国产chinesehdxxxxtube免费_久热香蕉视频_好男人社区资源www在线播放_女女互慰视频

Wel come to Hangzhou JingKe Instrument Co., Ltd.

Add to Favorites | 中文版 | English

Product

Product name：FB721 type altese cross tube demonstration instrument

Product Details

☆Cathode heating voltage: Uf=6.3V; heating current: If=1.5A: high voltage: Uo=1.5~5KV;
☆Vacuum degree of Maltese cross tube:<10-4Pa;diameter:D=90mm; length of electron beam:26mm;
☆Field coil: N=320T, R=62.5mm;
☆The instrument is equipped with special high voltage power supply. 

Order

Respected customers:
Thank you for browsing our website, please fill in following information, (* is required), and it will be sent via E-mail, we will contact you, thank you!

Your name: *
Company name: *
Address:
Post code:
Country:
Tel: *
Fax:
E-mail: *
Website:
Details: *
verification code:
   
【Previous one： FB710B type electron charge-mass ratio tester (split type, export product) 】 【 Next：FB719 type Thomson electron beam tester 】      【Return】