China Wholesale Raman Spectrometer Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor

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China Wholesale Raman Spectrometer Manufacturers – 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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In the past few years, our business absorbed and digested advanced technologies both equally at home and abroad. In the meantime, our company staffs a group of experts devoted to your advancement of China Wholesale Raman Spectrometer Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor , The product will supply to all over the world, such as: Islamabad, Kuala Lumpur, Malawi, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, now we have gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.

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Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.

By Barbara from Czech - 2017.03.07 13:42

Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces，a nice business partner.

By Letitia from Vietnam - 2018.09.21 11:01

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