| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact and inexpensive automatic water quality monitoring device which can be employed in a small purification plant or a small-scale intake facility.SOLUTION: An image processing device 3 includes an operation switch, such as a SENS switch 32, arranged in a control panel 2 and separated from a body 31. The body 31 is stood behind the control panel 2. Only one relay timer 5 is provided. An alarm is given by the relay timer 5 only in an emergency. |
