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عرض 1861–1875 من أصل 2204 نتائج
Set Of Metal Discs
For demonstrating that some metals are magnetic whilst others are not and for general Metal Identification’ exercises. Comprises sixteen discs, 25 mm. diameter, 2 each of Mild Steel, Stainless Steel, Brass, Zinc, Nickel, Silver, Bronze, Aluminium and copper. One of each is stamped with the name of metal, the other is unmarked.
SKU: PH41112Seven Segment LED Display Circuit
A common anode seven segment module is fitted on a board with 8 bit dip switch to control the each segment of seven segment LED display. The inputs A-D of a display driver are connected to the binary coded decimal (BCD) outputs from a decade counter. A network of logic gates inside the display driver makes its outputs a-g become high or low as appropriate to light the required segments a-g of a seven segment display. A resistor is required in series with each segment to protect the LEDs
SKU: PH92350Signal Generator
Audio frequency Generator is versatile instrument providing sine, square & triangular wave functions over a wide range from 2 220 KHz in decade ranges. The amplitude of the waveforms can be varied from 20 mV to 20 V peak to peak about zero level with the help of three step coarse control & fine control. The complete unit is enclosed in an attractive metal cabinet.
SKU: PH93205Signal Generator
1 Hz to 100 KHz in five decade ranges selected by rotary switch named as frequency Multiplier. Sine Triangular and Square waveforms selected by push switch with LED indication. Output signal is 0-3.5 V rms (10 V peak to peak) open circuit continuously control with uncalibrated amplitude control knob. Mains rocker switch with indicator Light. Signal Generator is versatile for general laboratory use; output signal is adjustable with the combination of Freq. multiplier and set frequency dial with a low level of distortion. Output Voltage is continuously variable with selector range 1V and 10V. There is two pair of output safety sockets. One for CRO output (experiment for amplification, filter etc.) and another pair of sockets to speaker to drive a speaker and to demonstrate the audio signal frequency range 20 Hz to 20 KHz.
SKU: PH93210Signal Generator, Digital
This signal generator is a useful test instrument capable of generating multiple waveform and offers excellent waves shape, signal linearity, waveform symmetry and frequency range with selection of sine, triangular and square wave and amplitude variable 10 V peak to peak. 1 Hz to 100 kHz in five decade ranges selected by rotary switch named as frequency multiplier. Sine, triangular and square waveforms selected by push switch with LED indication. Output signal is 0 – 3.5 Vrms (10 V peak to peak) open circuit continuously control with uncalibrated amplitude control knob. Mains rocker switch with indicator Light. Signal Generator is versatile for general laboratory use; output signal is adjustable with the combination of frequency multiplier and set frequency dial with a low level of distortion. Set frequency is displayed on a 4 seven segment display. Output Voltage is continuously variable with selector range 1 V and 10 V.There is two pair of output safety sockets. One for CRO output (experiment for amplification, filter etc.) and another pair of sockets to speaker to drive a speaker and to demonstrate the audio signal frequency range 20 Hz to 20 KHz.
SKU: PH93210DSimple Circuits Kit
To explain working of electricity by simple circuits. Students can create simple circuits and learn about electricity, currents, voltages, series circuits and much more. Kit includes: D cell battery holder, knife switch, 2 light bulb holders, 2 light bulbs, 5 alligator connector cords and instructionmanual.
SKU: PH50680
