| 摘要 |
<p>PURPOSE: To provide a small-sized compact filter paper holder which has a recording means for recording the measurement points and sampling conditions used for the dust collector of a dust monitor and is easy to be handled for a transporting and mounting unit. CONSTITUTION: The filter paper holder 2 comprises a memory 5 having a memory IC51 for writing and holding encoded measurement points and sampling conditions and an antenna coil 53 for reading the data of the IC51 for responding, and supplying power by electromagnetic induction, and being sealed in a memory container 22 which is provided with a terminal for writing data in the IC51 and provided in the holder body 2.</p> |
