Educational trainer


Experimental Set-Up has been designed specifically for the determination of PLANCK'S CONSTANT by means of LED.

The set up is absolutely self contained and requires no other apparatus.

Practical experience on this set up carries great educative value for Science and Engineering Students.

OBJECT: Study of Planck's Constant by means of LED

FEATURES: The Complete Experimental Set-up consists of following items:


01. 0-5V DC at 2mA, continuously variable IC regulated and short circuit protected Power supply with 1K ten turn potentiometer for fine voltage control.

02. Digital panel meter 3½ digit 20 Volt DC

03. Digital panel meter 3½ digit 2000mA DC

04. For different colour LED'S (Red, Yellow, Blue, Green)

05. Mains ON/OFF switch & Fuse.

The unit is operative on 230V ±10% at 50Hz AC

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