EXPERIMENTAL SETUP FOR THE DETERMINATION OF PLANCKS CONSTANT USING LED B15

Model No: PSAW-568

PARAMETERS:

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.
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 LEDs : Yellow LED:? 5mm, λ 590nm. Red LED:? 5mm, λ 700nm. Green LED: ? 5mm. λ 568 nm. Orange LED:? 5mm, λ 610nm.