| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water quality analyzer capable of performing measurement with high accuracy by eliminating an adverse effect to the measurement to be generated due to contamination. <P>SOLUTION: A water quality analyzer is constituted by being provided with: a washing function for washing the inside of a syringe 2, a multiport valve 1 and the inside of a flow channel by introducing washing water to the syringe 2 and discharging the washing water from a drain 12 connected to one of distribution ports of the multiport valve 1; and a counter 16 which counts actuation interruption time of a device to inform a control part 15 of the counted actuation interruption time, when the interruption time counted by the counter 16 exceeds a setting value at the time of re-operating the device, the washing function automatically operates by an instruction of the control part 15 prior to collection of a sample to wash the inside the syringe 2, the multiport valve 1 and the inside the flow channel. <P>COPYRIGHT: (C)2013,JPO&INPIT |
