China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor
China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor Detail:
This Planck’s Constant is used to demonstrate photoelectric effect and calculate Planck’s constant by Einstein’s equation of photoelectric effect.
Specifications
| Description | Specifications |
| Cut-off wavelengths of color filters | 635 nm, 570 nm, 540 nm, 500 nm, 460 nm |
| Light source | 12 V/35 W Halogen Tungsten lamp |
| Sensor | vacuum phototube |
| Dark-current | less than 0.003 µA |
| Precision of accelerating voltage | less than ± 2% |
| Measurement error | approximately ± 10% as compared with literature value |
Parts List
| Description | Qty |
| Main unit | 1 |
| Filters | 5 |
| Power cord | 1 |
| Instruction manual | 1 |
Product detail pictures:
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Our intention should be to fulfill our consumers by offering golden provider, superior price and superior quality for China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor , The product will supply to all over the world, such as: Sri Lanka, Barbados, Montpellier, Our company insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thank all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.
By Quyen Staten from Rio de Janeiro - 2018.05.22 12:13
The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
By Poppy from Mumbai - 2018.06.26 19:27
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