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Planck’s Constant By Led

SKU Item Code: SK014 Category

Principle and Working:

Additional information

Salient Features

  • Variable Voltage source 0-2V , Resolution 1mV.
  • Measuring Current meter 0-20mA, Resolution 0.001mA.
  • Built-in Temperature sensor in Oven.
  • Variable temperature control unto 65° Celsius.

Objectives

  • Determination of material Constant h.
  • Determination of Temperature Coefficient of Current.
  • Determination of Planck’s Constant by LED method.

Technical Data

  • Plank constant : V-I and T-I mode, In V-I mode Display 3½ digit, 7segment LED, Voltage Range 0.000- 2.000V, Current Range 0-2000mA In T-I mode, Display 3½ digit, 7segment LED, Current Range 0-20mA, Temp. Range ambient to 65.0°C,
  • Oven : Temp. sensor Pt100, Heating Element 20Ω Heater at pin 4 & 5, Temp. sensor at pin 1 & 2, Oven Connector 5 Pin DIN type, LED Connector 3 Pin, DIN type
  • Sample LED’s : Yellow, Dia. 5mm, Wave length 590nm Red, Dia. 5mm, Wave length 700nm Orange, Dia. 5mm, Wave length – nm

Scope of Delivery

  • 1 Planck’s constant apparatus
  • 1 Oven
  • 1 LED red
  • 1 LED yellow
  • 1 LED Orange
  • 2 LED Green
  • 1 Power cord
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