Crown Electronic Systems

High Voltage Breakdown Tester Dealers Chandigarh, Punjab, Haryana, India

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High Voltage Breakdown Tester




SPECIFICATION :

OUTPUT VOLTAGE (AC)                         TEST CURRENT

                                    0 - 5KV                                                           30 mA
                                    0 - 5KV                                                           100 mA
                                    0 - 10KV                                                         30 mA
                                    0 - 20KV                                                         30 mA

METER                                  :           Two Digital meters to monitor voltage & Leakage Current

ACCURACY                         :           ± 1% of Reading

POWER REQUIREMENT  :           230V  AC

OPTIONAL :

TIMER                                    :           3 Digit , setable from 0 - 999 sec.

POWER ELECTRONICS TRAINER Manufacturers Suppliers, Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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POWER ELECTRONICS TRAINER



SPECIFICATION :-

“CROWN” made “POWER ELECTRONIC TRAINER” to study the following :
1) Characteristics of SCR, MOSFET, IGBT & POWER TRANSISTOR.
2) Triggering of SCR, MOSFET, IGBT & POWER TRANSISTOR.
3) UJT trigger circuit for half wave & full wave converter.
4) STEP UP & STEP DOWN Chopper Circuits.
5) Series resonant inverter.
6) Single phase bridge inverter.


The instrument comprises of the following:-
1) DC Regulated Power Supply
    a) 0-10V/50mA
    b) 0-25V/50mA
    c) +12V/500mA
    d) +5V/500mA
2) 4No. Digital Meters
    a) 19.99VDC
    b) 19.99V-199.9V DC
    c) 199.9µA - 19.99mA DC
    d) 1.999mA - 199.9mA DC
3) Pulse Generator Circuits
    a) Variable duty cycle pulse generator for chopper circuits.
    b) 1KHz +ve & -ve edge pulse generator for series inverter.
    c) 50Hz +ve & -ve edge pulse generator for series inverter.
    d) UJT trigger circuit for half wave & full wave converter.
4) 3 No. SCR (2P4M), 1 No. MOSFET (IRF840), 1NO. IGBT (GP8NC60KD).
    1No. POWER TRANSISTORS (2N3055) & 8No. different resistance.
5) Seprate circuits for half wave / full wave converters, choppers & inverters.



BASIC COMMUNICATION TRAINER Manufacture Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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BASIC COMMUNICATION TRAINER


SPECIFICATION :

The Instrument consists of :-

1.  DC Regulated Power Supply of :    + 12V/ 500mA
                                                             +5V/ 500mA
                                                       
2.   In Built Function Generator with following   :-
               *  Variable Frequency 1Hz – 100 KHz (+5%) in Five Ranges.
               * Variable Out put Amplitude 0-15V Peak to Peak.
               * Output Wave from (Sine, Square and Transistor) Selectable by
                  functions selector switch.
               * 4 Digit Frequency Counter
3.  Bread board having 840 tie points is mounted on front panel.
4.  Fixed Frequency Sine wave Output (1KHz & 2 KHz)  with variable amplitude.
5.  Fixed Frequency Carrier Pulse Output (8KHz , 16KHz, 32 KHz & 64KHz)
6.  Four nos. Digital Data Output with Variable Frequency.
7.  Required circuit Diagram & Patch cords are provided with instruments.

The ‘CROWN’ made Basic Communication Trainer to study the following:-

1.  Working & Construction of a Function Generator
2.  Study of Amplitude Modulation & Demodulation
3.  Study of Frequency Modulation & Demodulation
4.  Study of Pulse Amplitude Modulation & Demodulation (Output for flat Top signal, sample & hold signal & Modulated
     sampled signal)
5.  Study of Pulse Position Modulation & Demodulation
6.  Study of Pulse Width Modulation & Demodulation
7.  Study of Phase Locked Looped IC 565

2 MHz OSCILLOSCOPE Manufacturers Suppliers Delhi,NCR,India

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2 MHz OSCILLOSCOPE


SPECIFICATIONS :

VERTICAL CHANNEL :

Sensitivity                                 :           20 mV P / P cm. at 1KHz
Frequency Response                 :           10 Hz to 2MHz (-3db)
Input Impedance                        :           1MW shunted by 40 PF (approx)
Attenuator                                 :           3 steps of 1 : 1 , 1 : 10 & 1 : 100 with in between continuously
                                                            Variable control
HORIZONTAL CHANNEL :

Sensitivity                                 :           50 mV P / P per cm  at 1KHz
Frequency Response                 :           10 Hz to 1MHz (-3db)
Input Impedance                        :           1MW shunted by 40 PF (approx)
Attenuator                                 :           3 steps of 1 : 1 , 1 : 10 & 1 : 100 with in between continuously Variable control

X - Y OPERATION :

Band Width                               :           10 Hz to 1MHz

SWEEP FREQUENCY :

Frequency                                 :           10 Hz to 100KHz in 4 range with Vernier
Synchronization                         :           1.  Internal
                                                            2.  External
                                                            3.  Line i.e. 50 Hz

Display                                     :           130 mm Diameter CRT , Display area 10 x 10 Cm.

Power Requirement                   :           230V AC  + 10%

SINE / SQUARE AUDIO OSCILLATORSO Manufacturers India

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SINE / SQUARE AUDIO OSCILLATORS



SPECIFICATION

FREQUENCY RANGE                   :     20 Hz to 200 MHz in Four decade steps

DIAL ACCURACY                         :     ± 5%

WAVE FORM                                 :     SINE & SQUARE WAVE

OUTPUT VOLTAGE                       :    (1)   Sine Wave 0 - 10V & 0 - 1V with continuously  
                                                                     Variable control

                                                             (2) SquareWave 0 - 15V p/p Continuously Variable

SINE WAVE DISTORTION           :      Less than 0.5% from 100 Hz to 100KHz

SQUARE WAVE RISE TIME         :      Less than 100 neno sec. at maximum  output

SQUARE WAVE SYMMETRY      :      Duty Factor variable from 0% to 80%

OUTPUT IMPEDANCE                  :      600 Ohm  ± 5%

POWER                                         :       230V AC  ± 10 %

SINGLE PHASE MULTIFUNCTION METER MANUFACTURERS DELHI / NCR , INDORE,MAHARASHTRA,

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Single Phase Multifunction Meter


This instrument is useful for the testing of any electrical / electronic product. Like T.V. , Motor, Inverter /  UPS, Light , CFL,  etc.

Technical Specification

A) Input Voltage     : 30-300V  (Other ranges available on request)
B) Input Current     : 10mA-2A / 50mA-5A / 0.1-10A   (Other ranges available on request)
C) Measurement     : True RMS  
D) Resolution          : Floating Decimal Point
E) Accuracy            : Class 0.2 and for P.F. + 0.005
F) Display               : Four Rows 7-segment Display
G) Aux. Supply       : 230V + 20%

SINGLE PHASE MULTIFUNCTION METER WITH AC SOURCE , SELLERS DELHI / NCR

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This instrument is useful for the testing electrical / electronic product. Like T.V. , Motor , Inverter / UPS , Light , CFL etc.

Technical Specification

A) Input Voltage        : 20-500V AC
B) Input Current        : 10mA -2A / 50mA-20A / 0.1-80A
C) Measurement       : True RMS
D) Resolution            : Floating Decimal Point
E) Accuracy              : Class 0.2 and for P.F. + 0.005
F) Display                 : Four Rows 7-segment Display
G) Aux. Supply         : 230V + 20%

FUNCTION GENERATOR TRAINER KIT Manufacturers Supplier , Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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FUNCTION GENERATOR TRAINER KIT



Specification


* Frequency range 1 Hz to 100 KHz in decade steps.
*Wave form : Sine, Square, Triangle, & Pulse TTL output
* DC offset Adjustment,
* Amplitude – up to 20 V p-p (Variable)
* Output Impedance 600 ohm ± 10%
* Test point provided on trainer board

Discrete Component Trainer Manufacturers Suppliers, Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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DISCRETE COMPONENT TRAINER



SPECIFICATION
1) In built DC Regulated Power Supply +12V/250mA & +5V/250mA.
2) AC Power Supply 9-0-9V/500mA.
3) 4 no. Logic Input with toggle switch.
4) 4 no. Digital Output indicator.
5) 12 no. Different types of Resistances ( Wire Wound ,
    Carbon Film & Metal Film Resistor).
6) 12 no. Different types of Capacitors ( Ceremic,
    Polyster  & Electrolytic capacitor)
7) 9 no. Different types of diodes ( Si diode, Ge diode,
    Zener diode, Photo diode & Light Emitting diode )
8) One no. Diac.
9) 2 no. PNP & NPN Transistors.
10) One no. FET.
11) One no. UJT.
12) One no. TRIAC.
13) One no. SCR.
14) One no. MOSFET.
15) One no. Thermister
16) One no. Solar Cell.
17) One no. Speaker.
18) Two no. Voltage Regulators ( 7805&7905)
19) Two no. Potentiometers  (1 KΩ & 10KΩ)
 20) One no. Relay.
 21) One 14 Pin IC Base.

Maximum Power Transfer Theorem Manufacturers Supplier , Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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Maximum Power Transfer Theorem



Specification  :-

DC Regulated Power Supply of +12V.Variable resistance VR (potentiometer), is
mounted on the front panel. Voltmeter and current meters are mounted on front
panel to measure the voltage & current. Three type of resistance R1(500 ohm, 1
Kohm, & 2K2 ohm ) are also mounted on front panel.

Logic Gate Circuit Trainer Manufacturers Supplier , Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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Logic Gate Circuit Trainer


SPECIFICATION

INPUT                   : 230V AC 10%.
DC OUTPUT        : (A) +5V/500mA.
                                 (B) 0 - 25V/500mA

1. Bread board having 1680 tie points is mounted on front panel.
2. 12 logic input with LED indicator using SPDT switch.
3. 12 nos. Logic output with LED indicator.
4. 1Hz mono shot clock puls with pulser switch.
5. TTLclock pulser having output frequency’s of 10Hz, 100Hz,1KHz & 10KHz selectable By switch.
6.  Three Seven segment display connected with sockets for each segment
7. Two Potentiometer of 1Kohm & 1 Mohm.

Semi Conductor and Power Electronics Lab Trainer Manufacturers Supplier , Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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Semi Conductor and Power Electronics Lab Trainer





The Trainer Module Consist of :-

1. DC Regulated Power Supply : - 0-5V DC
                                                     0-15V DC
                                                     0-30V DC
                                                     0-100V DC
2. 4 Digital Meter to Meter to Measure Voltage and Current for Various Experiments
3. Different Resistance & Capacitors are fitted on in side the panel with Socket
4. Component eg. Diode, Zener Diode, LED, Transistors, NPN & PNP, FET, MOSFET, TRIAC,
SCR, UJT, DIAC are fitted with 2mm socket on board
5. Require Patch Cord & Experimental Circuits are provided .

Linear IC Trainer Manufacturers Supplier , Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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Linear IC Trainer




The Instrument consists of  :-

1. DC Regulated Power Supply of : 0 to 5V/ 100mA
                                                             12V/ 250mA
                                                              5V/ 250mA
                                                             12V/250mAAC
2. IC 741, IC 723, & IC 555 is mounted on front panel with there Pin no. & socket for connection
3. Various Resistance , Capacitor, Diode, Zener Diode, LED, Potentiometer are fitted on backside of Panel   with socket on Panel.
4. Required circuit Diagram & Patch cords are provided with instruments.



Electronics Experiment Module Manufacturers Supplier , Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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Electronics Experiment Module 






“CROWN ELECTRONIC EXPERIMENT MODULE” is design
to perform Various Electronic Experiment Related to Analog,
Digital & Communication Lab.
The module consists of the following :
1. DC Regulated Power Supply 5V / 500mA.
2. DC Regulated Power Supply 0 - 25 V/ 500mA.
3. AC Power Supply 15 - 0 - 15V/ 250mA.
4. 8 Logic Input with LED Indicator.
5. 8 Logic Output with Indicator.
6. 1 Hz mono shot clock pulse with pulser switch.
7. TTL Clock Pulser having O/P frequencies of 10 Hz , 100 Hz, 1 KHz
& 100 KHz selectable by switch.
8. One Seven Segment display with sockets for each segment.
9. Bread board having 1680 tie Point is Mounted on Front Panel.
10. Potentiometer 1k and 10k are mounted front panel.
11. In Built Function Generator with following



Analog Electronics Lab Trainer Manufacturers Suppliers, Ambala , Punjab , Chandigarh, Haryana, Delhi /Ncr

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Analog Electronics Lab Trainer




SPECIFICATIONS :-

The Instrument consists of:-

1. Four Digital Meters DC Volt and Current Meter.
2. DC Power Supply 12V Regulated, 5V Regulated, 0-10V Variable, 0-5V Variable.
3. One Step Down Transformer (9-0-9V).
4. Five Potentiometers (330W, 1K, 4.7K, 10K, 47K).
5. One PNP Transistor CK-100 and one NPN Transistor CL-100.
6. One FET BFW10.
7. +5V Regulator IC 7805.
8. Different types of diodes (In4007, Oa79, 6V Zener).
9. 34 Resistance of Different Values.
10. Six Capacitors of Different Values