An tsara ma'aunin gwajin iska da kuma ƙera shi don takarda na siminti, takarda jakar takarda, takarda na USB, takarda kwafi da takarda tace masana'antu, da dai sauransu, don auna girman girman iska, kayan aiki ya dace da iska tsakanin 1 × 10-2 ~ 1 × 102um/ (pa.s), ba don takarda da babban m surface.
Wato, a ƙarƙashin ƙayyadaddun yanayi, lokacin naúrar da bambancin matsa lamba, yanki na takarda ta hanyar matsakaicin iska. Yawancin nau'ikan takarda, kamar takardar jakar siminti, takarda jakar takarda, takarda na USB, takarda kwafi da takarda tace masana'antu, suna buƙatar auna ƙarfinta, wannan kayan aikin an ƙera shi da kera kowane nau'in takarda. Wannan kayan aiki ya dace da haɓakar iska tsakanin 1 × 10-2 ~ 1 × 102um / (pa. S), bai dace da farfajiyar babban takarda mai laushi ba.
Mitar numfashi ta dace da QB/T1667-98 "Takarda da kwali na numfashi mai gwadawa", GB/T458-1989 "Hanyar ƙayyade numfashi na takarda da kwali" (Schobol). Iso1924/2-1985 QB/T1670-92 da sauran ma'auni masu dacewa.
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Lokacin aikawa: Fabrairu-23-2022