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Summary of Contents for CMA Dishmachines FLOWRATE SENSOR 0387I
- Page 1 FLOW RATE SENSOR 0387 0 .. 4 User’s Guide Figure 1. The Flow rate sensor 0387i CENTRE FOR MICROCOMPUTER APPLICATIONS http://www.cma-science.nl...
- Page 2 Description The Flow rate sensor 0387i measures the velocity of flowing water. It can be used to study the discharge, flow patterns, and sediment transport of flowing water. The Flow rate sensor is equipped with impeller rod with 5-meter cable. To assemble the sensor, simply unfold the four sections of the impeller rod and slide them together.
- Page 3 Examples of experiments The Flow rate sensor can be used in the following experiments: • Calculating Discharge Stream flow or discharge is the volume of water that moves through a specific point in a stream during a given period of time. To determine discharge, a cross-sectional area of the stream or river is measured.
- Page 4 Procedure for Measuring Stream Flow 1. Site Selection • Always follow safety precautions when entering the stream. If the water is too deep or swift, select another site. Never venture out into the stream alone without another person available to assist you in case of emergency. •...
- Page 5 Initial Final distance distance = Stream width Initial Final depth depth = 0 • Using a meter stick, measure the depth of the stream in meters at each of the equally spaced points along the cross section. Record the depth and the distance out from one shore edge, in meters, on a data sheet.
- Page 6 4. Calculating Stream Cross section • Create a graph of stream depth vs. distance from the shore. • Integrate the data. The integral value will give you the cross-sectional area of the stream. 5. Determining Discharge • Calculate the average velocity for each site. •...
- Page 7 Calibration The output of the Flow rate sensor is linear with respect to the flow velocity. To collect data you can: 1. Use the calibration supplied by the sensor EEPROM memory. 2. Use the calibration supplied in the standard sensor library of the Coach program. The name of the Flow rate sensor in the standard sensor library of the Coach program is...
- Page 8 Technical data Flow rate range 0 - 4.0 m/s (0 – 13 ft/s) Voltage output range 0 – 5 V Calibration function Flow (m/s) = 0.8 * V Resolution using 12 bit A/D converter 0.005 m/s Accuracy ±1% of full-scale reading Response time 98% of full-scale reading in 5 seconds, 100% of full-scale in 15 seconds...
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