Study of Planck’s Constant using LED (V-1 &T-I characteristics)
Project Information
- Category: ENGINEERING LAB EQUIPMENT
- Sub Category: ELECTRONICS ENGINEERING LAB EQUIPMENT
- Model Number:
- Category: ENGINEERING LAB EQUIPMENT
Description
Study of Planck’s Constant using LED (V-1 &T-I characteristics)
Product Code :GE 272
EXPERIMENTAL SET-UP
1) To draw I-V characteristics of LED
i) Variable Voltage Source
Range; 0-1.95 V Variable
Resolution; 1 mv
Accuracy; ±0.2%
Display; 3% digit LED DPM
ii) Current Meter
Range:0-2000 JA
Resolution: 1 JA
Accuracy: ±0.2%
Display: 3% digit LED DPM
2) To draw T-I characteristics at Constant Applied Voltage
i) Current Meter
Range; 0-20 mA
Resolution: 10 JA
Display: 3% digit LED DPM
ii) Temperature Controlled Oven
Range; Ambient to 65°C
Resolution: O.rc
Stability: ±0.2°C
Display: 3% digit LED DPM
iii) Variable Voltage source of 1st section is used to apply a constant voltage.
DESCRIPTION OF APPARATUS
MAINS ON/OFF SWITCH :To switch ON/OFF the instrument,
VOLTAGE ADJ KNOB: To adjust voltage
VOLTAGE/TEMPERATURE DPM: Read voltage in V-I mode and temperature of oven in T-I mode.
LED SOCKET: To connect LED samples
CURRENT DPM : Display current in mA.
V-I/T-I SWITCH: A two WAY SWITCH TO SWITCH THE SYSTEM BETWEEN V- mode
and T-I mode.
TEMPERATURE CONTROLLER
a) ON/OFF: Switch for oven.
b) OVEN: Socket on the panel is to connect the external oven.
c) SET-TEMP: Knob to set the temperature
d) OVEN: It is a small oven with built-in RTD sensor.
Technical Details
Clients
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