ZM8116 Rainfall Hydrographs Demonstration Capabilities Didactic Equipment School Equipment Teaching Lab Fluid Mechanics Equipment Ø storm hydrographs from single or multiple storms
Ø storm hydrograph from a previously saturated catchment
Ø storm runoff from an impermeable catchment
Ø effect of a moving storm on flood hydrograph
Ø effect of reservoir storage on flood hydrograph
Ø effect of land drains on flood hydrograph
TECHNICAL SPECIFICATION Tank dimensions:
• Length: 1.2m
• Width: 0.6m
• Height: 0.2m
• Flow meter range: 0.4 - 4.4 litres/min
• Runoff collector: 17 x 0.5l compartments ORDERING SPECIFICATION
• A unit designed to obtain catchmentrainfall and runoff values as functions oftime.
• Comprising a bench- or floor-standingtank with two overhead square patternspray nozzles supplying water via a flowcontrol valve, flow meter and solenoidvalve.
• A motor driven traversing vessel withseventeen compartments is moved bytimer beneath the outlet at a preselectedrate to collect the runoff and provide animmediate display of the hydrograph.
• The tank is 1.2m in length x 0.8m wide x0.2m deep.
• The flow range is 0.4 to 4.4 litres/minute.
• A comprehensive user manual isincluded in the supply. SERVICES REQUIRED
Ø Hydraulics benchor cold watersupply (4 litres/min required)
Ø Drain
Ø Electrical supply:220-240V/1ph/50Hz
Ø 1m3 washed,well graded gravel,range 2.0 - 5.0mm OVERALL DIMENSIONS
• Length: 1.58m
• Width: 0.9m
• Height: 1.05m
