| 摘要 |
PCT No. PCT/GB93/01694 Sec. 371 Date Jan. 19, 1995 Sec. 102(e) Date Jan. 19, 1995 PCT Filed Aug. 10, 1993 PCT Pub. No. WO94/04905 PCT Pub. Date Mar. 3, 1994A personal dust sampler hangs from a ribbon (10) attached to the user's clothing and requires no pump or power source. Dust in the air is captured by a charged PVC sheet (2) exposed at (2a) but framed by a metal foil (25) and surmounted by a metal conductor plate (6) parallel to the charged PVC sheet (2). The plate (6) is supported by conductive gridwork (3) removably attached by a flange (3) to a metal base (21). The dust captured is determined in a method by weighing or by measuring the charge loss of the PVC sheet (2).
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