ft-105c astm塑料表觀密度儀 astm d1895表觀密度測試儀符合標(biāo)準(zhǔn):依據(jù)astm d1895 03 standard test methods for apparent density, bulk factor, and pourability of plastic materials 1 ; apparatus for appar
水中負(fù)電位儀,日本水素orp-2000水電解水電位orp檢測儀日本水素orp-2000水電解水電位orp檢測儀,水中負(fù)電位儀參數(shù): 范圍:-1999mv~1999mv精度:± 2% fs分辨率:1mvatc:n/a電源:3v x 2 cr2032尺寸:33.5 x 170 mm重量:85g