China Wholesale photoelectric effect Factories – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor
China Wholesale photoelectric effect 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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We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers for China Wholesale photoelectric effect Factories – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor , The product will supply to all over the world, such as: Chile, Moldova, Iraq, Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.
By Doris from Anguilla - 2017.08.18 18:38
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 Candy from San Diego - 2017.11.20 15:58
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