1.Ingancin bugun jini: Ya kamata bugun jini mai inganci ya zama bai gaza 55mm ba.
2.Gwajin Dorewa: A ƙarƙashin yanayin zafin jiki na yau da kullun, mai hana damfara ya kamata ya yi zagaye 100,000 na turawa a gudun 26mm/s ba tare da wata matsala ba.
3. Bukatar Ƙarfi: A lokacin miƙewa zuwa rufewa, a cikin farkon 55mm na dawowar ma'aunin bugun jini (a gudun 26mm/s), ƙarfin damping ya kamata ya zama 5±1N.
4.Yanayin Zafin Aiki: Ya kamata tasirin damfara ya kasance mai karko a cikin kewayon zafin jiki na -30°C zuwa 60°C, ba tare da gazawa ba.
5.Kwanciyar Hankali: Bai kamata damper ɗin ya fuskanci wani tsayayyen aiki ba, babu wani hayaniya mara kyau yayin haɗuwa, kuma babu ƙaruwar juriya, zubewa, ko gazawa kwatsam.
6.Ingancin Fuskar Sama: Ya kamata saman ya kasance mai santsi, babu ƙaiƙayi, tabon mai, da ƙura.
7.Bin Ka'idojin Aiki: Dole ne dukkan sassan su bi umarnin ROHS kuma su cika buƙatun aminci na abinci.
8.Juriyar Tsatsa: Dole ne damper ɗin ya wuce gwajin feshi mai tsaka-tsaki na tsawon awanni 96 ba tare da wata alamar tsatsa ba.