China Wholesale Dual beam IR spectrophotometer Suppliers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor

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China Wholesale Dual beam IR spectrophotometer Suppliers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor Detail:

Planck’s Constant Experimental System applies the photoelectric effect to measure the current-voltage (I-V) characteristic curves of a photocathode against monochromatic light at different frequencies.

Experiment Examples

1. Measure I-V characteristic curve of a photoelectric tube

2. Plot U- curves

3. Calculate the follows:

a) Planck’s constant h

b) Cut-off frequency ν of cathode material of a photoelectric tube

c) Work function Ws

d) Verify Einstein’s equation

Specifications

Description	Specifications
Light Source	Tungsten-halogen lamp: 12V/75W
Spectral Range	350~2500nm
Grating monochromator
Wavelength range	200 ~ 800nm
Focal length	100mm
Relative aperture	D/f = 1/5
Grating	1200l/mm (blazed@500nm)
Wavelength accuracy	±3nm
Wavelength repeatability	±1nm
Photoelectric Tube
Working voltage	-2~ 40V continuously adjustable, 3-1/2 digital display
Spectral range	190~700nm
Peak wavelength	400±20nm

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The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.

By Fay from Italy - 2018.09.21 11:44

This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.

By Carey from Argentina - 2017.02.28 14:19

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