Theoretical topics:
Ideas of logic: logic connectives and fundamental theorems of the Boolean algebra
Minimization techniques of logic functions through theorem applications and Karnaugh maps
Logic gates and truth tables
Fundamental logic operators
Binary system
Logic functions
Algebraic description of the logic networks and the truth tables
Theorems of the Boolean algebra
NOT, AND, OR logic operators
Operation of the AND and OR operators as control devices in the transfer of logic signals
Operation of the NAND and NOR operators as control devices in the transfer of logic signals and carrying out of logic functions
Canonical forms of a function
Graphic representation of functions
AND OR NOT function
NAND and NOR logic operators
Generalities and definition of flip flop
JK flip flop
T and D flip flops
SR flip flop, with NOR and NAND operators
Interfacing with the bus
Fault simulation
Fundamental logic families
Interfacing of the logic families, outputs and types of TTL circuits
The open collector gates
Characteristic parameters of the logic gates
Circuit blocks:
Open Collector
SET RESET Flip Flop
JK Flip Flop
AND NAND
OR NOR
Built in clock circuit
Manual input signal control
XOR XNOR
Data Bus Control In addition, the Circuit Board contains:
+5 V regulated supply.
Ball valve in connecting pipe between measuring tank and expansion vessel
Pressure controller for air with overpressure protection
Trainer on heating systems and plumbing
Small compressor for pressure generation
Adjustable safety valve
Measuring tank with scale
Expansion vessel
Manometer
Cutaway model of an expansion vessel.
The board allows performing the most important experiments in industrial electrical plants. All the components are identified through a clear synoptic diagram showing their type and symbol. The components are connected to the board front panel through 2 mm terminals for what concerns the low voltage controls and through 4 mm safety terminals for the connections to the mains. The board includes:
1 bipolar switch, 1 - 0 - 2
1 thermal relay
1 power supply, 24 V
2 timers
5 signaling lamps
5 push-buttons
5 remotely controlled switches with relevant auxiliary contacts.
The board is complete with a kit of connecting leads. On the back side of the board there are switches to allow for the introduction of faults by the teacher. Power supply: single-phase from mains.
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Applicable for molecular/PCR & sterile microbiological works. Various clinical laboratory uses including Centrifugation and short-term sample storage.
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Material: Absorbent gauze, 100% cotton
Gauze bandage with selvedge.
Components: Bleached, purified textile, plain weave
Non elastic, non adhesive, non detectable X-ray.
Single use.
Non-sterile.
Size selected: Bandage, gauze roll.
Length: 4 - 5m.
Width: 7.5 - 8cm.
Thread count:
Weft: 8 threads/cm
Warp: 12 threads/cm
Weight: +/- 27.5g/m2.
Products as a supporting rod suspension spring type, mainly composed of a rack, a spring steel sheet, coil spring, connecting rod, interlining, the source of vibration. The frequencies of spring steel sheet can be in 2.5 ~ 3.3Hz within the scope of adjustment. Frame consists of a left, a right bracket and rubber feet, is made of engineering plastic, the bottom is about 240mm, 25mm wide, frame with a total height of about 380 mm; spring steel sheet thickness of 0.8mm, 300 mm long and 3 mm wide, by changing the oscillator position.
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It consists of wheel axle combined with large, medium and small wheel disc, support rod, support and wire. It is used to explore wheel axle how to reach balanced state, wheel axle how to save effort and why the axle is deformed lever.
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It is a tool specialized to punch holes on nonmetal parts: cork wood and rubber.
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For 2020we and 2020wi Turbidity Meters
For Use With (Application): Compact handheld water analysis instrument with microprocessor driven optical system and unique optics configuration
Type: Test Tube
Includes: Screw-on cap
Material: Glass
Provides excellent visibility while protecting the face and neck from accidental splashes
Made from 0.25 in. thick (0.6cm) clear acrylic for durability
Can be used while sitting or standing.
Nonskid feet for added stability
Not suitable for radiation protection.
Lower end of shield is just 12 in.W (30.5cm), so it's easy to pipet or to perform other functions behind the shield.
Absolute Pressure Sensor
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The programme of exercises enables familiarisation with six different drive implementation and analysis methods: understanding the brief and the drawing, assembly, setting, adjusting, testing, and making calculations. This laboratory system is used to introduce the basics of gearing and the correct method of assembling drive elements. A robust tubular steel frame with a square profile and bearing elements provide the accuracy for the setting of precise gearing. All the system components are kept ready to hand and well protected in a housing system. Offers three assembly kits in this product series, each focussing on different aspects. Each kit is used entirely independently of the other kits within the series. The flexibility of the set-up and the modularity of the components simplifies experimentation and implementation of the students' own ideas.
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Compact Series And Parallel Pump Test Set Multi Speed is a self contained bench top unit for studying the series and parallel pump characteristics at three different speeds. By manipulating flow control valves, each pump can be operated individually or both pumps connected in series or parallel. The unit consists of two centrifugal pumps with multi speed motors and a storage tank on a steel base, and measuring instruments.
Experiments:
Flow rate vs head at a fixed speed for two pumps connected in series or parallel.
Flow rate vs head at various speeds for individual pump.
The equipment uses normal clean dry air, as it behaves as an ideal gas over the range of pressures used in this equipment. A thermocouple measures the temperature of the heater surface for the controller. Two thermocouples measure the temperature of the air in the vessel. A pressure transducer measures the pressure of the heated air in the vessel. A hand-operated valve at the bottom of the vessel allows students to normalize the air in the vessel to ambient conditions. A digital display shows the absolute pressure, both temperatures and their average value. The bench-mounting equipment includes a back plate that holds a low-pressure vessel. The vessel holds a fixed volume of air surrounded by an insulated heater, controlled by an electronic temperature controller. They then record the changes in pressure as the temperature increases and plot the results to prove Gay-Lussacs Law. Students set the controller for the range of temperatures needed during the experiment.
Experiments:
The principle of a vapour pressure thermometer.
Demonstrates change of pressure of a fixed volume of gas during heating.
Proving Gay-Lussacs Law by experiment.
A reversible flat plate located inside a rectangular duct. The duct has removable profile plates that can establish an increasing or decreasing pressure gradient in the direction of flow. The plate has one smooth and one artificially roughened face.
This may be moved toward the plate in measured intervals using a micrometer adjustment. The growth of the boundary layer along the plate may be investigated.
To investigate the growth of the boundary layer profile in a variety of conditions along the plate a micro- tube is provided.
The pump has a very simple and robust set-up and never the less has a very high capacity. The pressure and suction valve and the oil duct are cut open. If the rotor is turned, the enlargement and reduction of the working area can be seen particularly well, as can the contact of the slide shoes in each position of the vane. In order tosupply a vacuum for brake boosters, vacuum pumps are used in both diesel and,increasingly, in Otto engines.
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The electric vehicle air conditioning system trainer, based on the original electric vehicle air conditioning system, fully demonstrates the structure and working process of electric vehicle air conditioning system.
Features:
Trainer panel is installed with detection terminal, can directly detect the electrical signal of each circuit element of air-conditioning system on panel, such as resistance, voltage, current, frequency signal.
Trainer panels is installed with high and low pressure gauge, air inlet and outlet temperature gauge, to real-time display parameters of air conditioning pipeline pressure, inlet and outlet temperature.
Including training platform and electric vehicle air conditioning system.
Control panel with electric vehicle air conditioning circuit schematic, is mounted on detection plug whose circuit connects each air conditioning component.
Trainer panel uses 4mm advanced thick aluminum plate which owns functions of corrosion resistance, impact resistance, pollution resistance, fire prevention, moisture proof because the surface is treated with spray paint by special technology.
Trainer base adopts steel structure welding, with spray paint and self-locking casters.
Students can practice training of filling refrigerant and detecting leakage etc.
This rugged, compact and por table machine with vertical screw feed, is used for pavement core sampling where it is not easy to get electrical power.
Petrol engine 5 HP power, 4-cycle Briggs & Stratton model.
Features:
Specially designed for increased-production, precision Performance and Deep Cut.
Fully Hand Scrapped
Naturally Seasoned Casting.
Selected special alloy steel used for screws and other steel parts.
Heavily cross ribbed, Robust and sturdy construction ensures free working.
Quick Return Motion.
