Planck's constant measuring instrument (340242275)

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Product Overview

Description



Product Description


Planck's constant measuring instrument


Art No.20802.01


To make the experiment about rule of photoelectric effect


& calculate Planck's constant according


to Einstein's equation of photoelectric effect.


Sensitive component:Vacuum phototube


Color filter:635nm,570nm,540nm,460nm


Dark current:=0.003µA


Precision of accelerate voltage:=2%


Light source:12V/30W,halogen tungsten lamp


Length of the guide:395mm


Power supply:220V/50HZ


20802.01.jpg





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Packaging & Shipping




Our Services


(1) High quality with competitive price


(2) More than 10 years export experience
(3) CE,SGS, ISO Certificated
(4) OEM SERVICE AVAILABLE
(5) 24 HOURS’ ONLINE SERVICE FOR PROBLEM SHOOTING (SKYPE,Trademanager)





Company Information









Ningbo Kelsun Int’l Trade Co., Ltd. is a professional manufacturer and distributor of science & educational apparatus for primary schools, middle schools, colleges & universities. Being a company whose range covers Physics Appa., Chemical Appa., Biology models, Laboratory equipments, Glasswares & Porcelainwares etc, we have been exporting all kinds of products to many countries all over the world for many years.


 


All the time, we insist on the quality first & customers’ satisfaction, working & operating the new products with new materials, new design ceaselessly to remain our company at the forefront in the field of science & education. And also we have considerable expertise and capacity to design and manufacture the specific products according to the customers’ standards, deliver the specific products in an efficient manner. 


 


Well-designed, good quality products, reliable & competitive prices, sincere & warm service, all these have earned us a very good reputation from our customers. Besides, we firmly believe that the long-term cooperation is based on mutual understanding & trust. Welcome both old & new customers’ cooperation for mutual benefit in the near future!



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340242275
1.7284 s.