Advance Electronic Industries

SALIENT FEATURES :

ADTRON’s Semi Conductor Device Trainer is versatile and cost effective equipment. It is intelligently designed
keeping in mind the users need. Numerous experiments covering the discrete components of basic and power
Electronics can be performed. The various peripheral components both active and passive are built in. It forms a sort of
“Mini – lab” as every bulky components, like meters, power supplier etc are built – in. A breadboard is also provided to add
any other component, thereby increasing the versatility of the trainer.

TECHNICAL SPECIFICATIONS :
ADTRON’s Semi Conductor Device Trainer consists of the following housed in an elegant metal cabinet.
* Diodes : Bank of 8 diodes.
* Zener Diodes : Bank of 4 zener diodes.
* NPN Transistors : Bank of 4 transistors.
* PNP Transistors : Bank of 3 transistors.
* FET : Bank of 3 FET’s
* UJT : 01 Nos.
* SCR : 01 Nos.
* Diac : 01 Nos.
* Triac : 01 Nos.
* LED : 02 Nos.
* LDR : 01 Nos.
* Coil : 01 Nos.
* Relay : 12V – 1 C.O.
* Speaker : 8E / 0.5W 2 ½” Round.
* Bank of Potentiometer : 4 ( 1K, 10K, 100K 1M ).
* Power Transformer : Py : 230V.
Sy : 9V – 0 – 9V.
* Audio Output Transformer : 2 : 4.
* Voltmeter : Analog ( Dual Range ) 10V and 100V switch selectable.
* Ammeter : Analog ( Dual Range ) 10mA and 100mA switch selectable.
* Resistors : Bank of 30 resistors ( assorted values from 10 W to 820K ).
* Capacitors : Bank of 10 capacitors (assorted values from 0.033 μF to 100 μF ).
* Breadboard : Terminal strip with 640 tie points.
* Power Supplies : DC Regulated with short circuit protection.
1. 0 to 30V / 1A ( continuously variable ).
2. 12V / 250 mA fixed.
3. – 12V / 250 mA fixed.

SALIENT FEATURES :

* Lucidly illustrated User’s Manual un – ravels electronic concept through brief theoretical reviews followed by experiments, self test questions and exercises.
* Built – in power supplies provide all the necessary voltages for experimentation.
* Modularly designed patch panel contains all commonly used discrete components.

TYPICAL EXPERIMENTS :

* Study of major operational amplifier characteristics, open loop gain, output resistance, differential input resistance, unity gain bandwidth, rated output, full power response slewing rate, input offset voltage, input bias current, input noise, current, CMRR, common mode input resistance etc.
* Study of operational amplifier amplifications inverting amplifier, difference amplifier, inverting summing amplifier, voltage follower, differentiator, integrator, log amplifier, limiter, AC – DC converter, etc.
* Study of the characteristics and operation of a high speed voltage comparator ( 710 ). Study of comparator applications :
* Schmitt trigger, pulse width modulator, etc.
* Study of various waveform generators using operational amplifiers, Wein Bridge, Sine cosine, Square wave, Triangular wave, Saw – tooth wave generators, etc.
* Study of active filters.

TECHNICAL SPECIFICATIONS :
* DC Regulated Power Supply : 12V / 500mA ( short – circuit protected ).
-12V / 500mA ( short – circuit protected ).
* AC Supplies : 7.5V. and 18 – 0 – 18V.

GENERAL :
Components on the patch panel includes :
* Operational Amplifier :
IC 741 : 02 Nos.
IC TL061 : 02 Nos.
IC 710 : 01 Nos.
IC 356 : 01 Nos.
IC 3140 : 01 Nos.
* 37 Resistors of assorted values from 100E to 20 Mohms.
* 25 Capacitors ( including Electrolytic ) of assorted values from 100 pF to 10 μF.
* 11 potentiometers for op – amp offset adjustments, & for other applications as required.
* Built – in speaker ( 2 ½ ” round, 8E / 0.5W ).
* Terminal strip solderless, Breadboard, Spring loaded with 640 tie points.

SALIENT FEATURES :

ADTRON’s Instrumentation Tutor is a very versatile training system. It consists of a wide range of transducers, its
various instrumentation and signal processing methods necessary associated power supplies, excitation sources and
various electromechanical jigs and fixtures for actual working of the various transducers.

ADTRON’s Instrumentation Tutor is modular in format, wherein each transducer is treated individually and then,
using the electronic instrumentation, it is shown how they integrate into complete measurement system. The various
transducers covered in this instrumentation tutor utilizes a variety of physical properties so that in total a very
comprehensive treatment of the subject is achieved.

ADTRON’s Instrumentation Tutor is specialized bench – top modular study system divided into 3 parts. It is
suitable for most Engineering disciplines. Here mathematics is kept to minimum level consistent with that necessary to
cover the subject adequately. The coverage is equally suitable for fields of electronics and electrical engineering,
chemical engineering, process control and instrumentation physics and also mechanical engineering.
Instrumentation Tutor Part II consists of temperature measurement setup using different type of sensors and
various sensors for Intensity measurement.

1. MEASUREMENT & CONTROL OF TEMPERATURE USING RTD PROBE :

Temperature controller and indicator using RTD probe is useful in the study and demonstration of the principle and working of a temperature indicator and controller using RTD probe. An electronic closed loop temperature measuring and controlling system with variable set points, special heating unit and digital readout are provided.

TECHNICAL SPECIFICATIONS :

Parameter Measured : Temperature.
Measurement System : Transducer with electronic instrumentation.
Control System : ON / OFF type.
Transducer : RTD probe.
Type : PT – 100, immersion type probe in sheath with flange and flying leads.
Sensor Calibration : Standard PT – 100 to DIN 43760.
Sensor Accuracy : Class B type.
Configuration : Bridge with one arm as RTD probe ( Wheat – stone’s bridge principle ).
Sensor Range : 0 to 400C.
System Range : 0 to 100C.
Actual Heating Process : Heating unit of 200W capacity.
Excitation Source : DC Regulated source.
Set Point : Adjustable over full range.
Readout : 0.5” 3.5 digit digital display ; dual mode to read
a. Set temperature in C.
b. Actual temperature in C.
Controls : 1. Set point controls.
2. Display mode control.
3. Mains ON/OFF control.

• Durable construction
• Based on solid state IC
• Compact design

• Ringer Section
• Keypad Section
• Sound Amplifier Section
• Dialer Section
• Hand set with cut off plunger type switch.
• Fault creating facilities are provided, where by 13 faults can be created.
• Telephone Set Type: Electronic push button type.
• Dialing System: Puls /Tone (selectable).
• Connection: To be connected to a P & T line.
• Ringer Volume: Volume Control for Ringer is provided.
• Keypad Switches: 0,1,2,3,4,5,6,7,8,9,*,# switches are provided.
• Power Required: Derived from the P&T line to which it is connected.

SALIENT FEATURES :

ADTRON’s Instrumentation Tutor is a very versatile training system. It consists of a wide range of transducers, its various instrumentation and signal processing methods necessary associated power supplies, excitation sources and various electromechanical jigs and fixtures for actual working of the various transducers.

ADTRON’s Instrumentation Tutor is modular in format, wherein each transducer is treated individually and then, using the electronic instrumentation, it is shown how they integrate into complete measurement system. The various transducers covered in this instrumentation tutor utilizes a variety of physical properties so that in total a very comprehensive treatment of the subject is achieved.

ADTRON’s Instrumentation Tutor is specialized bench – top modular study system divided into 2 parts. It is suitable for most Engineering disciplines. Here mathematics is kept to minimum level consistent with that necessary to cover the subject adequately. The coverage is equally suitable for fields of electronics and electrical engineering, chemical engineering, process control and instrumentation physics and also mechanical engineering.

Instrumentation Tutor Part IV consists of Measurement of Pressure using Pressure Transducer, Measurement of Force using Transducer.

A. MEASUREMENT OF PRESSURE USING PRESSURE TRANSDUCER :

TECHNICAL SPECIFICATIONS :

Type : Pressure Transducer.
Measurement System : Transducer with Electronic Instrumentation.
Transducer : Diaphragm type with Strain Gauge mounted in bridge configuration.
Range : 0 to 10 Kg / cm2.
Excitation Source : Regulated DC for circuit.
Readout : 3.5 digit digital display in mV DC.

NOTE :

A special chamber with pressure transducer mounted on one side and on the other two valves ( one for connecting pressure pump and one for releasing the pressure ) is provided. Zero and span adjustment facility using two ten potentiometers is provided on the front panel.

B. MEASUREMENT OF FORCE USING TRANSDUCER :

Type : Universal type load cell used in tension mode.
Measurement System : Transducer with Electronic Instrumentation.
Transducer : S beam type load cell with full bridge strain gauge configuration.
Range : 0 to 10 Kg.
Excitation Source : Regulated DC for circuit.
Readout : 3.5 digit digital display in mV DC.
NOTE :
A special arrangement with spring balance coupled to load cell with one end of load cell fixed is provided. Zero and span adjustment facility using two ten – turn potentiometers is provided on the front panel.

For Module IV ( Part IV ) a common digital readout ( for all transducer ) is provided.

SALIENT FEATURES :

• Completely self – contained stand – alone unit.
• Modularly designed total unit for R&D Engineers, Laboratories of Engineering Colleges, Polytechnics, Physics and other Departments and even hobbiests.
• Useful, low currents, mini lab with drastic savings in time and money as implementation/trying of new circuits is very convenient and easy.
• Supply required 230V, 50Hz AC.

THE TRAINER CONSISTS OF :

• SCR’s ( 06 Nos. ).
• Triacs ( 03 Nos. ).
• Diacs ( 03 Nos. ).
• 1 : 1 : 1 Pulse Transformers ( 03 Nos. ).
• Selected values of resistors ( 05 Nos. ).
• Selected values of capacitors ( 05 Nos. ).
• Different types of Transistors ( NPN, PNP, Power Transistor & UJT ).
• Diodes ( High Current ) ( 06 Nos. ).
• Photo Transistor ( 01 Nos. ).
• LDR ( Big ) ( 01 Nos. )
• Photo cell ( 01 Nos. ).
• SUS ( 01 Nos. ).
• SBS ( 01 Nos. ).
• PUT ( 01 Nos. ).
• Resistive load of 100E / 100W.
• Lamp load.
• 10 different values of zener diodes selectable by a switch.
• Three nos. of selected values of potentiometers.
• Built – in various IC based DC Regulated Power Supplies with short circuit protection viz.,
• 0 – 30V /1A ( continuously variable ) load regulation 0.1% 1mV line regulation 0.1% 1mV.
• 12V / 500mA ( regulated ).
• Isolation transformer of 55 – 0 – 55V AC.
• Continuously variable 0 to 230V / 2A Variac.
• SCR and Triac Tester.
• Timer IC 555.
• 2 ½” round, 8E / 0.5 W.
• Breadboard consisting of one terminal strip, tie points 640 and 2 Distributing strips, tie – points 200 ( size 175mm x 61mm).

OTHER FEATURES : 

• Multi – coloured test points at various stages in the circuit to observe the waveforms & Voltages.
• Set of required number of patch cords.
• Housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel.
• Strongly supported by a comprehensive instruction manual complete with theory and operating details.

SPECIFICATION :

Power Electronics trainer is modular type circuits on glass epoxy PCB as front panel. The circuit layout is printed on the glass epoxy PCB with high quality printing. Test tags are provided to observe the waveforms and voltages. LED indicators are provided on each input and output of logic blocks to observe the instantaneous logic level. 2 mm holes test points ( multimeter cord compatible ) are provided at all the points where voltages has to be measured. Built in DC regulated power supply is provided making the kits suitable for operation at 230V AC. The trainer is housed in wooden cabinet with cover for safe keeping of trainer. Necessary connecting leads ( patch cords ), jumper link, detail operating & servicing manual with theory and waveform to be provided.

The trainer provides all detailed study of Power Electronics circuit through their operation & application. The trainer is provided with :

1. Built in UJT & PUT relaxation oscillator with mains synchronisation and isolated output for SCR & TRIAC.

2. Built in high voltage isolated AC 230V & dual 1.2 to 15V / 1A DC power supply.

3. Built in SCR & TRIAC AC phase control circuit by RC & UJT / PUT circuits.

4. Study of AC & DC timer & time delay relay using SCR & TRAIC by on board components.

5. Built in DC motor for study of speed controller circuit.

6. On board SCR, TRAIC, DIAC, UJT, PUT, LDR, PHOTO DIODE, NTC & PTC THERMISTOR, LAMP LOAD, NPN & PNP TRANSISTOR, MOSFET, OPTO ISOLATOR, PHOTO TRANSISTOR, LED, PULSE TRANSFORMERS, DIODES, POTENTIOMETER with 2 mm termination for assembling of circuits through patch cord & solder less breadboard.

7. Set of patch cords ( 25 Nos ) to be provided along the trainer.

8. 1:10 attenuator is provided on board ( 02 Nos ).

Experiments :

1. Study of SCR phase control by UJT, PUT, RC Triggering.

2. Study of TRIAC phase control by UJT, PUT, RC triggering.

3. Study SCR & TRIAC Timer.

4. Study SCR & TRIAC & MOSFET time delay relay.

5. Study of AC load switching by SCR & TRAIC.

6. Study of over & under voltage ALARM circuits.

7. Study of light and dark sensitive switches using SCR & TRAIC.

8. Study of SCR, TRIAC, DIAC, UJT, PUT, LDR, PHOTO DIODE, NTC & PTC, THERMISTOR, MOSFET characteristics.

10. Calculation of chopper efficiency.

STANDARD ACCESSORIES :

1. Detailed Instruction Manual.

2. Set of Patch cords.

SALIENT FEATURES :

* Lucidly illustrated User’s Manual unravels electronics concept through brief theoretical reviews followed by experiments, self – test questions and exercises.

* Built – in power supplies provide all the voltages necessary for experimentation.4 Modularly designed patch panel contains all commonly used discrete components.

TYPICAL EXPERIMENTS :

* Ohms Law, RC – High pass and Low pass circuits, RL – High pass and Low pass circuits, RLC series and parallel resonance circuits, Kirchoff’s Current and Voltage laws.
* Transformer’s turns ratio, Efficiency of a transformer, Relay as a switch.
* Diode characteristics, Clipping and Clamping circuits, Half – wave and Full – wave rectifiers, Zener diode characteristics, Regulators ( Line and Load ), Diode Logic gates.
* Transistor (s) characteristics of CB, CE & CC configurations.
* Transistor (s) amplifiers ( CB, CE & CC ), Power amplifiers, Differential amplifiers, Feedback amplifier current series and current shunt, RC phase shift oscillator, Bistable, Monostable and Astable Multivibrators, Schmitt Trigger, Transistor Logic gates.
* FET characteristics, FET as a source follower, FET as a voltage variable resistor.
* UJT characteristics, UJT as a relaxation oscillator.
* Triac / Diac characteristics, power control using Diac and Triac.

TECHNICAL SPECIFICATIONS

POWER SUPPLY :
* Output voltages available on the front panel from the built – in power supplies are :
1. Output voltage and current : 1. 5V / 250mA.
2. 12V / 250mA.
3. – 12V / 250mA.
4. 0 – 30V / 1A variable.
5. 0 – 70V / 50mA variable.

* All the power supplies are regulated and short circuit protected.
Load Regulation : 1 % ( No load to Full load ).
Line Regulation : 1 % (for 10% variation in line voltage ).
Ripple : < 12 mV rms.

GENERAL :
* Components on the patch panel include the following :
* 6 Bipolar, 1 Power and 1 matched transistor pair, 2 FET, UJT, 1 PUT & 1 MOSFET.
* 9 Diodes and 6 Zener diodes ( of different values ).
* 1 Triac / Diac pair, 1 SCR & 1 LDR.
* 68 Resistors covering all standard values from 10 W to 5 M1 ( carbon film type ).
* 18 assorted values of capacitors from 100 pF to 100 μF.
* Potentiometers ( 2 for variable power supplies, 3 others ).
* 2 Fixed Inductors ( 100 μH, 1 mH ).
* 1 12V / 1 C.O. Relay.
* 1 Audio Transformer ( 2 : 4 ).
* 1 Power Transformer with centre tap ( 12 – 0 – 12 ).
* One speaker : ( 8E / 0.5W ).
* 5 Logic inputs switches with LED indication.
* 5 Output Indicators.
* Breadboard Terminal Strip with 640 tie points.
* 1 Digital Voltmeter ( Dual range ) and 1 Current meter ( Dual range ).

SALIENT FEATURES :
ADTRON’S Electrical Circuit Lab Model – 1034 is a comprehensive and self – contained system
suitable for experimentation and training of electricity circuits which forms the very basic of electrical /
electronic engineering. All necessary equipments for electricity circuit experiments such as power supply,
function generator, analog and digital meter are installed on the main unit. The 11 modules covers a wide
variety of essential topics in the field of electricity circuit. It is indeed a time and cost saving system for both
students and researcher interested in training, developing and testing circuit prototypes.
Ideal for very basic electricity / electronic circuit experiments and design exercises.
Integrated trainer with experiment modules & complete curriculum.
Complete with power supplies and test systems for easy and efficient experimentation.
Expandability and flexibility of experiments greatly increased with universal breadboard ( 1680 tie –
points ) for circuit design and prototyping.
All modules equipped with an 8 – bit DIP switch for fault simulation.

TECHNICAL SPECIFICATIONS

SALIENT FEATURES :

User’s Manual details experiments that takes one on a planned journey through the micro electronic world of linear IC building blocks such as Op - amps, Timers, Voltage regulator IC’s etc.

Built - in power supplies provides all necessary supplies for experimentation.

Patch panel contains all commonly used Linear IC’s.

 TYPICAL EXPERIMENTS :

Study of major operational amplifier characteristics open loop gain, output resistance, differential input resistance, unity gain bandwidth, rated output, full power response, slewing rate, input offset voltage, input bias current, input noise current, CMRR, common mode input resistance, etc.

Study of operational amplifier amplifications inverting amplifier, non-inverting amplifier, difference amplifier, inverting summing amplifier, voltage follower, differentiator, integrator, log amplifier, limiter, AC - DC converter etc.

Study of the operation of monolithic voltage regulator (723).

Verification of regulator characteristics.

Study of the characteristics and operation of a high speed voltage comparator ( 710 ), study of comparator applications, Schmitt trigger, pulse width modulator, etc.

Study of operation and characteristics of a Timer ( 555 ).

Applications of timers in systems and circuit.

Study of Phase Lock Loop ( 565 ), Measurement of important PLL characteristics: lock range, capture range, VCO sensitivity, VCO linearity etc.

Power Supply  :  Output Voltage available on the front panel from the built - in

power supplies are :

 Output Voltage & Current  : + 12V / 500mA - 12V / 500mA.

STANDARD ACCESSORIES :

 1. Detailed Instruction Manual.

2.Set of Patch cords. 

1. Ideal tool for learning the basics of digital logic circuits.
2. Suitable for combined logic, sequential logic, microprocessor circuits designing &
experiments.
3. Comprehensive power supply, signal and testing devices for convenient experiments.
4. Expandability and flexibility of experiments greatly increased with universal breadboard ( 1680 tie –
points ) for circuit design and prototyping.
5. Capable of processing TTL, CMOS, NMOS, PMOS & ELC Circuits.
6. All supply units are equipped with overload protection for better safety.

TECHNICAL SPECIFICATIONS

1. DUAL DC POWER SUPPLY :
1. Voltage Range : 5V / 1.5A; -5V / 0.3A; 12V, 0.3A.
2. With output overload protection
2. ADJUSTABLE DC POWER SUPPLY :
1. Voltage Range : 0 to 15V.
2. Maximum Current Output : 0.5A.
3. With output overload protection.
SIGNAL GENERATOR :
All Signal generator has independent and simultaneous TTL and CMOS level output terminal. CMOS
level output range from 0 to 15V and is controlled from the voltage adjustment knob of the adjustable DC
Power Supply.
3. STANDARD FREQUENCY :
1. Frequency : 1MHz, 50Hz, 1Hz.
2. Accuracy : 0.01% ( 1MHz ).
3. Fanout : 10 TTL load.
4. CLOCK SIGNAL GENERATOR :
1. Frequency : 1Hz ~1MHz ( 6Ranges ).
a. 1Hz ~ 10Hz.
b. 10Hz ~ 100Hz.
c. 100Hz ~ 1KHz.
d. 1KHz ~ 10KHz.
e. 10KHz ~ 100KHz.
f. 100KHz ~ 1MHz.
5. DATA SWITCH :
1. 2 x 8 – bit DIP switch, 16 – bit TTL level output.
2. 4 x toggle switch, each with DEBOUNCE circuit.
3. Fanout : 10 TTL load.
6. PULSER SWITCH :
1. 2 sets of independent control output.
2. Each set with Q, Q’ output, pulse width > 5mS.
3. Each set of switch with DEBOUNCE circuit.
7. LINE SIGNAL GENERATOR :
1. Frequency : 50Hz.
2. Output Voltage : 6V rms.
3. With overload protection.
8. THUMBWHEEL SWITCH :
2 digit, BCD code output, common point input.

DISPLAY :
9. LOGIC INDICATOR :
1. 16 sets of independent LED to indicate high and low logic state.
2 Input Impedance : < 100KW.
10. DIGITAL DISPLAY :
1. 4 sets of independent 7 segment LED display.
2. With BCD, 7 segment decoder / driver and DP input terminal.
3.. Input with 8 – 4 – 2 – 1 code.
TESTING DEVICES :
11. LOGIC PROBE :
1. TTL and CMOS level.
2. 3mm LED displays.
3. “LOW” and “HI” LED displays low and high logic state respectively.
12. SPEAKER :
1. An 8Ω, 0.5W speaker with driver circuit.
13. BREADBOARD MODULE :
1. 1680 tie point breadboard on top panel can be easily put into and taken off.
14. ACCESSORIES :
1. Connect Lead : 1. 2mm – 0.65mm, 300mm L 06 Nos.
2. 2mm – 2mm, 450mm L 10 Nos.
2. Test Probe : 2mm – 2mm, 600mm L 01 No.
3. User”s Manual.
4. AC Cord.
5. Fuse.
6. Fuse.
EXPERIMENT MODULES :
All 21 modules are equipped with an 8 bit DIP switch for fault simulations. Users learn how to solve
various problems by setting the DIP – switch to different positions.
Solutions for all faults are listed in the experiment manual for user’s reference.
2mm plugs and sockets used throughout the lab and all modules.
Comprehensive experiment and instructor’s manual.

SALIENT FEATURES :

ü          Completely self - contained stand - alone unit.

ü          Basic training of logical techniques used in digital electronics with over 25 experiments on gates, flip - flops, registers, counters, decoders, digital displays etc.

ü          Supply required 230V, 50Hz, 1f AC.

ü          Built - in IC Based DC regulated power supply with short circuit protection and LED indication for supply “ON” 230V AC Mains.
The trainer consist of :

1.         Four Nos. NOT ( Inverter ) gates.

2.         Four Nos. AND gates.

3.         Four Nos. OR gates.

4.         Four Nos. NAND gates.

5.         Four Nos. NOR gates.

6.         Four Nos. EX - OR gates.

7.         Four Nos. EX - NOR gates.

8.         Four Nos. JK flip - flops with J, K, Q, Q’, CLK, PR and CLR on panel.

9.         Eight Nos. Logic High / Low outputs.

10.        Eight Nos. Logic level indicators.

11.        One No. Bounce less manual pulsar useful for freezing the action of each stage of the counter after every clock pulse.

12.        One No. Low frequency clock generator for observing continuous action ( approximately 1 Hz to 10

            Hz ).

ADTRON’S Signal generator demonstrator is a versatile, stand – alone unit useful in the study of generation of sine and square waves. The unit consists of an oscillator, amplifier and a calibrated dial. The sine / square waves are generated in the range of 1Hz to 1MHz in Six ranges. The unit is housed in a specially designed user friendly elegant powder coasted metal cabinet with our intelligently designed layout on the front panel.

TECHNICAL SPECIFICATIONS

Parameter Generated : Sine and Square waves.
Output Waveforms : a. Sine Wave.
b. Square Wave.
Output Frequency : 1Hz to 1MHz Six ranges.
Output Amplitude : a. Sine Wave – 10mv – 30V (pp ).
b. Square Wave – 0 to 15V (pp ).
Duty Cycle Variable : 0 to 70 % (Square Wave).
Impedance : 600 Ohms.
Controls : a. Mains ON / OFF
b. Caliberated five frequency.
c. Duty Cycle.
d. Frequency range selector.
Indicators : a. Mains ON / OFF
Test Points : Multi – coloured test points are provided at various stages in the
circuit to observe waveforms and voltages.
Power Requirements : 230V, 50Hz, 1f.
Panel Size : 10” x 13’.
Standard Accessories : 1. Detailed Instruction Manual.
2. 15” Length Patch Cords with 4mm terminations on both sides ( 02 Nos ).