Screw-locking devices are presented in the as-fitted position on an aluminium panel. A transparent multi-compartment storage tray holds large numbers of screw-locking devices. This instructional kit is used for demonstration and information purposes. The well-structured instructional material enhances the informational value of the kit. No provision is made for conducting exercises or experiments. The kit is clearly laid out on a plastic tray.
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Soft and comfortable multilayer SMS material delivers high filtration efficiency while maintaining a low particle count.
Fluid repellent material that delivers high bacterial filtration rates with low particle counts reducing your contamination concerns
Pants have a spandex waist, one rear pocket and are reinforced along the inner thigh area and safety stitched seams.
Product Type: Cut-resistant Sleeve
Length (English): 22 in.
Length (Metric): 55.88 cm.
Includes: Thumb hole and elastic around top.
It provides extra experiments andstudies into power generation. The motor and generator set consists of two coupled machines mounted in the base of the control console. A self-contained motor and generator set that operates as asecond generator for Power System Trainer. The relays show students how actual generatorsare protected and the different ways that they are protected. Students can setthe relays from their control panels. Manual or differenttypes of automatic excitation control the output of the generator. A vector drive controls the speed of the motor. Digital meters show the conditions ofthe prime mover and generator. The circuit breakers also include hand-operated switches,and lamps. The lamps show whether the circuit-breaker is open or closed. The relays also include sockets to linkthem to a suitable computer for moredetailed programming, if needed. The relays operate the circuit breakers aroundthe second generator.
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Second Grade Natural Experiment Box
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It allows analyzing the behaviour of an element with proportional transfer function able to oscillate, with a delay of the second order, both in the time domain and in the frequency domain.
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Evaporator selectable via solenoid valves
Adjustable electric heater in the refrigeration chambers as cooling load
Pressure measurement at all relevant points in the system
2 refrigeration chambers: refrigeration and freezing stage
Water-cooled coaxial condenser.
Secondary Loss Of Load equipment is suitable for the study of losses and it includes straight sections of piping for the study of primary loss that could occur in the system. All pressure connections have double sealed quick couplings; the system includes also a differential water manometer and a digital differential pressure gauge for measuring the resulting pressure. The equipment includes also other elements such as elbows of different diameters 90 and 45, tees, widening, narrowing, various types of valves (as ball, gate, membrane, backstop) with pressure taps upstream and downstream arranged in order to determine loss load produced with different flow rates.
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Through the use of these trainers, students may be exposed to the function of the stabilizer, shock absorbers, steering linkages, suspension systems, areas of alignment and adjustment, operation of brakes and more. These are complete front end units of vehicle that are ideal for demonstrating the operation and interaction of steering and suspension mechanisms.
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Each unit consists of one complete brake which has been carefully sectioned in order to expose all key internal parts and is mounted on a wooden base plate. The major types of hydraulic brakes are available as sectioned models, which are very useful in the classroom for demonstrating the different types of brake construction and operation.
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Security Lights Photocells Sensor
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The channel is of a rectangular cross-section supported by steel frame. The channel sides are made of clear acrylic with tilting controlled by a manual screw jack. Sediment Flow Channel is a self contained bench top open channel for studying bed forms with change in flow and slope as well as flow phenomena without sediment. A stainless steel head tank with a stilling baffle provides a smooth flow. A fine strainer is provided in the storage tank to trap the sand sediment. The water is discharged from the channel via a built in rectangular weir to the storage tank.
Experiments:
Flow over fixed gravel bed.
Fixed smooth bed flow.
Local scour.
Mechanics of sediment transport.
Bed form hysteresis.
Flow over mobile sand bed.
Flow structures.
Depositionary features and fancies.
Computational work.
The channel sides are transparent in order that bed profile changes can be readily observed, and a section of one side is provided with graphical grid markings to permit quantitative assessments to be made of bedform dynamics. The unit consists of an inclinable channel mounted on a base plate, together with a discharge tank and recirculating pump. To commence a demonstration, sand is placed evenly along the channel bed, between the inlet tank and the overfill discharge weir. The channel slope is adjusted by means of a fine screw jack to which is attached an accurate slope indicator. Water is circulated around the system at one of the three selectable flow rates.
Experimental Capability:
Mechanics of sediment transport
Depositionary features and facies
Fixed, smooth bed flow
Flow over a fixed, gravel bed
Flow over a mobile sand-bed
Bed form hysteresis
Computational work
Local scour
Flow structures
The equipment is self-contained and may be bench-mounted in either the classroom or laboratory by virtue of its portability.
A model undershot weir and bridge pier are included for local erosion demonstrations.
A transparent, inclinable flow channel through which water can be re-circulated by a pump over a mobile bed to demonstrate the whole range of bedforms from incipient particle movement to bed wash-out.
The working section of the channel is 1.55m long, 78mm wide and 110mm deep.
A water level gauge is supplied to calibrate the overshot weir.
Three different discharge rates can be selected (and measured) within the range 0.2 to 0.6 litres/sec.
The channel slope can be adjusted within the range 0-10%.
Description:
The unit consists of an inclinable channel mounted on a frame, together with a discharge tank and recirculating pump. The channel slope is adjusted by means of a fine screw jack to which an accurate slope indicator is attached. To commence a demonstration, sand is placed evenly along the channel bed, between the inlet tank and the overfall discharge weir. The channel sides are transparent in order that bed profile changes can be observed, and a section of one side is provided with graphical grid markings to permit quantitative assessments to be made of bedform dynamics. Water is circulated around the system at one of the three selectable flow rates.
Experimental section with grooves for plate weirs to realize different flow conditions
Measurement of profiles along the bottom with moveable instrument carrier and point gauge
Inlet element with plate weir to protect against sediment flowing back
Open-channel bed-load transport
Experimental flume with experimental section, inlet element, outlet element, closed water circuit, 1 set of models
Sediment trap with filter element for sand
Models supplied 3 bridge piers, 2 islands, set of deflection plates (for your own model ideas)
Experimental section, inlet and outlet element made of stainless steel
Closed water circuit with water tank with sediment trap, pump, and electromagnetic flow meter.
This channel is mounted on to the manual jacking system, which provides positive step adjustment, via a hand wheel, withslope 0 to 10.The unit is supplied with manuals that describe each component of the system, installation and utilization procedures andgive many exercises. The channel sides are transparent in order that bed profile changes can be readily observed, and a section of one side is provided with graphical grid. The Sediment Transport Visualization Channel is designed to perform most of the experiments anddemonstrations usually undertaken in much larger laboratory flumes, but at much lower cost and without the need fortechnician back-up. The channel slope is adjusted by means of a screw jack to which isattached a slope indicator. Sand is placed along the channel bed, between the inlet tank and the over fall discharge weir. Water is circulated around the system at a selected flow rate.
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The simplest type of sedimentation is the settling of a dilute suspension of particles which have little or no tendency to flocculate. In these circumstances, the prediction of clarification rates and their scale-up to plant design is relatively straightforward.
Sedimentation is a process used widely in the clarification of water and waste water. Particles settle from suspension in different ways, depending on the concentration of the suspension and the characteristics of the particles.
Information from batch tests for such systems forms a vital part of the search for the optimum design and operation of industrial sedimentation tanks. The Sedimentation Studies Apparatus allows demonstration of these different characteristics for any chosen sediment/water system. For higher concentrations where inter-particle effects become significant and where agglomeration may take place, different regimes of settling rate occur, known as 'zone' settling A.
Five equal sized glass cylinders are mounted vertically on a backboard incorporating measuring scales. Solutions containing different amounts of suspension can be placed in the cylinders and the differences in sedimentation rate observed by measuring the changes in height of the various solid/liquid interfaces with respect to time. Each of the cylinders may be removed from the board for washing, filling and mixing of the solid particles.
The whole apparatus is bench-mounted and provided with back lighting. An accurate balance (not supplied) is required for weighing the solids.
The equipment includes the following accessories necessary for a self-contained facility: stop clock, three plastic beakers of 2 litre capacity, specific gravity bottle.
The Sedimentation Tank allows to study the hydraulic and efficiency characteristics of the sedimentation by means of a special rectangular section tank. The unit is fitted with an ink injecting device in order to visualize the flow lines obtained in the settling tank. The sludge, which is kept in suspension in the preparation tank by a stirrer, is sent to the sedimentation tank by a variable speed peristaltic pump together with a water flow rate adjusted through a manual valve. The group is supplied with manuals which describe all parts of the unit, the installation and utilization procedures, as well as many exercises with the relative results.
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