首页>
外国专利>
Device for measuring surface water in vertical inspection manhole of sewage, has micrometer drum including weight-dependently working locking unit for recurrently fixing measurement chambers in position suitable for water absorption
Device for measuring surface water in vertical inspection manhole of sewage, has micrometer drum including weight-dependently working locking unit for recurrently fixing measurement chambers in position suitable for water absorption
The device has an upper sealing plate (5) provided with a passage opening (6), and a lower measuring unit (7) for determining flow rate of surface water. The measuring unit includes a micrometer drum with measurement chambers for receiving and discharging predetermined water amount, where the micrometer drum is rotatable in a synchronized manner. A meter records a measured variable that characterizes the received water amount. The micrometer drum includes a weight-dependently working locking unit for recurrently fixing the chambers in a position suitable for water absorption.
展开▼