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TRIODE VALVE ON BASE (0482)
For studying the characteristics of a triode valve and its practical applications.
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SIMPLE CIRCUIT MODULES, PCB MOUNTED (0483)
These simple circuit modules are intended to be used by the students to explore and familiarize with the applications of electrical 1 electronic components and devices, and simple circuits. All modules have components directly mounted on a rectangular PCB board, with soft cushioned feet at the bottom and have 4mm sockets for connecting the modules in a circuit using leads. Supplied without connecting leads.
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STEP DOWN TRANSFORMER (0484)
A simple step down transformer mounted on top of the plastic case, provides low voltage AC output. available for different outputs 4.5,9 and 12V at 250mA
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OSCILLOSCOPES (0485)
Specially designed for demonstrations, teaching, investigations and test work. The circuit is easy and layout carefully planned for easy operation. Both focus and intensity controls are provided to give sharp and clear trace. Input is selected via socket provided on front panel. The sockets are marked with circuit diagram to explain the significance of AC and DC coupling. Highly reliable for students use
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OSCILLOSCOPE SINGLE TRACE (0486)
Main features ? 10 MHz bandwidth ? Wide vertical sensitivity and horizontal sweep speed range ? Full size 140mm diagonal CRT with internal graticule ? Fully calibrated - a true measuring oscilloscope ? Simplified control layout and X-Y facilities for Lissajous figures etc. Vertical Deflection System Sensitivity 5mV to 20V per division in 1:2:5 sequence via push button attenuator system Accuracy ? 5% Bandwidth DC TO 10 MHz - 3db, DC Coupled 10Hz to 10 MHz - 3db, AC Coupling Input Coupling DC, AC or ground. Max. Input Protection: 400V AC plus peak AC.
Horizontal Deflection System Accuracy ? 5% External Horizontal Amplifier Sensitivity 1V per division 5%, Bandwidth 10Hz to 1MHz-3db, Input termination Via external tigger input socket (BNC) General Trace rotate control : On side panel, permits approximately 5 of trace rotation. Mains Input 115-220-240V nominal ac, 48 to 62Hz via captive mains lead. Factory pre-set to 240V Consumption 13VA maximum Dimensions 265x 150x390mm (h x w x d) Supplied complete with operating manual and input lead.
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OSCILLOSCOPE, 20MHz, DUAL TRACE, WITH COMPONENT AND CONTINUITY TESTER (0487)
Main features ? Microcontroller based ? Super bright LED display for showing Volts & Time/Div. ? RS232 Interface and PC Software
? x10 Magnification ? 20ns maximum sweep speed ? Stable triggering up to 40MHz ? Alternate triggering ? Variable hold off and Line triggering
? Component and Continuity Tester ? Sharp Trace CRT and Auto Focus ? Built in Options (available optionally) : Function Generator, Frequency Counter, Power Supply, Digital Voltmeter, Curve Tracer, and Logic Scope.
Technical Specifications : Operating Modes Channel 1, Channel 2, Channel 1&2 Alternate or Chopped (approx. 350kHz), X-Y operation (Ratio 1:1 Input via CH2), Add/Sub CH1 ?CH2, Invert CH2 Vertical Deflection (Y) (Identical Channels : Bandwidth DC- 20MHz (-3db), DC - 28MHz (-6db), Risetime 17.5 nS (approx), Deflection Coefficients: Microcontroller based 12 calibrated steps 2mV/Div -10V/Div (1-2-5 sequence). Adjustable by up-down keys. Step position indicated by glowing LEDs'. Accuracy ?3%, Hold Off - Variable Control for Stable Triggering, Input Impedance - 1 MΩ 30pF (approx), Input Coupling - DC-AC-GND, - Maximum Input Voltage - 400V (DC + Peak AC), Time Base - , Time Coefficients - Microcontroller based 18 calibrated steps, 0.5?S/Div - 0.2?S/Div (1-2-5 sequence) with magnifier x 10 to 50nS/Div with variable control to 20ns/Div. Adjustable by up-down keys. Step position indicated by glowing LEDs., Accuracy - ?3% (in Cal position), Ramp output - 5 Vpp, (approx), Modes - Auto/Level, Source - CH1, CH2, ALT-CH1/CH2, Line, Ext., Slope - Positive or Negative , Coupling - AC, Line Trigger, Sensitivity - Int. 5mm, Ext. 0.8V (approx), Trigger Bandwidth - 40MHz, Horizontal Deflection Bandwidth - DC - 2.3MHz (-3db), X-YMode - Phase Shift < 3? at 60kHz. Deflection Coefficients: Microcontroller based 12 calibrated steps 2mV/Div -1 OVIDiv [1-2-5 sequencel. Adjustable by up-down keys. Step position indicated by glowing LED?s, Input Impedance : 1 MO 1130pF [approx), Built-in Single Touch Component Tester : Test Voltage : Max B. 6V ~ [Open), Test Current : Max Bm~ [Shorted), Test Frequency : 50Hz, Test circuit grounded to chassis, Continuity Tester : Beeper sounds < 750 approx., General Information : Cathode Ray Tube : 140mm Rectangular tube with internal graticule P31 Phosphor, Accelerating Potential: 2kV [approx), Display : B x 10cm, Trace Rotation : Adjustable on Front Panel, Calibrator : Square Wave Generator 1 kHz [approx), O. 2V?1 % for probe compensation, Z Modulation : TILlevel, Stabilized Power Supply: All operating voltages including EHT, Mains Voltage : 230V ? 10%, 50Hz , Power Consumption : 33VA (approx.), Operating Temperature: 0-400C, 90% RH. Accessories Included: Manual, BNC-Test Prod Cable, BNC-Crocodile Cable, a pair ofT
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OSCILLOSCOPE, 25MHz, 2 CHANNEL, 4 TRACE, WITH DIGITAL READOUT (0488)
Main features : Microcontroller based, Digital Readout with backlit LCD displays Volts/Div and Time/Div settings, RS232 Interface and PC Software, 2 Channel, 4 Trace Display permits simultaneous viewing of original and expanded signals for quick analysis, - 25MHz Bandwidth, x10 Magnification, 20nS maximum sweep speed, Stable triggering up to 50MHz, Alternate triggering, Variable hold off and Line triggering, Component and Continuity Tester, Sharp Trace CRT and Auto Focus, Graticule illumination. Technical Specifications : Operating Modes: Channel 1, Channel 2, Channel 1 & 2 Alternate or Chopped (approx. 350kHz), X-Y operation (Ratio 1:1 Input via CH2), Add/Sub CH1?CH2, Invert CH2 Vertical Deflection (Y) (Identical Channels) : Bandwidth : DC- 25MHz (-3db), DC - 35MHz (-6db), Risetime :12nS (approx), Deflection Coefficients : Microcontroller based 12 calibrated steps 5mV/Div - 20V/Div (1-2-5 sequence). Electronic Control. Display on 32 character backlit alphanumeric LCD. Accuracy : ?3%, Hold Off : Variable Control for Stable Triggering, Input Impedance : 1MΩ 30pF (approx), Input Coupling : DC-AC-GND, Maximum Input Voltage: : 400V (DC + Peak AC), Timebase Time Coefficients : Microcontroller based 18 calibrated steps, 0.5μS/Div - 0.2S/Div (1-2-5 sequence) with magnifier x 10 to 50nS / Div with variable control to 20nS / Div. Electronic Control. Display on 32 character backlit alphanumeric LCD. With ALT / NOR switch magnified sweep and normal sweep can be seen simultaneously. Accuracy : ?3% (in Cal position), Ramp output : 5 Vpp (approx), Trigger System - Modes : Auto/Level, Source : CH1, CH2, ALT-CH1 /CH2, Line, Ext, Slope : Positive or Negative, Coupling : AC, Line Trigger, Sensitivity : Int 0.5mm, Ext. 0.8V (approx), Trigger Bandwidth : 50MHz, Horizontal Deflection : Bandwidth : DC-2.5MHz (-3db), X-Ymode : Phase Shift < 3? at 60kHz, Deflection Coefficients : Microcontroller based 12 calibrated steps 5mV/Div - 20V/Div (1-2-5 sequence). Electronic Control. Display on 32 character backlit alphanumeric LCD. Input Impedance : 1MΩ 30pF (approx), Built-in Single Touch Component Tester Test Voltage : Max 8.6Vrms (Open), Test Current : Max 8mA rms (Shorted), Test Frequency : 50Hz, Test circuit grounded to chassis, Continuity Tester : Beeper sounds < 750 approx., General Information Cathode Ray Tube : 140mm Rectangular tube with internal graticule P31 Phosphor, Accelerating Potential : 2kV (approx), Display : 8x10cm, Trace Rotation : Adjustable on Front Panel, Calibrator : Square Wave Generator 1kHz (approx), 0.2V?1% for probe compensation, Z Modulation : TTL Level, Stabilized Power Supply : All operating voltages including EHT, Mains Voltage : 230V ? 10%, 50Hz, Power Consumption : 33VA (approx.), Operating Temperature : 0-40 degree C, 90% RH. Accessories (included Manual, BNC-Test Prod Cable, BNC-Crocodile Cable, a pair of Test Prods, RS232 Cable and PC Control Software, CD (of Understanding Oscilloscope).
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OSCILLOSCOPE, 20M Hz, DUAL TRACE (0489)
Main Features : 20Mhz Dual Trace Oscilloscope, Alternate Triggering, line Trigger & Variable Hold-on, Component & Continuity Tester, 100KHz Function Generator, Sine, Square, Triangle, DC Waveform Outputs, 30MHz Frequency counter & Function Generator, Digital Display for frequency counter & Function Generator, Choice of power supply /Iogic scope / curve tracer / Digital Voltmeter as an additional Built-in Option, Gold plated BNC connectors, Economical & Space Saving, Multi-utility instrument for all labs and an excellent service station Technical Specifications Operating Modes: Channel 1, Channel 2, Channel 1& 2 Alternate or Chopped (approx. 350kHz), X-Y operation (Ratio 1:1 Input via CH2), Add/Sub CH1?CH2, Invert CH2, Vertical Deflection (Y) (Identical Channels): Bandwidth : DC - 20MHz (-3db), DC - 28MHz (-6db), Risetime : 17.5nS (approx), Deflection Coefficients : Microcontroller based 12 calibrated steps 2mV/Div -10V/Div (1-2-5 sequence). Adjustable by up-down keys. Step position indicated by glowing LEDs, Accuracy : ?3%, Hold Off : Variable Control for Stable Triggering, Input Impedance : 1MΩ 30pF (approx), Input Coupling Maximum : DC-AC-GND, Input Voltage : 400V (DC + Peak AC), Timebase Time Coefficients : Microcontroller based 18 calibrated steps, 0.5μS/Div - 0.2S/Div (1-2-5 sequence) with magnifier x 10 to 50nS/Div with variable control to 20nS/Div. Adjustable by up-down keys. Step position indicated by glowing LEDs, Accuracy : ?3% (in Cal position), Ramp output : 5 Vpp (approx), Trigger System Modes : Auto/ Level, Source : CH1, CH2, ALT-CH1/CH2, Line, Ext., Slope : Positive or Negative, Coupling : AC, Line Trigger, Sensitivity Trigger : Int. 0.5mm, Ext. 0.8V (approx), Bandwidth : 40MHz, Horizontal Deflection (CH2? X) Bandwidth : DC-2.3MHz (-3db) Phase, X-Ymode : Shift < 3? at 60kHz, Deflection Coefficients : Microcontroller based 12 calibrated steps 2mV/Div -10V/Div (1-2-5 sequence). Adjustable by up-down keys. Step position indicated by glowing LEDs, Input Impedance : 1MΩ 30pF (approx), Built-in Single Touch Component Tester: Test Voltage Max 8.6V rms (Open) , Test Current Max 8mA rms (Shorted) , Test Frequency : 50Hz, Test circuit grounded to chassis, Continuity Tester : 8eeper sounds < 750 approx. , General Information: Cathode Ray Tube : 140mm Rectangular tube with internal graticule P31 Phosphor, Accelerating Potential : 2kV (approx), Display : 8 x 10cm, Trace Rotation : Adjustable on Front Panel, Calibrator : Square Wave Generator 1 kHz (approx), 0.2V? 1% for probe compensation, Z Modulation : TTL Level, Stabilized Power Supply: All operating voltages including EHT, Mains Voltage : 220 - 240V ? 10%, 50Hz, Power Consumption : 33VA (approx.), Operating Temperature : 0-40 degree C, 90% RH. Accessories Included: Manual, BNC-Test Prod Cable, BNC-Crocodile Cable, a pair ofTest Prods, RS232 Cable and PC Control Software, CD (of Understanding Oscilloscope). Function Generator Modes : Sine, Square, Triangle, (Switchable), Frequency Range : 10Hz to 100 KHz in 4 Steps, Output Voltage : 10Vpp into 500, Sinewave Distortion : ≤3%, Square wave Risetimes: < 150ns, Output Short Circuit Proof, Frequency Counter : Frequency Range : 20Hz-30Hz, Resolution : 10Hz, 10KHz, Sensitivity : 0.5volts, Accuracy : ? (0.5% + 1D) of rdg, Attenuation: 1:1,1:20, Input Coupling : AC, Input Impedance : 1MΩ, Max. Input Voltage : 200 V (DC + AC peak), Display: 4 digit 7 segments LED display, Built-in Options : Logic Scope, Logic Inputs : 8 Nos. (TTL Timing diagrams), Output : To Oscilloscope, Ideal for experiments in Digital Laboratories, Power Supply : Fixed Output Voltage : 5V /500 mA, +12V /150 mA -, 12V /250 mA, Ripple : ≤ 8mV rms, Tolerance : ?0.2V, Line Regulation : 2%, +5V is floating & +12V has common ground but floating from scope chassis. Digital Voltmeter: Range : 2V, 20V and 200V, Resolution : 1mV, 10mV, 0.1V, Max. Input : 500V pp for 20V & 200V, 100Vpp for 2V, Input Impedance : 10mΩ, Curve Tracer: Vce Scan Voltage : 0- 35 V adjustable, Step Base current : 20μA each Step, Step Amplitude 0.5Volts, No. of steps : Adjustable 0 to 7, Step Polarity : Automatically selected with PNP/NPN selection On, Display : OscilioscopeviaY Input-Ch1 &X lnput-Ch 2.
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ELECTRONIC BREADBOARD (0490)
Perfect for introductory circuit courses easy and rapid circuit testing. The solder-less breadboard consisting of a matrix of low contact resistance spring clips embedded in a robust plastic moulding. The board layout combines bus-strips directly with the breadboard and contains a total of 128 terminal clips offering 640 tie points. Each clip will firmly contact directly inserted wires and the board accepts up to eight 1 6-pin ICs. Mounted on a sturdy sheet metal casing.
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PROTO LAB STATION (0491)
powered breadboard, useful for easy and rapid try out of electronic circuits with up to eight ICs . Comprises a breadboard similar to ELECTRONIC BREADBOARD mounted on sturdy sheet metal casing that also carries a set of five 4mm socket terminals, clearly indicating the rating of output available. When connected to the mains power supply through a captive two core flexible mains lead, the socket terminals provide supply voltages to the board for most electronic circuits, which include + 12V DC / 250mA, -12V DC / 250mA, +5V DC /1 A, and ground. Operates on 220V AC, 50Hz.
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SIGNAL GENERATOR (0492)
A simple and economical, low distortion signal generator useful for experiments in vibrations, waves and much more. It features continuous frequency range from 0.07Hz to 100kHz available in 6 decades and selectable through the combination fine frequency control knob and a range multiplier knob. Another knob provided for selecting the type of output waveform. The front panel incorporates three coaxial sockets - two for AM and FM input and one for output. The instrument has been designed with simplicity in mind to offer easy operatability to the students. Ranges 0.07Hz to 100kHz in 6 decades, Waveforms Sine, Square and Triangular selectable through a knob, Output Continuous variable 0-2Vpp maximum, Input AM &FM, maximum 0-2Vpp, Supplied complete with output coaxial cable.
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FUNCTION GENERATOR WITH POWER AMPLIFIER (0493)
A versatile function generator with built in Power Amplifier, which can be used as a normal bench top generator and also with Power Amplifier to drive experiments related to sound, vibration, resonance etc. equipped with separate attenuation for Function Generator and Power Amplifier, both can be used independently as well as in combination. Main features included Function Generator with Power Amplifier 0.2Hz to 200kHz frequency range ? Sine, Square, Triangle, Pulse and TIL output ? LCD display ? Am - FM modulation ? 80dB attenuation. Technical Specifications Operating Modes : Sine, Square, Triangle, Pulse, TIL, Frequency Range : 0.2Hz-200KHz in 6 steps (variable control in between), Frequency Display : digits LCD, Sine Wave Distortion : <2.5%, Output : 20 Vpp open circuit, 10 Vpp into 50 ohms., Attenuation : 80db (Fixed: 40dB, Variable: 0 to 40dB), Modulation : AM & FM, Modulation Frequency : 0-20KHz., Range Modulation : 2Vppmax., Input [external) Power : Built-in 10W peak power (8 ohms] amplifier, Amplifier : Frequency 20Hz to 20KHz (fuse protected] 220V? 1%, Power Supply Power : 50/60Hz AC, Consumption : Normal- 11 VA ?approx.J. with Power Amplifier 19 VA (approx), Operating Conditions : 0-40?C, 90% RH, Included Accessories : BNC Cable, Operating Manual, 2mm Patch cords.
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LENSES, DOUBLE CONVEX (0494)
Unmounted spherical lenses suitable for use with optical benches and for other studies in the optics. Spherical optically worked glass, with polished faces and ground edges.
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LENSES, DOUBLE CONCAVE (0495)
Unmounted spherical lenses suitable for use with optical benches and for other studies in the optics. Spherical optically worked glass, with polished faces and ground edges.
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LENS, SET OF SIX (0496)
Set of 6 unmounted spherical lenses to explore the properties of different lenses, how they interact and affect light, concepts of reflection and refraction and combination of lenses. Made of optically worked plate glass with polished faces and ground edges. Includes one each of the following typical shapes - double convex, plano-convex, converging concave-convex . (convexo-concave), diverging concave-convex (concavo-convex), double concave and plano-concave. Supplied in a velvet-lined box. Available in lens sizes (diameters).
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