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

Related Product Guide:
With our leading technology also as our spirit of innovation,mutual cooperation, benefits and development, we are going to build a prosperous future jointly with your esteemed company for China Wholesale Microwave Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor , The product will supply to all over the world, such as: Wellington, New Zealand, Vietnam, We've been adhering to the philosophy of "attracting customers with the best items and excellent service". We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.

Write your message here and send it to us