Description
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Digital Gauss Meter
Digital Gauss meter works on the principle of Hall Effect in semiconductor. When a semiconductor with current flowing in one direction is introduced perpendicular to a magnetic field a voltage is produced at right angles to the current path. The magnitude of this voltage is proportional to the intensity of the magnetic field. This voltage is called Hall Voltage. This Hall voltage is amplified and calibrated as magnetic field.
Specifications:
Range: 0-2 KG & 0-20 KG
Resolution: 1 G at 0-2 KG range
Display: 3½ digit LED
Power Supply: 220 V, ±10%, 50 Hz AC
Transducer: Hall probe-InAs
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Transistor Char Appt
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Digital Trainer Using NAND Gates
Complete with Regulated power supply of + 5V/500 mA. Provided with 4 Logic input switches (bounceless) 4 LED Indicators (Buffered)
Functional diagram of :-
1. 3 Input NAND 6 No.
2. 4 Input NAND 4 No.
3. 1 Input NOT Gates 4 No. is printed on board.
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Fiber Optics Communication Set
Objective:
To construct an optical transmitter and transmission of signal through Fiber Optics Cable. To construct an Optical Receiver and study the Attenuation of Signal when transmitted from Transmitter to Receiver end. Analog and Digital link can also be studied as this unit is complete with Sine and Square Waves. Bending losses can also be studied.
Features:
Instrument comprises of Microphone Preamplifier stages consists of MIC (Microphone), Preamplifier and Amplifier (Voice is converted to electrical signal and then amplified) and fed to LED (Transmitter) and then through fibre cable, signal is sent to Photodetector (Transistor) and again amplifier and output is sent to Speaker Unit. Power Supply of +6 VDC is used in Amplifier ckt. 2 No. Fiber Optics cables are provided (one of them is 50 cm long and the other is 100 cm long). One more fiber cable of 50mm length having connector at one end is also provided. Connectors a both end of fiber cable are provided for insertion in sockets provided on the front panel. Bending losses can also be studied in long wire.
Standard: MIC with 2 meter long lead and a Speaker 4, 4 ohm are mounted in a vertical box.
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