Planck Constant Apparatus


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Planck’s Constant Measuring Instrument is used to determine Planck’s constant, “h” using LEDs. The setup comes with a voltmeter, temperature meter, a heating element with an ON/OFF toggle switch, and the following LEDs (Amber, Blue, Yellow, Red, and Green LED) which can be selected by a rotary switch. Ammeter can be connected externally to the instrument.


Input Voltage – 12V DC.
Current Rating – 5 A Max.
Heater Power – 40 Watt.
Temperature Range- 0 – 110⁰C.


In Stock