Features

– This unit is for studying tray drying
– The unit consists of a rectangular duct
– Air is drawn into the duct by an axial flow fan at the front end of the duct
– Fan speed is adjustable
– A bank of electric heaters behind the fan raises the air temperature

Typical Experiments

– Tray drier drying curves
– Effect of particle size, air velocity, air temperature

Specifications

Features

This unit demonstrates the operation of a normal household refrigerator.

The unit clearly shows individual components.

The unit provides a clear display of individual components.

Sight glasses are available to indicate the state of the refrigerant.

Typical Experiments

Study of layout and process diagram

Observation of pressures and temperatures

Using a p-h state diagram

Specifications

Features

– This unit is used for the demonstration fo split type room air conditioning operation
– Individual components are clearly shown
– Temperatures and pressures at various points are indicated
– Sight glasses are provided to indicate the state of the refrigerant

Typical Experiments

– Study of layout and process diagram
– Observation of pressures and temperatures
– Remote control operation

Specifications

Optional Accessories

Features

– This benchtop unit is for testing of thermal conductivity of non-metallic materials using guarded hot plate per ISO8302 and ASTM C-177-04
– The equipment consists of a central heater with hot plates, a guarded ring with heater and hot plates, and two water-cooled cold plates
– Two specimens are inserted between the hot plates and cold plates
– The assembly is encased in a test cabinet with insulation
– The cold plates are clamped together to provide a uniform pressure
– Temperature sensors and indicators are provided for hot plates, cold plates, cooling water, and differential temperature between the hot plates and the guard ring plates
-Power input is measured by a voltmeter and an ammeter

Specifications

Features

– The channel is designed for studying the hydraulic flow phenomena

Under Frame

– The channel bed is an invert which rests on an H-beam under frame
– The invert has screws at interval for vertical and side adjustment of the invert to ensure that the channel bed is strictly straight an level through out the full length
– The length of the H-beam is about 6m
– This simplifies site installation as there is only one joint and is easier to ensure alignment of the channel
– The H-beam is supported by a fulcrum at one end and adjustable height support at the other end

Slope Adjustment

– The adjustable height supports use twin-screw
– Each screw is driven by a worm and wheel gearbox with a common motor
– A slope scale is provided at one end of the flume

Side Walls
– For safety reasons, the side walls are made of tempered glass or clear acrylic
– The walls are supported at the interval by brackets with a screw adjustment to ensure that the channel wall is straight and vertical
– Further, a set of small adjusting screws along the edge of each glass plate for fine adjustment is also provided to ensure that the walls are vertical, parallel and straight through out the channel length

Instrument Carriage
– Top rails made of stainless steel tubes are attached to the top angle on each wall of the channel
– Screws supporting the rails can be adjusted to ensure the uniform height and in a straight line
– A scale graduated in mm is attached along the full length of one top angle of the walls
– The instrument carriage is motorized
– Power out is available on the carriage

Head Tank
– The head tank is made of stainless steel and its sides and bottom are curved to ensure smooth flow into the channel
– Perforated plates are also provided in the head tank to further smoothen the flow

Head Tank
– The storage tank has adequate water to fill the full channel
– The standard storage tank is a stainless steel tank with a mobile ladder for model installation

Circulating Pump
– The pump seal is mechanical
– A geared butterfly valve is provided for accurate flow control

Flow Measurement
– A paddle wheel type flow sensor with two indicators, front and rear of the channel, is used for easy observation on flow adjustment
– A water meter is available as an option and may be used as a reference for flow indicator setting later

Model and Accessories

– All accessories and models have side seals to ensure no water seepage or leakage through the side of the models A wide variety of models and accessories are available as an option

Specifications

Features

– The apparatus is used for studying the relationship between centrifugal force, rotating mass and its distance from the axis of rotation
– Each factor can be investigated separately
– The apparatus consists of a drive motor, a frame for rotating arm, masses, and instruments for measurement of centrifugal force and speed
– The frame is driven by a motor via a belt
– The centrifugal force from a known mass on the arm is transmitted via a lever to a load cell located above the frame
– A transparent guard is provided for safety

Specifications

Features

Researchers utilize the apparatus to study three types of heat exchangers: concentric tube, shell and tube, and plate.

Researchers conduct these experiments under either parallel or counterflow conditions, depending on the specific requirements of the study.

The unit consists of the three heat exchangers, a hot water tank with a transfer pump, instruments for monitoring and control

Switching between parallel and counterflow configurations, or between different types of heat exchangers, is easy to accomplish by rearranging flexible hoses equipped with quick couplings.

Typical Experiments

Study of heat transfer for the concentric tube, shell and tube or plate heat exchanger

Study of heat transfer under parallel or counter flow at various flow rates and temperature differences

Heat transfer coefficient at various rates of flow and temperature difference

Specifications

Features

– The apparatus is used for studying heat transfer through a shell and tube heat exchanger under parallel or counter flow conditions
– The unit consists of a shell and tube heat exchanger, hot water tank with a transfer pump, instruments for monitoring and control
– Parallel and counter flow is selected by cold water control valves

Typical Experiments

– Study of heat transfer under parallel and counter flow at various rates of flow and temperature differences
– Heat transfer coefficient at various rates of flow and temperature differences

Specifications

Features

– This is a benchtop unit for a small low cost miniature power plant designed for educational purpose
– A small gas-fired boiler supplies steam to a single cylinder, double-acting reciprocating engine
– A small DC generator is connected to the engine by a belt and an electrical load is applied using small light bulbs
– Exhaust from the steam engine is condensed in a water-cooled condenser
– Condensate is collected for weight measurement and is returned to feed water tank
– A manual feed pump supplies feed water to the boiler
– Instruments are provided for monitoring and controlling the plant operation and performance as well as for safety

Typical Experiments

– Fuel consumption
– Efficiencies for boiler, engine, and overall plan
– Condenser heat transfer coefficient
– Heat balance and energy utilization

Specifications

Optional Accessories

Features

– This is a benchtop apparatus for determination of sliding friction coefficient using an oscillating bar
– A round bar is placed on two counter turning pulleys driven by a variable speed motor
– The distance between the two pulleys is adjustable

Specifications

Features

215MM Scotch Yoke:
This mechanism demonstrates relative motion between a crank rotation in degrees and a yoke translation in millimeters

216MM Oldham Coupling:
This mechanism demonstrates relative angular motion in degrees between two shafts with parallel but displaced axes

218MM Constant Velocity Joint
This mechanism demonstrates relative angular motion in degrees between two intersecting shafts of an automobile.
The angle between input and output shafts is adjustable and indicated on an angular scale.

220MM Cam and Follower:
This mechanism demonstrates relative motion between a rotating eccentric member (cam) in degrees and a sliding member (follower) translation in millimeters such as found in internal combustion engine

312MM Torsional Oscillations Apparatus:
This mechanism demonstrates torsional oscillations of single or multi-rotor and/or geared systems with low natural frequencies

Specifications

Features

– Each mechanism below is designed with appropriate proportions for studying the simple relative mortion between two or more links of the mechanism
– Main parts are powder-coated steel except for gears or one member of the sliding or rotating pairs
– For accurate relative motion, ball bearings are used for most rotating pairs
– Desired motion can easily be observed from graduated scale, angular motion in degrees and linear motion in millimeters
– The mechanism is supplied with an instruction manual showing a skeleton outline, relative motion and test procedures for each mechanism
– The design tests relative motion data and sample graphs of relative motion, velocity and acceleration by graphic differentiation are also provided

Specifications

Features

– The equipment is a self-contained unit for the study of basic properties of fluids in diastatic conditions
– Water is provided in a storage tank of the bench with a pump to deliver water to a clear acrylic cylinder which discharges to a sink and storage tank for the experiments
– Other equipment is placed on the bench panel and can also be stored in the bench cupboard
– The unit is on wheels

Typical tests

– Measurements of level, pressure, temperature, specific gravity, viscosity, humidity
– Demonstration of Pascal’s law, Archimedes principles, capillary effect

Specifications

Features

– This is a basic unit which provides water supply and gravimetric measurement services for use in conjunction with other accessories for specific experiments
– The benchtop is flat with a raises edge to hold spilled water and has a water outlet connection, water discharge tube as well as 4 drain holes
– A measuring tank hangs on a cantilever beam on knife edges
– An adjustable tare weight and known weights are provided
– When the water in the measuring tank exceeds the set weight, the beam will tilt
– Weight is then removed and the tank is automatically drained to the main storage tank
– The benchtop and storage tank are made from fiberglass
– The bench discharge has a quick coupling female for connection to tese apparatus
– The unit is locable wheels

Specifications

Optional Accessories

Features

– This is a basic unit which provides water supply and volumetric measurement services for use in conjunction with accessories for specific experiments
– The benchtop is molded into a measuring tank and a channel
– Water is admitted at one end of the channel via a quick coupling for connection to an accessory which is mounted acorss and discharges water into the channel
– The open channel discharges water into the measuring tank which inturn discharges water to ma main storage tank and can be drained by a bottom valve
– Both benchtop and storage tanks are made of fiberglass
– The measuring tank is stepped to enable accurate measurement of both high and low flow rates
– A level gauge at the side of the bench is provided for measurement of volume in the measuring tank
– A bull’s eye level is provided to indicate the bench level

Specifications

Optional Accessories

Features

– It is a portable device determined for the measurements of the groundwater level in the bores.
– The device comprises the sensor, cable roll, cable length measuring unit and the basement.
– The electronics are located in the center of the cable roll.
– For measuring the device is supported on the bore or the supportive stand nearby the bore.
– The device may be held also in hand. After the counter of the table
– After the counter of cable length measuring unit is cleared by pushing the lever at the right side of the counter the cable with the sensor is led into the bore.
– At the same time, the cable must go through the cable length measuring unit.
– If the sensor reaches the water the electrical signal will switch in the light and the sound signals.
– The reading of the counter corresponds to the level of the groundwater in the bore.
– The cable length measuring unit has two counting modes: adding pulling the cable down out of the cable roll and subtracting pulling it back in reversed direction.
– This makes measuring especially comfortable.
– The cable roll is equipped with the handle to facilitate the cable rewinding.
– For transport, the Ground Water Level Indicator is placed into the bag.

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Features

– LED Display
– High precision
– Compact size
– RoHS vs. the plan completion

Specifications

Features

– High precision
– LED display
– RoHS vs. the plan completion
– Software package attachment
– The traceability relative document attachment

Specifications

Features

– LED Display
– High precision
– Stable operation among long-range
– 2-way analog output
– RS232C Interface
– 500~1300 hPa wide range

Specifications

Features

– High precision
– LED Display
– Compact size

Specifications

Features

– High precision
– Compact size
– LED display
– RoHS vs. the plan completion

Specifications

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Features

– This product tests the disintegration time of suppositories as per the latest EP
– 3 independent test stations perform tests simultaneously
– All test cylinders turn 180 degrees automatically every 10 minutes
– Test cylinders turning interval can be programmed from 1 minute to 99 minutes
– Removal thermostat can be programmed to maintain the temperature between 30 degree to 50 degree (+/- 0.5 degree) in the bath
– Built in slow water circulation in 12 litres clear Perspex water bath as per EP requirement

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