SOLAR WATER HEATING SYSTEM.
Solar water heating (SWH) is the conversion of sunlight into heat for water heating using a solar thermal collector A sun-facing collector
heats a working fluid that passes into a storage system for later use. SWH are active (pumped) and passive (convection-driven).
CHARACTERISTICS OF ZENER DIODE
Inbuilt variable, overload & short circuit protected DC regulated power supply of 0-15 volt.
Voltmeter & ammeter are mounted on the front panel.
Four zener diodes.
Highly insulated front panel is used.
Trainer helps to demonstrate the working principle of zener diode.
Calculation of power consumed by the circuit.
Calculation of diode resistance in forward & reverse bias
Set of required number of patch cords.
Multi - colored sockets are used.
Housed in an elegant powder coated metal cabinet.
Strongly supported by a comprehensive instruction manual complete with theory and operating details.LED indication for supply ON to work on 220V AC Mains.
DESIGN PREPARE & OPERATE OF SEQUENCING CIRCUIT.
Sequencing Circuit of this circuit is the case of a production operation. The left cylinder should extend in order to accomplish the job of clamping a work piece with the help of a power vice jaw. The right cylinder extends to drive a spindle to drill a hole in the work piece. After the hole has been drilled, the right cylinder retracts first and then the left one. The sequence valve installed in the circuit ensures that theseoperations occur in a predefined fashion.
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PNEUMATIC CIRCUIT FOR SPEED CONTROL OF DOUBLE ACTING CYLINDERS.
Pneumatic Circuit for Speed Control of Double Acting Cylinders. Pneumatic cylinders can be directly controlled by actuation of final directional control valve as shown in fig. These valves can be controlled manually or electrically. This circuit can be used for small cylinders as well as cylinders which operates at low speeds where the flow rate requirements are less. When the directional control valve is actuated by push button, the valve switches over to the open position, communicating working source to the cylinder volume. This results in the forward motion of the piston. When the push button is released, the reset spring of the valve restores the valve to the initial position [closed]. The cylinder space is connected to exhaust port there by piston retracts either due tospring or supply pressure applied from the other port.
PNEUMATIC CIRCUIT FOR SPEED CONTROL OF PNEUMATIC MOTOR
The speed control of motor by using variable two flow control valves having built-in check valve and 4x3 DC valve having zero position or central hold position with lever L1 and L2. When lever L1 is operated, port P will be connected to port A of air motor and motor will startrotating in clockwise direction.
POWER TRANSMITTED BY ANY BELT DRIVE USING ANY ONE DYNAMOMETER.
Motor : Variable speed motor, 1HP, 1500 RPM.
Pulleys : Driving and driven pulleys of equal diameters (flat pulleys) Loading Arrangement : Brake drum along with spring balance and rope arrangement is provided to load the system.
Belts : Flat belts of fixed length of two different belt materials
Belt tightening arrangement : Bearing block is sliding and dead weight can be applied to set the initial tension in belt.
Speed Indicator : 2 Channel digital speed indicator with switch to change the channel.
The data acquisition system can be done by interfacing the set-up with computer using software.Software allows the user to have control on data logging, printing the stored data, preparing spread sheets in Excel etc.
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COD TEST ANALYZER
Temperature of Reaction 105 Deg C or 150 Deg C (221 Deg F or 302 Deg F)
Temperature Stability +-0.5 Deg C
Temperature Range -10 Deg C to 160 Deg C
Temperature Accuracy +-2 Deg C (@ 25 Deg C)
Capacity 25 vials (dia 16 x 100 mm), 1 receptacle for a stainless- steel reference thermometer
Warm Up Time 10 to 15 minutes, depending on selected temperature
Operating Mode Timed (0 to 180 minutes) or infinity modeEnvironment 5 to 50 Deg C (41 to 122 Deg F)