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This Instrument is design to demonstrate the method to transmit signals via. Electromagnetic transmission and to study the Phase Shift Keying Modulation and Demodulation. Whole instrument is placed in plastic moulded box and 2 mm banana plug leads are provided for modulation and demodulation connections.

Technical Specification:-
1. Fixed Output DC Regulated Power Supplies of ±12 V and ±5 V.
2. Built in Carrier wave Generator (Sine Wave) of 5 Vpp, 22 KHz ± 5% Frequency range with output on sockets.
3. Built in Data Generator using IC 7490 with four modulating signal outputs on sockets.
4. IC TL084 & IC 7486 are using for PSK demodulator.
5. Circuit diagram is printed on the milky white top panel and important connections are brought out on the sockets.

For measuring and analysing gas given off by plants.Comprises a 1 mm bore capillary tube graduated 0-10 cm in mms and connected to two 2 ml syringes. The gas can be drawn along the capillary by one syringe and collected into he other for analysis, mounted on board.

Consists of: 1. Eight Plano-convex lens fl 500 mm, 1 Plano convex lens of fl 150 mm. 2. Twelve lens holders. 3. Four plates of different apertures, 32, 22, 11 and 5.5 mm diameter resp. 4.Three plates with small holes in circles of 29, 22, 10 mm diameter 5. One plate with circular aperture of 5.5 mm diameter 6. Four multi-aperture plates. 7. Four stop plates. 8. Two slide holders. 9. Six translucent screens. 10. Ten white cards. 11. Four Eye-pieces. 12. Fifteen each Red, Green and Blue filters. 13. Forty Black cards with holes. 14. Forty razor blades. 15. 120 Rubber bands. 16. One piece black chiffon for diffraction effects.

Made of polypropylene, this Pipette Box is designed in such a way that it can hold pipettes of different lengths. The top of the box screws on the bottom and the height can be adjusted by screwing or unscrewing the top.

Friendly, efficient and reliable electronic pipette filling instrument. Designed for ease and comfort to suit all types of liquid handling needs in every Laboratory. Available in two attractive designs to cater individual preference.

FEATURES :
• Two LEDs
– Red – low charging
– Green – Charging status.
• Continuous adjustment of pump speed during operation.
• An universal Silicon collect is provided to accept all standard pipettes up to 100ml. Internal knurlings on the collet holds the pipette firmly.
• Comfortable grip.
• In-line membrane filter (0.2 micron) prevents
a. Aerosol Contamination.
b. Liquid from entering the equipment by accident.
• Ni-MH 3.6V rechargeable batteries are used in combination with low power consumption circuit and vacuum/pressure pump. Allows eight hours of continuous operation.