China Wholesale Electron Spin Resonance Factories – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor

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We have now probably the most innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for Rotate Liquid, Electron Spin Resonance, Microwave Diffraction, Together with our efforts, our products and solutions have won the trust of clients and been very salable each here and abroad.

China Wholesale Electron Spin Resonance Factories – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor Detail:

Demonstration of the photoelectric effect, measure the characteristic curve of a photoelectric tube, verify the existence of “red limit” frequency, and calculate Planck’s constant according to the Einstein’s equation of photoelectric effect

Specifications

Description	Specifications
Wavelength of filters	365 nm, 405 nm, 436 nm, 546 nm, 577 nm
Size of apertures	2 mm, 4 mm, 8 mm, 10 mm, 12 mm
Light source	50 W Mercury lamp
Photocell	Wavelength range: 340 ~ 700 nm
	Cathode sensitivity: ≥1 µA (-2 V ≤ UKA ≤ 0 V)
	Anode dark current: ≤5×10^-12 A (-2 V ≤ UKA ≤ 0 V)
Current range	10^-7 ~ 10^-13 A, 3-1/2 digit display
Voltage range	I: -2 ~ +2 V; II: -2 ~ +20 V, 3-1/2 digit display, stability ≤0.1 %
Zero drift	< ±0.2% of full scale (for scale 10^-13 A) within 30 minutes after warm-up
Measurement method	Zero current method and compensation method
Measurement error	3%

Parts List

Description	Qty
Main Unit	1
Electric Control Unit	1
Special BNC Cable	2
USB Cable	1
Software CD	1
Power Cord	1
Instructional Manual	1

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By Kelly from Botswana - 2017.01.28 18:53

The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!

By Rosemary from Germany - 2017.05.21 12:31

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