ELECTRICAL and ELECTRONICS ITEMS

Frequency Meter Digital suitable for armature motor rewinding and electrical testing laboratories. Measuring range 20 Hz to 99.9 Hz. Suitable for standard 50 Hz and 60 Hz AC power supply. High brightness 3 digit or 4 digit red LED display. Operating voltage 110 V to 230 V AC at 50 Hz. Accuracy 0.1 Hz. Display resolution 0.01 Hz or 0.1 Hz. Panel mounting type. Panel cutout size 96 mm x 96 mm or 48 mm x 96 mm. Durable ABS plastic or polycarbonate enclosure.

Electric load Set of Incandescent lamp 100 watt 10 pieces, Tube light-40 watt 10 pieces, CFL-10 watt 10 pieces, LED light 9 watt 10pieces

WITH DC FUSE, DC MCB, AND SURGE SUPPRESSOR PROTECTION

The setup shall consist of electrical control elements suitable for practicing control circuits using banana plugs and sockets for easy and safe connections. The panel board shall be fabricated using a sturdy 40 mm x 40 mm aluminum conveyor frame, incorporating a main input panel with provisions for connecting two bulbs, tube light, AC fan, digital ammeter, voltmeter, energy meter, intermediate switch & house bell wiring. The assembly shall be mounted on a mild steel table, topped with 18 mm ply glossy finished with a durable laminate surface & all 4 sides shall be fitted with a PVC edge band for added protection and an aesthetically clean finish.

TECHNICAL SPECIFICATIONS Fixed DC Power Supply IC Regulated +5V DC and +/-12V DC 250mA. Variable DC Power Supply IC Regulated 0-5V DC and 0-12V DC 250mA. AC Power Supply 15-0-15V AC 250mA. Operated on mains power 230V 50Hz plus or minus 10 percent. Variable Resistors 1K 10K and 100K provided on board. 3 pairs of connected 2mm sockets. Rectifier Diodes 4 Nos Diode 4007. OA79 Germanium Diode. Zener Diodes 3 Nos of 5.1V 8.2V and 12V. Different values of resistances capacitors and inductors including 2 Nos of 10mH. DIAC DB33. SCR 2P4M. TRIAC BT136. MOSFET IRF540. UJT 2N2646. JFET 2N4393. SL100 and SK100 pair. LDR. Thermistor. Buzzer 1 each and LEDs 2 Nos Red and Green. 1 Buzzer. SALIENT FEATURES Front panel built with high class insulated printed circuit board sheet with well printed circuits and symbols. Instruction Manual. Connections brought out through 2mm Brass Sockets. Patch Cords 2mm. Trainer housed in ABS Plastic cabinet. Size of trainer set 12 inch x 8 inch. STANDARD ACCESSORIES User Manual. Patchcords. LIST OF EXPERIMENTS 1 PN Junction Diode V-I Characteristics. 2 Zener Diode V-I Characteristics. 3 Voltage Stabilization of Zener Diode. 4 LED Characteristics. 5 Resistance in Series and Parallel. 6 Charging and Discharging of Condenser. 7 LCR Resonance Circuit. 8 Clipping and Clamping. 9 Half Wave Full Wave and Bridge Rectifier. 10 Common Base Transistor Amplifier. 11 Common Emitter Transistor Amplifier. 12 Common Collector Transistor Amplifier. 13 RC Coupled Amplifier. 14 Basic Logic Gates. 15 RC Passive Filter Circuits and many more.

The setup shall be suitable for practicing control circuits using banana plugs and sockets. It shall include Protector Relays operating at a working voltage of 230V AC, with under-voltage settings between 160-220V, over-voltage settings between 230-300V, and a fixed time setting of 2.5 seconds. The panel shall be constructed using a 40 mm x 40 mm aluminum conveyor frame and shall feature a main input panel equipped with a push-button station, an under and over voltage protection relay and a contactor station, with all terminals brought out for trainees to practice wiring exercises. The entire assembly shall be mounted on a mild steel table, topped with 18 mm thick plywood, finished with a durable laminate surface and edged on all four sides with PVC edge banding for protection and a clean appearance.