Home > Products > solar radiometer > RMH75165T-M1 Crookes Radiometer Photovoltaic Windmill Bolometer Physics Inquiry Instrument
RMH75165T-M1 Crookes Radiometer Photovoltaic Windmill Bolometer Physics Inquiry Instrument
- 300000 Piece / Pieces per Month
- shanghai
- T/T
Product Details
Place of Origin: | Jiangsu, China | Brand Name: | GLASSMAN Crookes Radiometer | Model Number: | RMH75165T-M1 Crookes Radiometer |
Power: | Other, radiation | Usage: | Glass Testing Instrument |
Product Description
RMH75165T-M1 Crookes Radiometer
A Crookes' radiometer has four vanes suspended inside a glass bulb. Inside the bulb, there is a good vacuum. When you shine a light on the vanes in the radiometer, they spin -- in bright sunlight, they can spin at several thousand rotations per minute!
The vacuum is important to the radiometer's success. If there is no vacuum (that is, if the bulb is full of air), the vanes do not spin because there is too much drag. If there is a near-perfect vacuum, the vanes do not spin unless they are held in a frictionless way. If the vanes have a frictionless support and the vacuum is complete, then photons bouncing off the silver side of the vanes push the vanes, causing them to rotate. However, this force is exceedingly small.
If there is a good but incomplete vacuum, then a different effect called thermal transpiration occurs along the edges of the vanes, as described on this page. The effect looks as though the light is pushing against the black faces. The black side of the vane moves away from the light.
Material | glass material : hollw high borosilicate glass |
Color | Can be customized |
Size | height:21cm Can be customized. |
MOQ | 500PCS |
Samples Time | (1) 5-7days-If you want to customize your logo. (2) 1day-For our existing samples for reference. |
OEM Accepted | Yes |
Certification available | ISO9001:2000;ISO14000;OHSAS18000;Wal-mart audit passed |
Production Capacity | 300,000pcs Per month |
Payment Term | (1) L/C,T/T,PAYPAL (2) We also can provide a monthly statement payment services. |
A:For packaging,commonly we use styrofoam packing with brown box,and if your order could reach 2000pcs,we can provide free color box to you.
B:Ordinary carton or color box packing or as clients request(poly bag, bubble bag, Styrofoam , gift box, window box, PVC box, blister box)
C:For shipping, Sea or air shipment is for customer's selection.
Established in 1997, Yancheng Glassman Arts & Crafts continues to be a leading company in the fields of glass Galileo Thermometers, Crooks Radiometers, glass sand timers, sand pendulums, neon tubes and neon clocks. We consistently launch new and innovative items that appeal to diverse markets worldwide.
Our company employs 230 people and has been recognized for social and industrial compliance through achieving ISO9001 and SA8000 certification. In 2007 we invested USD $6,000,000.00 to build a modern factory of about 42,000 square meters to house our office, manufacturing, packaging and quality control departments together on one campus. Our quality control of both general items and scientific instruments is regarded as the best in the industry thanks to the neatness of our workshops and our years of experience. Our products have been distributed by famous supermarkets worldwide including Wal-Mart, Carrefour and Lidl as well as numerous distributors with demands of the highest quality.
If you are interested in any of our products please feel free to contact us for more information. We invite you to join us in developing a beautiful future together!
1) Most of our company’s products are pure handmade. It’s lampworking.
2) Products are made of non-toxic harmless components. Our products are quite safe.
3) We have our own factory so delivery could be within agreed time. We are punctual and trustworthy.
4) Our product line is rich and the output is big. Support to meet the different needs of different customers.
5) New product design development, production and export of foreign enterprises. Advanced production technology, innovative design.
6) The product of our company is a new technology products, timing, and forecast the weather and temperature display. The technology is advanced.
7) Our company insists on independent development and production, it is helpful for the staff to be familiar with the products, improve the export profits, understand the market changes.
8) The glass we used is borosilicate glass. Its low expansion rate, high temperature, high strength, high hardness, high transmittance and high chemical stability characteristics make it become the good performance glass.
Welcome all interested buyers to establish cooperation with us based on mutual benefits. For more details, please feel free to contact us, we will reply you within 24 hours anyhow.
Welcome to send us the inquiry at any time !
Contact Us
- Yancheng Glassman Arts & Crafts Co., Ltd.
- Contact nameGuo Jianjun
- Phone86-515-88268808
- AddressNo. 11 Feichi Avenue, Tinghu Development Zone, Yancheng Ctiy, Jiangsu Province. China Yancheng,Jiangsu
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