China Wholesale Microwave Suppliers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor
China Wholesale Microwave Suppliers – 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 |
Product detail pictures:

Related Product Guide:
With our loaded practical experience and thoughtful solutions, we now have been identified for a trusted provider for numerous intercontinental consumers for China Wholesale Microwave Suppliers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor , The product will supply to all over the world, such as: Denmark, United States, Madrid, The company has numbers of foreign trade platforms, which are Alibaba,Globalsources,Global Market,Made-in-china. "XinGuangYang" HID brand products sell very well in Europe, America, Middle East and other regions more than 30 countries.

This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!

Write your message here and send it to us