Basic feature are the same as 653 but output is displayed on two 3½ digit panel meter. Available : 15/30 Volt, 1 Amp
With built - in power supply and two MO65 moving coil meters, workable on 230 volts AC fitted with diode valve on front panel. Consistof Hight voltage : 0-250 volts AC at 25 mA continously variable Low voltage : 6.3 volts AC at 2 amps with built in rheostat for filament current control.
With built - in power supply and two MO65 moving coil meters, workable on 230 volts AC fitted with triode valve on front panel. Consist of Hight voltage : 0-300 volts AC at 30 mA continously variable Bias : 0-15 volts DC at 5mA continously variable.Low voltage : 6.3 volts AC at 2 amps with built in rheostat for filament current control.
PN Junction Diode App.) with built in dual power supply, workable on 230 volts AC, fitted wtih semi conductor diode and meter connection are brought out on panel with separate terminals, Four MO 65 moving coil meters 90 V, 100uA, 3V and 15 mA are provided. Output Bias : 0-1 volts DC continously variable (for forward bios) Input Bias : 0-30 volts DC continously variable (revese bias)
Same as 657 but with 2 dual range MO65 moving coil meters
With built in dual stabilized continously variable power supply, workable on 230 Volts AC, fitted with PNP transistor AC 128 on front panel, different terminals of transistor and meter connection are brought out on the panel with separate terminal, fitted with four MO 54 moving coil mters of 3V, 250uA, 50mA, 10V.
To study Efficiency & Ripple factor in Half wave, Full wave & Bridge rectifier on application of load & filters, instrument compresies of AC power supply, two MO 65 moving coil meter 20V and 250 mA to measure output voltabe & output cuurent, four diiodes, fitlr cicuit kit, load resistance ca, be selected using band switch
With built in stabilized power supply, workable on 220 volt AC, fitted with FET FW 10, power supply and three MO 65 moving coil meters, 3V, 15 mA, 15V.
With built-in dual stabilized power supply workable on 220 volts AC, fitted with UJT 2N 2646 on front panel, different terminals of UJT, power supply and meter connections are brought out on the panel, fitted with three MO 65 moving coilt meters 15v, 1.5 / 60mA-dual range and 30 V.
Provideed with two AC meter 5V and 25mA, one inductance, three resistances and three capacitors with separate terminals for measurement of ‘Q’ value.
With built in power supply having 2 meters, workable on 220 volts AC photo electric cell mounted in a metal box with slit to hold filter, provied with light source.
To Study RC time constant during chargin and discharginf o capacitor, with built in sabilized power supply, workable on 220 volt AC, three differenct resistances and capacitors are mounted with separate terminals for different graphs, provided with DC Voltmeter & Milliammeter
With built in power supply to operate cathode ray tube, on voltmeter shows deflection voltage, C.R.T is mounted on teak wood stand with graph. Anothre wooden stand is provided to hold bar magnets and deflection magnetotomer.
To study frequency and waveshape generated by Colpitt Oscillator, instrument comprises of 12 V DC regulated power supply.
To study frequency and waveshape shift Oscillator instrument compreses of 12V DC regulated power supply, printed cicuit diagram & components mounted on fron panel.
Range 1 Hz to 100 Khz in five bands, Sine, Square nad Triangular wave with output voltage variable upto 20 volts peak to peak at
Wit built in stabilized power supply, workable on 230 Volts AC, thermister fitted with built in oven and thermometer is mounted on front panel, a heat control switc, on mili ammeter 10mA, on voltmeter 10V and separate terminal for thermister are provided.
Instrument comprises of DC regulatored power supply, printed circuit diagram and component mountedon the fron panel
Instrument comprises of two DC regulated power supplies of 0-5 Volts and ±15 volt on digital meter to measure input and output voltages, combination of reistances, capacitors mounting on fron panel
To plot reverse saturation current Vs temeprature in reverse biased PN junction diode, instrument comprises of DC regulated power supply 0-20 Volts / 150mA two MO 65 moving coil meters 20 V and 100 uA for voltage & current measurement, on PN Junction diode (GeType) Kept in oven with temerpature control knob
