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Product description: Surface runoff is the flow of water that occurs when excess water from rain, meltwater, or other sources flows over the earth's surface. This might occur because soil is saturated to full capacity, or because rain arrives more quickly than soil can absorb it. Surface runoff is a major component of the water cycle. It is the primary agent in soil erosion by water. QT series tipping bucket flowmeter can be used to monitor no-pressure, low-head, and small discharge flow of surface or underground runoff.
Specifications
Tipping bucket Flowmeter | ||||
Model |
QT-50ml |
QT-100ml |
QT-1000ml |
|
Sensor type |
Tipping bucket with magnetic reed switch |
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Output |
Contact closure |
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Cable length |
3 m |
3 m |
3 m |
|
Capacity |
50 ml |
100 ml |
1000 ml |
|
Size |
30 cm L * 220 cm W *30 cm H |
30 cm L * 220cm W *30 cm H |
26 cm L *40 cm W *60 cm H |
|
Material |
SUS304 stainless steel \ aluminum alloy |
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Orifice diameter |
20 mm |
20 mm |
50 mm |
|
Weight |
4 Kg |
4 Kg |
7Kg |
|
Temperature Measurement | ||||
Measurement range |
-20~+70℃ |
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Accuracy |
±0.53℃（0~50℃） |
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Resolution |
0.14℃（25℃） |
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Drift |
0.1℃/year |
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Response time |
10 min, usually 90% (2 m/s air flow) |
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Data Logger | ||||
Timestamp resolution |
1.0 s |
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Time accuracy |
1 min / month (25 ℃) |
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Operating temperature |
-20~+70℃ |
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Power |
CR-2032 3V lithium battery, usually can last for one year |
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Storage capacity |
64KB: 16K ~ 23K for recording events, 25K ~ 30K for recording evens and temperature |
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Material |
polypropylene shell; Stainless steel screws; Buna O-rings, PVC cable insulation |
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Weight |
50 g |
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