Pulsar Measurement FlowCERT, Инструкция по эксплуатации

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PULSAR MEASUREMENT
105
P714 Roughness Coefficient (Ks)
When P700 = 2, BS3680 Flume this parameter is used to enter the roughness
coefficient of the flume in millimetres,
see table below for further details.
Surface Classification
Value of Ks
Good
Example
mm
Normal
Value
mm
Plastics etc.
Perspex, PVC or other smooth faced
Asbestos cement
Resin-bonded glass-fibre moulded against smooth
forms of sheet metal or well sanded and painted
timber
0.03
0.003
0.015
0.06
Metal
Smooth, machined, and polished metal
Uncoated sheet metal, rust free
Painted metal
Galvanized metal
Painted or coated casting
Uncoated casting
0.003
0.015
0.03
0.06
0.06
0.15
0.006
0.03
0.06
0.15
0.15
0.3
Concrete
In-situ or precast construction using steel
formwork, with all irregularities rubbed down or
filled in.
In-situ or precast construction using plywood or
timber framework
Smooth troweled cement rendering
Concrete with thin film of sewage slime
0.06
0.3
0.3
0.6
0.15
0.6
0.6
1.5
Wood
Planned timber or plywood
Well sanded and painted
0.3
0.03
0.6
0.06
P715 Water Temperature
When P700 = 2, BS3680 Flume this parameter is used to enter the mean
water temperature in
0 C.