-analyzing test data and curves, and partial zooming of testing curves at will.
The mechanical components collaborate with the pioneered modular Test Live computer testing software to ensure the stability, precision and reliability of the whole system. This product is born with a refined structure that enables more steady loads and precise controls. It adopts the leading high-performance Controller, which is usually equipped on high-end material testing machines.
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The pressure through the nozzle can be controlled by a ball valve located on the discharge side of the nozzle. The Inlet, Throat and Outlet pressures are displayed on a pressure gauge via a three-way selector switch. Cavitation demonstration apparatus is a bench top unit designed for use on Hydraulics Bench. It consists of a tube through which water can be pumped by the hydraulic bench. The apparatus comprises of a clear acrylic nozzle mounted on a support plate. The throat pressure can be varied in either of two ways. The first way is to vary the discharge. Reduction of discharge causes a corresponding reduction of the pressure drop as the flow accelerates into the throat because the velocities are reduced, so that the pressure in the throat increases and cavitation ceases. The tube has an initial diameter of 25mm. It then has a linear contraction to a throat diameter of 5mm. This is followed by a 10mm length of parallel-sided tube, after which it flows through a linear diffuser until the diameter is back to 25mm. The contraction ratio (measured in terms of cross-section area) is therefore 25:1. The second way is to throttle the flow out of the apparatus using the ball valve. From a situation where there is no cavitation, increasing the discharge increases the pressure drop as the flow accelerates into the throat because the velocities are increased.
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The unit consists of a small multi stage air compressor with a motor on a steel base, inlet and outlet ducts, sensors and software. Speed control is by a variac. Multi Stage Centrifugal Demonstration Unit is a bench top unit for studying the multi stage centrifugal air compressor characteristics with data analysis by computer.
Experiments:
Effect of speed on compressor performance.
Flow rate vs pressure.
Compressor input, output, and overall efficiency.
The unit is designed for blow or suction induced flow and can be assembled for operation in either the upward or downward mode, whichever is most convenient. The Aeroweb honeycomb matrix is suspended within a cylindrical, aluminum housing with the skirt of the matrix immersed in an annular oil reservoir in the base which serves both as an air seal and a viscous damper. A set of weights is provided with the instrument to facilitate static calibration of the strain gauge with an accuracy of 2%. The matrix is mounted on an axle in the frame and supported by precision ball bearings while the torque arm connected to the axle acts on a Wheatstone Bridge strain gauge transducer. Cussons Display Unit, used in conjunction with the swirl meter, is a mains operated instrument complete with power supplies, which converts the strain gauge measurement into a four element, LED digital readout.
Application:
In automotive and truck size engines for instance, a pressure drop of 254 mm water gauge is normally used. The illustration shows a typical test rig layout arranged for downward air flow, in which the clients manometer registers a constant pressure drop across the model which must always be high enough to ensure fully turbulent flow in order that the results can be applied to his own particular engine configuration.
A heat exchanger coil is built into the reservoir such that the water temperature within the reservoir can be controlled by allowing cooler mains water to flow through the heat exchanger coil. This experiment includes a shallow heat collection tray approximately 1.2 m by 1m, the base of which is fitted with removable heat capture material. Water is pumped through the heat transfer plate, on the tray, and is returned to an insulated reservoir mounted on the base of the unit The water is continuously re-circulated through the transfer plate so that the temperature in the reservoir gradually builds up. An inclinometer to indicate the degree of tilt is available as an optional extra. This material assists in the heat transfer process. The heat capture and transfer plate is itself covered by a sheet of flat plate glass, which captures the radiation and reflects light back to the heat.
Features:
Temperature measurement at eight points
Removable solar radiation mat
Extendable tray angles and hence flow rates
USB data logger and PC
Ability to tilt base continuously by +10º and -10º to the horizontal
Horizontal rotation of basin through 180º
Variable angle of incidence of sunlight on the absorbing pad
Non corrosive materials used in all critical areas
Variable thermal insulation material mounted horizontally on a rigid steel stand.
