型號90/06   No. 90/06 小型臺式玻璃應(yīng)力檢測儀   Small table model 適合檢查小件 – 沒有腳踏開關(guān)   Suitable for checking small pieces - without foot pedal switch 光源：E 14螺口燈泡, 25瓦 – 230 伏, 50Hz 分析器直徑：                                   70 mm 偏光器直徑：                                   70 mm 偏光器和分析器之間較大距離：      約 100 mm                                                               Light source: bulb with thread E 14, 25 Watts – 230 Volts, 50 cycles Diameter of analyzer:                                              70 mm Diameter of polarizer:                                              70 mm Max. distance between analyzer and polarizer:                                                                       appr. 100 mm