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Experimental Training Equipments-> Vacuum Tubes
 
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VACUUM DIODE VALVE CHARACTERISTICS & TESTING METHODS
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VACUUM DIODE VALVE CHARACTERISTICS & TESTING METHODS

Objective of this experiment:
This training board is a single PCB. To demonstrate how much current flows for one arbitrary value of applied voltage, to plot graph of voltage Ampere characteristics. The starting point for this technique is the static characteristics of the diode. (i.e.,) graph of current versus voltage. This is combined with a graphical construction called a load line, representing the applied voltage and the resistance in series with the diode. The combination provides information about the operation of vacuum diode in the particular circuit represented by the load line.

Built in regulated power supply: +(0-175)V/50mA; AC voltage 6.3V/1 A.
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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 TRIODE VALVE CHARACTERISTICS
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TRIODE VALVE CHARACTERISTICS

Objective of this experiment:

1. To study three electrical quantities.

Plate Voltage VP

Plate current lP
Grid voltage Vg To demonstrate if one quantity varies other will be affected.

2. To study three possible characteristics showing this inter dependence,

Between VP<& l<sub>P</sub> for constant value of Vg-static plate characteristics.
To study the dynamic characteristics using various load resistors.
Built in regulated power supply: -15V/300mA, +175 V DC/300mA, AC voltage 6.3V AC
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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TETRODE CHARACTERISTICS
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TETRODE CHARACTERISTICS

Objective of this experiment:
To draw the characteristics curve between plate voltage VP & plate current lP keeping grid voltage constant.

Built in regulated power supply: + (0-175V)/300mA; 15V/300mA, AC voltage 6.3 V AC/1A. Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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PENTODE CHARACTERISTICS
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PENTODE CHARACTERISTICS

Objective of this experiment:
To draw the characteristics curve of pentode. Adjust screen grid voltage to positive potential & control grid is kept at Negative potential. Vary the plate voltage & note the corresponding plate current and screen grid current. Plot the plate current against plate voltage.

Built in regulated power supply: + (0-175)V DC/300mA; 15V/300mA; AC voltage: 6.3 VAC/1A Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms


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THYRATRON TUBE CHARACTERISTICS
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THYRATRON TUBE CHARACTERISTICS

Objective of this experiment:
To measure the grid control characteristic of a thyratron. This experiment will provide an introduction to the operation of this device and will serve to emphasize the fundamental difference between the gas triodes and the vacuum triode,

Built in regulated power supply: + (0-175)V/300mA, -15V/300mA, AC voltage: 6.3V AC/1A


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DISTILLING TUBE
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DISTILLING TUBE (LSE)

Plain, total length is 200mm and outer dia. of tube is 15mm.

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DISTILLING TUBE
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DISTILLING TUBE (LSE)

With one Bulb. Total length is 250mm and outer dia. of tube 17mm and of Bulb is 40mm

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DISTILLING TUBE
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DISTILLING TUBE (LSE)

With two Bulbs. Total length is 300mm and outer dia. of tube 17mm and of Bulb is 40mm

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	FRACTIONAL DISTILLATION COLUMNS
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FRACTIONAL DISTILLATION COLUMNS (LSE)

Rod and disc pattern, Borosilicate glass, removable center rod with discs fitting inside a smooth bore tube with side arm. Number of disc 20 and overall length 480mm

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	DISTILLATION APPARATUS
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DISTILLATION APPARATUS (LSE)

Made of Borosilicate glass. Consisting of flask round bottom with B-24 socket, still head with B-24 and B-19 cone, condenser with B-19 socket and cone and receiver adapter with B-19 socket.

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	DISTILLATION APPARATUS
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DISTILLATION APPARATUS (LSE)

Quick-fit type, made of Borosilicate glass. Comprises of flask round bottom with B-24 socket, still head with B-24 and B-19 cone, condenser with B-19 socket and cone and receiver adapter with B-19 socket.

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	DISTILLATION APPARATUS
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DISTILLATION APPARATUS (LSE)

Vertical Type. Made of Borosilicate glass. Consisting Single stage of double wall condenser, with standard interchangeable ground joints. Double stage

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	OSTWALD VISCOMETER
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OSTWALD VISCOMETER (LSE)

The relationship between the intrinsic viscosity of a polymer solution and the relative molecular mass of the polymer allows this apparatus to be used for quantitative determination of relative molecular mass. Comprises glass U-tube with two bulbs, connected by a capillary tube approximately 120x1mm (length x internal dia.) Overall height 237mm approx.

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	VAPOUR DENSITY APPARATUS
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VAPOUR DENSITY APPARATUS (LSE)

Victor Meyer's pattern, for the vapor density determination of volatile liquids by measuring the volume of air displayed by a known mass of the substance when vaporized. Comprises 100ml bulb with a long vaporizing tube fitted with a side delivery tube incorporating a safety rod, designed to support a vapor density bottle and contents before introducing into the tube, by rotating the rod. An outlet jacket surrounds the vaporizing tube. Supplied with vapor density bottle.

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