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Klinger Scientific Planck Constant Apparatus 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. Specifications Input Voltage – 12V DC. Current Rating – 5 A Max. Heater Power – 40 Watt. Temperature Range- 0 – 110⁰C.
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$495.00