China Wholesale CCD Spectrometer Factories – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor
China Wholesale CCD Spectrometer 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 |
Product detail pictures:
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Our improvement depends on the superior equipment, excellent talents and continuously strengthened technology forces for China Wholesale CCD Spectrometer Factories – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor , The product will supply to all over the world, such as: Lesotho, Russia, Serbia, With the development of the society and economy, our company will continue the "loyalty, dedication, efficiency, innovation" spirit of enterprise, and we will always adhere to the management idea of "would rather lose gold, do not lose customers heart". We will serve the domestic and foreign businessmen with sincere dedication, and let us create bright future together with you!
By Yannick Vergoz from Thailand - 2017.07.28 15:46
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
By Melissa from Hongkong - 2018.06.26 19:27
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