Rotary encoder change?

[love58wo]

您好：DSO Shell的旋轉編碼器確定損壞了，請問應該購買那一種規格的呢？例如定位數？脈衝數？~謝謝~

Hello: DSO Shell rotary encoder to determine the damage, I would like to ask that should buy a kind of specifications? For example, The number of pulses ,Thank you!

[Chee]

Not 100% the same but close, pls double check with the seller if the 3 pins are encoder and 2 pins are push button:
http://www.dx.com/p/maitech-5-pin-short ... S6-hWURW00