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ZESCO GENERAL INSTRUMENTS SECTION - A PRICES (RS.) ZES 1 E/M BY THOMPSON METOD (BAR MAGNET METHOD) Rs. 6000.00 The apparatus is designed to work on 230 volts AC 50 c/s. It has built in E.H.T. supply. New Cathode Ray tube is used to provide proper display. Very easy to handle and Com -pact in size. Specification : Input : 230 volts 50 C/s. E.H.T : 800 volts at 10 mA. Deflection volts : 0-50 volts at 15 mA. L.T. : 6.3 volts at 2A. Horizontal Deflection : By Bar Magnets Vertical Deflection : By internal built in supply. Provided with wooden stand, Deflection Magnetometer & pair of Bar magnet. ZES 2 E/M BY MAGNETRON VALVE METHOD Rs. 8000.00 Magnetron Power supply. Input : 230 volts AC H.T. : 250 volts at 300 Micro Amps L.T. : 6.3 volts at 2A. Provided with meters to read voltage and current. Power supply for solenoid. Input : 230 volts AC Output : 24 volts DC at 3A. Meter is provided to read voltage and current. Accessories : Solenoid : Current Carrying Capacity 3A. Lenght : 45 cm. Dia. : 6.5 cm. Rheostat : Groove type special wound Rheostat is provided at 3A. ZES 3 E/M BY HELLICAL METHOD : (LONG SOLENOID) Rs. 11000.00 Specification : Input : 230 volts AC 50 c/s. E.H.T. : 1000 volts. DC Output for solenoid Provided with reversing switch. : 30 volts DC at 1.5 Amps. Solenoid : Dia 4'' - 5'' Lenght : 20'' wound on properly insulated former and fittedon nicely polished teak wood base. ZES 4 ULTRASONIC DIFFRACTION APPARATUS : The instruments is designed to give accurate and best result, keeping in view the various difficulties faced by the students. A high Power R.F. Oscillator is designed for this experiment and special type of High Resolving Spectrometer with Micrometer Eye-piece is provided for this experiment. It is fully tested & more fringes are formed with the help of R.F. Oscillator. Direct measurement can be made on the micrometer eye-piece and no camera is required. Specification : Input : 230 volts AC 50 c/s. Frequency : 2.5-6.5 Mc/s calibrated for different set crystal Freq. & is continuously variable. R.F. Output : The output is brought out on the terminals. Built in a nicely polished box with on/off switch jewel light etc. Accessories : Sodium Lamp & Txfr. : Complete with Txfr & wooden case. Ceremic Crystal : The crystal is provided with the handle. Tank : Optically true glass tank is provided for keeping the liquid. Liquid : Kerosene oil is provided in a plastic bottle. (a) -- do -- without Txfr & Sodium Lamp. Rs. 22000.00 (b) Extra Crystal of different frequencies. Rs. 800.00 (c) Sodium Lamp in wooden cabinet with 55 Watt. Transformer. Rs. 3600.00 (d) -- do -- with Camera attachment & Camera On Request. ZES 5 RESISTIVITY OF SEMICONDUCTOR BY FOUR PROBE METOD AT DIFFERENT TEMPERATURE & DETERMINATION OF BAND-GAP COMPLETE IN ALL RES -PECT. Rs. 15600.00 ZES 6 HALL EFFECT EXPERIMENT : (a) Electromagnet 0-10 KGauss (b) Power supply (c) Digital Gauss Meter with Probe (d) Constant Current Source (e) Digital Milli Volt Meter 200 mV. Rs. 45000.00 ZES 7 ELECTRON SPIN RESONANCE SPECTROMETER : Rs. 53000.00 Complete in all respect with C.R.O. -- do -- without C.R.O. Rs. 22900.00 ZES 8 APPARATUS FOR THE MEASUREMENT Of Susceptibillity of Para Magnetic Solution by Qunik's Tube method. Complete with Electro Magnet & Power Supply, Quinks tube with stand & digital gauss meter with probe. Rs. 28000.00 ZES 9 MAGNETIC HYSTERESIS LOOP TRACER COMPLETE IN ALL RESPECT. Rs. 52000.00 -- do -- without C.R.O. Rs. 22000.00 ZES 10 RADIATION COUNTING SYSTEM/GM COUNTER On Request. The system is used for the detection of radiation emmited from different radiation sources such as B, y. etc. It consists of : A high voltage power supply, radiation detector fixed on source keeping platform for putting different sources of radiation to be analyzed. 8 digit display, different gate time of 1 second, 10 sec. 1 minute and two minute controlled by a manual time switch. Specification : Display : 8 digit LED. Gate Time : 1 Second, 10 second, 1 minute & 2 minute. (Crystal Controlled). Detector : G.M. Tube. Controls : Mains ON/OFF : Reset. : Start : Counts stop automatically as per the manual controlswitch. : Built in test signal E.H.T. : 200 to 800 volts. Power Supply : Mains 230 volts 50 Hz. ZES 11 DIGITAL GAUSS METER Rs. 11600.00 Specification : Range : 0-2 KG & 0-20 KG Resolution : 1G at 0-2 KG range Accuracy : + 0.5% Temperature : Upto 50*C Display : 3 1/2 digit, 7 segment LED DPM with auto polarity and overflow indication. Power : 220V + 10%, 50 Hz. Transducer : Hall Probe - InAs MEASURING INSTRUMENTS SECTION - B ZES 20 V.T.V.M. (VACUUM TUBE VOLT METER VM - 10) Rs. 3300.00 Specification : AC Voltage : 0-1.5, 5, 15, 50, 150, 500, 1500 volts. DC Voltage : 0-1.5, 5, 15, 50, 150, 500, 1500 volts. Resistance : 0-1K, 10K, 100K, 1M, 10M, 100M, 1000 meg. ohms. Calibration Accuracy : AC voltage + 4% on all ranges. DC voltage + 3% on all ranges. Resistance with in + 2% on all ranges. Frequency Response : Within range of 50 c/s to 5 Mc/s flat. Input impedance : DC voltage 11 M ohms on all ranges for AC voltages 5M ohms in Parallel with 25 P.F. Source of Supply : 230 volts 50 c/s AC. ZES 21 VACCUM TUBE VOLTMETER MODEL VM-11 Rs. 5600.00 Specification : DC voltage : 1.5 V.F.S.D. to 1500V in 7 ranges. AC voltage : 1.5 V to 1500 V in 7 ranges. Resistance : 0.2 ohms to 1000 M megohm in 7 decade ranges. Accuracy : + 2.5% on all ranges. DC voltage : 11 M ohms & 5 M ohms for AC in parallel with 25 P.F. Frequency Response : 10 Hz to 10 MHz. Resistance Accuracy : + 1.5% of mid scale upto 1 meg ohm. Meter : Using Taut Band Meter. Power Supply : 220 + 10% 50 Hz. -- do -- VM 12 : with Simpson Type meter. Rs. 5200.00 ZES 22 FET MULTIMETER (IN LIEU OF V.T.V.M.) Rs. 3300.00 Specification : Input : 230 volts Input Impedance : 10 Megohms. Ranges AC/DC 0-1500 Volts in seven ranges. Accuracy + 3% (a) 0-1.5 volts (b) 0-5 volts. (c) 0-15 volts. (d) 0-50 volts. (e) 0-150 volts. (f) 0-500 volts. (g) 0-1500 volts. Resistance : upto 1000 Meg ohms. ZES 23 ABSORPTION WAVE METER Rs. 3600.00 This instruments is designed to measure the frequency of Oscillators. It has six set of coils. (1) 100 Kc/s -300 Kc/s (2) 300 Kc/s -1 Mc/s (3) 1 M/c - 3 Mc/s (4) 3 Mc/s- 10 Mc/s (5) 10 Mc/s - 30 Ms/c (6) 30 Mc/s - 100 Mc/s ZES 24 POWER OUTPUT METER Rs. 3100.00 Input : 230 volts AC 50 Hz. Range : 0- 5 watts, 0-5 watts, 0-50 watts. Load Resistances : 4, 8, and 15 ohms. OSCILLATORS SECTION - C ZES 35 WIDE RANGE SINE/SQUARE OSCILLATOR Rs. 3700.00 Frequency Range : 1 Hz to MHz in six Decade step. Out put Voltage : Sine wave 0-10v in three steps with Continuous Variable. Square Wave : 0-15 p/p Continuosly variable. Distortion : Sine Wave less than 0.5% between 100 Hz to 100 KHz. Output Impendance : 600 ohms. ZES 36 WIDE RANGE SINE/SQUARE OSCILLATOR Rs. 4000.00 Frequency Range : 10 Hz to 500 KHz in 5 Decade step. Output Voltage : Sine wave 0- 10V in 5 step with Continuous Variable Control. Square Wave : 0- 15 p/p Continuously variable. Distortion : Less than 0.5%. ZES 37 LOW DISTORTION AUDIO OSCILLATOR Rs. 4500.00 Frequency Range : 10 Hz to 110 KHz in four ranges by step selection with accuracy + 3%. Output Voltage : Sine wave 0- 10V 5 decade step with Continuous Variable Control. Distortion : Less than 0.2% ZES 38 SINE/SQUARE OSCILLATOR Rs. 3100.00 Frequency Range : 20 Hz to 200 KHz in 4 Decade step. Output Voltage : Sine wave 0- 10V in two decade step with Continuous Variable Control. Square Wave : 0- 15 p/p Continuously variable. Distortion : Less than 0.5% between 100 Hz to 100 KHz. ZES 39 SPOT FREQUENCY OSCILLATOR Rs. 1500.00 Frequency Range : 200 Hz, 400 Hz, 1 KHz, 2 KHz, & 5 KHz sine wave (Other Frequency available at extra cost.) Out Put Voltage : 0- 10V Continuously variable. ZES 40 FUNCTION GENERATOR Rs. 6200.00 Wave Forms : Sine, Square, Triangle. Frequency Range : 0.1 Hz to 1 MHz in 6 Decade step. Out Put Voltage : 1- 20V p/p continuously variable. Out Put Impendance : 600 Ohms. ZES 41 FUNCTION GENERATOR Rs. 3000.00 Wave Forms : Sine, Square, Triangle. Frequency Range : 1 Hz to 100 KHz in 5 Decade step. Output Voltage : 0-6V ZES 42 VHF OSCILLATOR Rs. 5300.00 For Leacher Wire Experiment supplied with power supply & Leacher Wire fitted on board. (Approx. 160 cm) and Detector (Bulb type) Or R.F. meter. ZES 43 HIGH POWER R.F. OSCILLATOR Rs. 7000.00 Frequency : 2.5 MHz to 6.5 MHz Continuously variable useful for Ultrasonic Experiment (crystal calibrated). ZES 44 BRIDGE OSCILLATOR Rs. 1500.00 The Bridge Oscillator is a 1000 c/s fixed frequency Oscillator having a wide range of application in audio frequency test & bridge measurement consists of R.C. coupled Wien Bridge Oscillator followed by a power amplifier. Amplitude is continuously variable from 0-20 volts. Specification : Frequency : 1000 c/s fixed Accuracy : + 1% Wave Form : Sine Wave Output Volts : 0-20V Input : 230 volts AC 50 Hz. ZES 45 SINE WAVE OSCILLATOR Rs. 900.00 1 Kc/s Solid state oscillator Input : 230 volts Frequency : 1Kc/s fixed Output : 0-8 volts. ZES 46 SINE WAVE OSCILLATOR Rs. 1500.00 IC Spot frequency oscillator. Input : 230 volts AC Spot frequencies : 400 c/s, 1Kc/s, 3 Kc/s. Output : 0-8 volts. TRANSISTOR CHARACTERISTIC CURVE APPARATUS SECTION - D ZES 55 P.N.P. COMMON EMITTER TRANSISTOR CHARACTERISTIC CURVE APPARATUS The instrument is designed to draw input as well as output characteristic curve of a P.N.P. Transistor AC 128. It has two regulated power supplies of its own & four meters. Complete circuit diagram is provided on the front panel. Complete with instruction manual. Specification : Input : 230 volts AC Output : 0-9 volts at 50 M.A. Stability : + .05% (A) COMMON EMITTER Rs. 1900.00 (B) COMMON BASE. Rs. 1900.00 (C) COMMON COLLECTOR. Rs. 1900.00 ZES 56 - DO- WITH UNREGULATED POWER SUPPLIES Rs. 1700.00 ZES 57 TRANSISTOR INPUT OR OUTPUT CHARACTERISTIC APPARATUS ZESCO only three meters are provided. Complete with power supplies. (A) COMMON EMITTER Rs. 1500.00 (B) COMMON BASE Rs. 1500.00 ZES 58 - DO - WITH REGULATED POWER SUPPLIES Rs. 1700.00 ZES 59 FET TRANSISTOR CHARACTERISTIC APPARATUS Rs. 1900.00 The instrument is designed to draw the characteristic of a F.E.T. Transistor its drain current VS drain source voltage and VGS. Complete with circuit diagram. ZES 60 MOSFET CHARACTERISTIC APPARATUS Rs. 2500.00 The instrument is designed to draw the characteristic of a Mosfet. Complete circuit diagram is engraved on the front panel. Three meters are provided with power supply of its own. ZES 61 CHARACTERISTIC OF SCR Rs. 2000.00 Complete with three meters to read anode current, anode voltage and gate current. Two built in power supplies are provided. ZES 62 CHARACTERISTIC OF DIAC Rs. 1600.00 The instrument is designed to draw the characteristic of a diac. It is provided with 0-30 volts IC regulated power supply & 2 meters. ZES 63 CHARACTERISTIC OF TRIAC Rs. 2500.00 The instrument is designed to draw the characteristic of a triac. It is provided with 0-300 volts and 0-20 volts power supplies IC Regulated. Provided with three meters. ZES 64 UJT CHARACTERISTIC CURVE APPARATUS Rs. 2500.00 The instrument is designed to draw the characteristic curve of UJT. It has two power supplies of its own and foue meters to draw input characteristic, Complete circuit diagram is provided on the front panel. ZES 65 ZENER DIODE CHARACTERISTIC APPARATUS (a) The instrument is designed to draw the characteristic curve of a Zener Diode Forward Bias as well as Reverse bias. Provided with two power supplies and four meters. Rs. 1700.00 (b) -- do -- with two meters. Rs. 1300.00 ZES 66 ZENER DIODE AS A VOLTAGE REGULATOR Rs. 1300.00 Complete circuit diagram is engraved on the front panel. Complete with power supply & meter. ZES 67 PN JUNCTION DIODE CHARACTERISTIC APPARATUS The instrument is designed to draw the characteristic curve of a diode, For ward as well as Reverse characteristic of a Pn Junction diode. (a) - do - with two meters. Rs. 1300.00 (b) - do - with four meters. Rs. 1700.00 (c) - do - with 4 digital meters. Rs. 3600.00 ZES 68 PN JUNCTION DIODE CHARACTERISTIC APPARATUS Specification : (a) H.T. 1 0-30 volts at 50 mA. H.T. 0-3 volts at 10 mA. Provided with two round meters. Rs. 1300.00 (b) -- do -- with 4 meters. Rs. 1700.00 (c) -- do -- with 4 digital meters Rs. 3600.00 ZES 69 ZENER DIODE ON BOARD Rs. 100.00 ZES 70 PN JUNCTION DIODE ON BOARD Rs. 100.00 ZES 71 PNP TRANSISTOR ON BOARD Rs. 150.00 ZES 72 NPN TRANSISTOR ON BOARD Rs. 150.00 ZES 73 FET TRANSISTOR ON BOARD Rs. 160.00 ZES 74 UJT ON BOARD Rs. 300.00 ZES 75 THERMISTER ON BOARD Rs. 300.00 ZES 76 THERMISTER CHARACTERISTIC APPARATUS Rs. 1700.00 Complete circuit in engraved on the front panel with power supply and two meter. ZES 77 ENERGY BAND GAP OF PN JUNCTION DIODE Rs. 2500.00 Complete circuit diagram is engraved on the front panel, provided with power supply, 2 meter, thermometer & oven. ZES 78 HYBRID PARAMETERS OF A TRANSISTOR Rs. 2100.00 ZES 79 V.R. TUBE CHARACTERISTIC APPARATUS Rs. 3300.00 ZES 80 VERIFICATION OF CHILD'S LAW APPARATUS Rs. 2500.00 CHARACTERISTIC CURVE APPARATUS SECTION - E ZES 90 PENTODE CHARACTERISTIC APPARATUS Rs. 4000.00 The instrument is designed to draw the characteristic of the Pentode valve. It has two built in power supplies. Four 65mm. dia meters are provided to read different Electrode volt/current. The Pentode valve is fitted on board. The students have to make the connection. Input : 230 volts AC H.T.1 (Stabilised) : 0-300 volts at 30 mA. H.T.2 : 0-250 volts at 25 mA. Bias : 0-15 volts at 100 mA. L.T. : 6.3 volts at 2 Amps. Built in a nicely polished box with on/off switch, jewel light etc. --- DO --- with (Trtrode Characteristic Apparatus) Rs. 4000.00 ZES 91 TRIODE CHARACTERISTIC APPARATUS Rs. 2500.00 The instrument is designed to work on 230 volts AC. It consists of Power supply of its own, fitted with a Triode valve. Three meters are provided to read the Anode voltage Curent & Bais. After switching on the apparatus the students can make the reading of Anode Voltage/Current-without any difficulty. Rather the experiment can be perfor -med by many students in a short period of time. --- DO --- with Deluxe meters. Rs. 2900.00 ZES 92 TRIODE CHARACTERISTIC APPARATUS Rs. 1300.00 Specification : Input : 230 volts AC 50 c/s H.T. : 0-300 volts at 30 Milli amps. Bias : 15-0-15 volts at 50 Milli amps. L.T. : 6.3 volts at 2 amps. The instrument is built in a steel box nicely polished. -- do -- with Deluxe meters. Specification : Input : 230 volts AC 50 c/s H.T. : 0-300 volts at 30 Milli amps. Bias : 15-0-15 volts at 50 Milli amps. In this instrument the bias voltage can be adjusted from negative 15 volts to Positive 15 volts. A dp switch is provided to select positive or negative volts. (b) -- do -- with Deluxe meters. Rs. 1900.00 ZES 93 TRIODE ON BOARD Rs. 240.00 ZES 94 DIODE CHARACTERISTIC APPARATUS Rs. 2400.00 The instrument is designed to work on 230 volts AC. It consists of power supply of its own, fitted with a Diode Valve on the front panel. The anode voltage can be varied from 0-250 volts at 25 Milli Amps. Two meters are provided to read the Anode voltage & anode current. This apparatus is very useful for plotting the characteristic curve of a Diode valve. Many students can perform the experiment without wasting their much of time. The instru -ment is built in a steel box nicely polished Saturation Point is obtained. Specification : Stabilised Power Supply Input : 230 volts AC 50 c/s Output : 0-250 volts at 25 Milli amps. L.T. : 6.3 volts at 500 mA variable (continuously variable). (b) -- do -- with two round meters. Rs. 1900.00 (c) -- do -- with SQ meter. Rs. 2200.00 ZES 95 DIODE CHARACTERISTIC APPARATUS Rs. 1300.00 Input : 230 volts AC Output : 0-250 volts at 25 mA. L.T. : 6.3 volts AC at 500 mA. Two meters are provided to read volts and mA. Built in a nicely polished box. (b) -- do -- with two Deluxe meters. Rs. 1600.00 ZES 96 DIODE ON BOARD Rs. 250.00 ZES 97 PENTODE/TETRODE VALVE ON BOARD Rs. 300.00 ZES 98 PHOTO CELL CHARACTERISTIC APPARATUS Rs. 2500.00 Specifications : A variable DC power supply is fitted with two meters to read DC voltage applied to the Photo tube, and second meter is provided to read the current. Complete circuit diagram is engraved on the front panel. -- do -- Selenium photo cell characteristic curve apparatus. Rs. On Request. ZES 99 PLANK'S CONSTANT APPARATUS Rs. 4400.00 The instrument is provided with complete circuit diagram for estimation for plank constant. Power supply is built in provided with Micro ammeter and Voltmeter to read the current and voltage. Set of three filters are provided. Photocell vacuum tube 868 or its equivalent is used. ZES 100 THYRATRON CHARACTERISTIC APPARATUS Rs. 2500.00 To study the ionisation potential of thyratron valve (Control characteristic) it consists of three meters to read Anode voltage. Anode current and Grid bias. Provided with two power supplies of its own, with circuit diagram and instruction manual. ZES 101 MILLIKAN'S OIL DROP APPARATUS Rs. 4000.00 Complete with power supply. ZES 102 WORK FUNCTION OF A DIODE VALVE Rs. 2500.00 Complete with 3 meters, Power supply & Diode valve. ZES 103 TO VERIFY INVERSE SQUARE LAW USING PHOTO VOLTIC CELL Rs. 3600.00 OSCILLOSCOPES SCETION - F ZES 115 SINGLE CHANNEL OSCILLOSCOPE - 1210 Rs. 17000.00 DC -10 MHz band width; Vertical deflection 5mv/div to 20v/div; Horizontal deflection 300ns/div to 30 ms/div; 130 mm CRT. ZES 116 SINGLE CHANNEL OSCILLOSCOPE Rs. 15000.00 Vertical Band width 10Hz to 5 MHz; Horizontal band width 10 Hz to 5MHz; Vertical deflection 10 mv/div to 20V/div and horizontal deflection 50mv/div to 20v/div;130 mm CRT. ZES 117 GENERAL PURPOSE OSCILLOSCOPE - 2MHz Rs. 11000.00 Vertical Band width 10Hz to 2MHz (-3db); Vertical Sensitivity 20mv/p/p per div in three steps of x1, x10, x100 with vernier; Time base Sweep Freq-10Hz to 100KHz in 5 steps with Vernier; CRT 130 mm. ZES 118 CATHODE RAY OSCILLOSCOPE Rs. 9000.00 Vertical Band width 5 c/s to 50 Kc/s; Sensitivity 10mv ms/cm. Time base 20c/s to 75 Kc/s, CRT-76 mm(3'') ZES 119 B.H. CURVE APPARATUS Rs. 3000.00 Complete circuit diagram is engraved on the front panel. Terminals are provided for X & Y plates. Complete with variac. -- do -- Without Variac. Rs. 1100.00 ZES 120 B.H. CURVE APPARATUS WITH VARIAC AND 2 MC/S OSCILLOSCOPE SCREEN DIA 130 MM. Rs. 14000.00 -- DO -- with 70 mm (3'') dia oscilloscope. Rs. 10000.00 ZES 121 DEMONSTRATION OSCILLOSCOPE Rs. 20000.00 Complete circuit diagram is engraved on the panel. The student can be explained the working of all the stages. From EHT on wards. The CRT is fitted in a separate wooden box with perspex scale. Very useful for daily working also. ELECTRONIC TRAINING BOARD VALVE VERSION SECTION - G ZES 130 DIODE AS A HALF WAVE/FULL WAVE RECTIFIER Rs. 1300.00 Complete circuit is engraved on the front panel. A DPDT switch is provided to change over from half wave to full wave. Two round meters are provided to read 0-300 volts and 0-100 mA. Terminals are provided for output. -- do -- with two square meters. Rs. 1500.00 ZES 131 SINGLE STAGE TRIODE AMPLIFIER Rs. 1400.00 Complete circuit diagram is engraved on the front panel, with built in power supply. Terminals are provided for input and output. ZES 132 HARTELY OSCILLATOR Rs. 1400.00 Specification as above ZES 133 COLPITTS OSCILLATOR Rs. 1400.00 Specification as above ZES 134 WIEN BRIDGE OSCILLATOR Rs. 1400.00 Specification as above ELECTRONIC TRAINING BOARD TRANSISTOR VERSION SECTION - H Complete circuit diagram is engraved on the front panel. Provided with power supply of its own. Fitted in a nicely polished box with terminals for output. ZES 145 HARTLEY OSCILLATOR Rs. 1100.00 ZES 146 COLPITT OSCILLATOR Rs. 1100.00 ZES 147 WIEN BRIDGE OSCILLATOR Rs. 1200.00 ZES 148 PHASE SHIFT OSCILLATOR Rs. 1300.00 ZES 149 FREE RUNNING MULTIVIBRATOR (ASTABLE) Rs. 1100.00 ZES 150 MONOSTABLE MULTIVIBRATOR Rs. 1100.00 ZES 151 BI-STABLE MULTIVIBRATOR Rs. 1100.00 ZES 152 TO STUDY COMMON BASE AMPLIFIER Rs. 1100.00 ZES 153 (A) SINGLE STAGE R.C. COUPLED AMPLIFIER Rs. 1000.00 (B) TWO STAGE R.C. COUPLED AMPLIFIER Rs. 1200.00 ZES 154 TRANSISTOR AUDIO AMPLIFIER Rs. 1000.00 ZES 155 TO STUDY FREQUENCY RESPONSE OF A COMMON EMMITER AMPLIFIER Rs. 1000.00 ZES 156 DEMONSTRATION SUPER HETERODYNE RADIO RECEIVER (SINGLE BAND) Rs. 2500.00 ELECTRONIC TRAINING BOARD IC VERSION Complete circuit diagram in engraved on the front panel with built in power supply of its own. ZES 165 IC AUDIO AMPLIFIER Rs. 1100.00 ZES 166 IC PUSH PULL AMPLIFIER Rs. 1300.00 ZES 167 IC FREE RUNNING MULTIVIBRATOR (ASTABLE) Rs. 1000.00 ZES 168 IC BI-STABLE MULTIVIBRATOR Rs. 1000.00 ZES 169 IC MONO-STABLE MULTIVIBRATOR Rs. 1000.00 ZES 170 IC SCHMITT TRIGGERS Rs. 1000.00 ZES 171 IC SAW-TOOTH GENERATOR Rs. 1000.00 ZES 172 IC 555 TRAINER WITH BUILT IN SINE/SQUARE WAVE OSCILLATOR 100 HZ/1KHZ. Rs. 3100.00 Eight Expt. can be performed Astable, Monostable, Bistable, Schmitt Triggers, Frequency Divider, Missing Pulse Detector, Square Wave Generator, Saw Tooth Generator. ZES 173 IC WIEN BRIDGE OSCILLATOR Rs. 1100.00 ZES 174 IC PHASE SHIFT OSCILLATOR Rs. 1200.00 ZES 175 IC EMITTER FOLLOWER Rs. 1200.00 ZES 176 IC REGULATED POWER SUPPLY Rs. 1200.00 ZES 177 IC PUSH PULL AMPLIFIER Rs. 1200.00 TRANSISTOR/IC REGULATED POWER SUPPLIES SECTION - 1 ZES 187 IC REGULATED POWER SUPPLIES Specification : Input : 230 volts AC Output : 0-30 volts at 5 Amps. Load Regulation : + .05% Line Regulation : + .01% Ripple : Less than 1 mv r.m.s. Protection : Protected against short circuit. Meters : Two meters are provided to read volts and Amps. (b) 4 Amp current. (c) -do- 3 Amp current. Rs. 5000.00 (d) -do- 2 Amps current Rs. 4500.00 (e) -do- 1A current. Rs. 3300.00 (f) -do- 500 mA current. Rs. 2100.00 OR with two digital volt/Ammeter Rs. 700 EXTRA. ZES 188 FIXED OUTPUT DC, IC REGULATED POWER SUPPLIES Specification : Load Regulation : Better than .05% Line Regulation : Better than .01% Ripple : Less than 1 mV r.m.s. (A) Output + 5 V : 1 Amps. Rs. 1000.00 - DO - : 2 Amps. Rs. 1400.00 (B) + 9 V : 1 Amps. Rs. 1000.00 -DO- : 2 Amps. Rs. 1400.00 (C) + 12 V : 1 Amps. Rs. 1000.00 - DO - : 2 Amps. Rs. 1400.00 (D) + 15 V : 1 Amps. Rs. 1000.00 -DO- : 2 Amps. Rs. 1400.00 Note : Above Power Supplies are without meters. ZES 189 DUAL POWER SUPPLIES (FIXED) Specification : Load Regulation : Better than .05% Line Regulation : Better than .01% Ripple : Less than 1 mV r.m.s. (A) + 5 V : 0.5 Amps. Rs. 1200.00 -DO- : 1 Amps. Rs. 1400.00 - DO - : 2 Amps. Rs. 1700.00 (B) + 9 V : 0.5 Amps. Rs. 1300.00 - DO - : 1 Amps. Rs. 1500.00 - DO - : 2 Amps. Rs. 1900.00 (C) + 12 V : 0.5 Amps. Rs. 1300.00 -DO- : 1 Amps. Rs. 1500.00 (D) + 15 V : 0.5 Amps. Rs. 1300.00 -DO- : 1 Amps. Rs. 1500.00 Note : Above Power Supplies are without meters. ZES 190 LOW VOLTAGE AC/DC POWER SUPPLIES Rs. 4200.00 Input : 230 AC + 10% 50 Hz Output : 0-25 AC, 0-20 DC 10 Amps. with 1 Deluxe meter to measure voltage. ELECTRONICALLY REGULATED POWER SUPPLIES ZES 200 ELECTRONICALLY REGULATED POWER SUPPLY Rs. 6000.00 Input : 230 volts AC Output H.T. : 0-300 volts DC at 200 mA continuously variable. Bias : 0-150 volts DC at 5 mA continuously variable. L.T. : 6.3 volts at 3 Amps. Regulation : + 1% Controls : Power on/off H.T. control, bias control output terminals and jewel light are located on the front panel. The unit is enclosed in a steel cabinet Using Deluxe meters. ZES 201 REGULATED POWER SUPPLY Rs. 3700.00 Input : 230 volts AC 50 c/s Output H.T. : 0-300 volts 100 mA continuously variable and metered for H.T. volt and mA. Bias : 0-30 volts at 3 Amps. L.T. : 6.3 volts at 3 Amps. Regulation : + 1% Controls : Power on/off H.T. control, bias control output terminals and jewel light are located on front panel. The unit is en- closed in a steel cabinet Using Deluxe meters. ZES 202 REGULATED POWER SUPPLY Rs. 3300.00 Input : 230 volts AC 50 c/s Output H.T. : 0-300 volts DC at 50 mA Bias : 0-30 volts at 10 mA L.T. : 6.3 volts at 3 Amps. Regulation : + 1% Stabilization : Better than 1% for a variation of 10% AC mains supply. Ripple Content : Approximately 10 Milli Volts. Power Requirements : 230 volts AC 50 c/s ZES 203 ELECTRICALLY REGULATED POWER SUPPLY Rs. 3300.00 For Triode Experiment, With three round meters. ZES 204 ELECTRICALLY REGULATED POWER SUPPLY Rs. 1800.00 For Diode Experiment, With Two round meters. ---- do ----- with two Deluxe meters. Rs. 2000.00 ZES 205 ELECTROPHORESIS POWER SUPPLY : 300V/100 mA Rs. 3600.00 -- do -- 300V/50mA. Rs. 2800.00 VARIABLE POWER SUPPLIES (UNREGULATED) ZES 215 POWER SUPPLY i) H.T. : 0-300 volts continuously variable at 100 milli amps. ii) Bias. : 0-15 volts DC at 10 mA. iii) L.T. : 6.3 volts AC at 3 Amps unregulated. Ripple Contents : Approximately 50 c/s AC Power requirements : 230 volts 50 c/s AC (a) Meters : Two Deluxe meters are used. Rs. 2000.00 (b) - do - with Two round meters. Rs. 1800.00 (c) - do - with Three round meters. Rs. 2000.00 ZES 216 POWER SUPPLY Output Voltage i) H.T. : 0-300 volts continuously variable at 100 milli amps. ii) Bias. : 0-15 volts DC at 10 mA. iii) L.T. : 6.3 volts AC at 3 Amps unregulated. Ripple Contents : Approximately 50 c/s AC Power requirements : 230 volts 50 c/s AC (a) Meters : Three Deluxe meters are used. Rs. 1800.00 (b) Three round meters. Rs. 1600.00 (c) Two round meters. Rs. 1300.00 ZES 217 POWER SUPPLY Output Voltage i) H.T. : 0-300 volts continuously variable at 100 milli amps. iii) L.T. : 6.3 volts AC at 3 Amps unregulated. Ripple Contents : Approximately 50 c/s AC Power requirements : 230 volts 50 c/s AC (a) Meters : Two Deluxe meters are used. Rs. 1800.00 (b) Meters : Two round meters. Rs. 1600.00 BATTERY ELIMINATORS SECTION - J ZES 227 BATTERY ELIMINATORS Battery Eliminators are having full wave bridge and Double wound Transformers, Using copper wire and high grade lamination to aviod losses. They are built in a nicely polished box, having lock type terminals on/off switch, Jewel, light etc. (A) 2,4,6, volts DC at 500 M.A. Rs. 360.00 (B) -do- DC at 1 Amp. Rs. 450.00 (C) -do- DC 2 Amp. Rs. 480.00 (D) -do- DC 3 Amp. Rs. 550.00 ZES 228 (A) 2,4,6,8,10, 12 volts at 500 milli amps. Rs. 370.00 (B) -do- 1 Amp. Rs. 470.00 (C) -do- 2 Amp. Rs. 500.00 (D) -do- 3 Amp. Rs. 600.00 (E) -do- 4 Amp. Rs. 800.00 (F) -do- 5 Amp. Rs. 1000.00 (G) -do- 6 Amp. Rs. 1200.00 ZES 229 IC REGULATED BATTERY ELIMINATORS (A) 2-12 v 500 MA Rs. 1500.00 (B) -do- 1 Amps. Rs. 1700.00 (C) -do- 2 Amps. Rs. 2000.00 (D) -do- 3 Amps. Rs. 2500.00 BATTERY CHARGERS ZES 240 BATTERY CHARGER Battery Charger are designed to give constant output and are having double wound transformers and full wave rectifiers. Built in nicely polished box with on/off switch Jewel light and fuse etc. Input : 220 V AC 50c/s. (A) 2, 4, 6 volts DC at 1 Amp. Rs. 500.00 (B) 2, 4, 6 volts DC at 2 Amp. Rs. 540.00 (C) 2, 4, 6 volts DC at 3 Amp. Rs. 600.00 (D) 2-12 V at 1 A | ||||||||||||||||
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