DO
OF600
Ope
0 Serie
en Cha
es Ultr
annel F
Man
REV 03
asonic
Flowme
nual
3/2017
Doppl
eter
ler
Page 1: ...DO OF600 Ope 0 Serie en Cha es Ultr annel F Man REV 03 asonic Flowme nual 3 2017 Doppl eter ler...
Page 2: ...ng Data Accuracy 10 45B45B44B58B2 5 1 Alignment with Flow 10 46B46B45B60B2 5 2 Conversion of Logged to Mean Velocity 10 19B19B18B20B2 6 Depth Measurement 11 20B20B19B21B2 7 Flow Rate Calculations 11 2...
Page 3: ...mmunication 22 49B49B48B6 3 2 Output 23 50B50B49B6 3 3 Data logger 23 51B51B50B6 3 4 External L V 23 52B52B51B6 3 5 Service 24 38B38B37B6 4 Application Example 24 53B53B52B6 4 1 Partially Filled Pipe...
Page 4: ...card up to 16GB The flow calculator can calculate the cross sectional area of partially filled pipe open channel stream or river for stream or river it can input up to 20 coordinate points describing...
Page 5: ...ona s nded for ec sed where e l at sites w ed by varia table flow c Model H5 Model H2 ts m consists o including 1 necting the D ng Bracket ow these ste Calculator a 0 Series Ultra info lanry flow can...
Page 6: ...lose in External L V Parameter setup in flow calculator First set Close in External L V Second set measuring type in Area If select Pipe then set pipe diameter offset and dead zone If select Rect then...
Page 7: ...red by a pressure Transducer recording the hydrostatic pressure of water above the instrument Temperature is measured to refine the acoustic recordings These are related to the speed of sound in water...
Page 8: ...targets A measuring circuit detects any frequency changes A processing system accumulates and analyses these frequency changes and calculates a representative Doppler shift from the range received Ea...
Page 9: ...he correction of velocity measurements The transducer corrects for the variation of the speed of sound in water due to temperature using a factor of 0 00138mm s Hz C This correction is a best fit for...
Page 10: ...velocities in both directions Reflectors are present in the water Generally the more material in the water the better Transducer generally works well in clean natural streams but problems may be enco...
Page 11: ...of calibration accuracy You may want to do this when fouling of the sensor face is a problem Any angled flow in the horizontal plane will reduce the recorded velocity A 10 degree angle will reduce th...
Page 12: ...tate pressure sensor mounted underneath the DOF6000 Transducer and vented to atmospheric pressure via a vent tube inside the signal cable Water pressure is sensed via a pressure damping manifold which...
Page 13: ...pply Fixed 85 265VAC 50 60 Hz 5 5VA Max Or 24VDC Portable rechargeable lithium battery 24VDC 12Ah Over 40 hours working time on a full charge Charger 85 265VAC 50 60 Hz 200mA Outputs 4 20mA output loa...
Page 14: ...s bidirectional Resolution 1mm s Accuracy 2 of measured velocity Signal Path 30 above horizontal Depth Ranges Model 6526H2 0 to 2m Model 6526H5 0 to 5m Resolution Model 6526H2 0 to 1m 1mm 1 to 2m 2mm...
Page 15: ...ed Flow Calculator Wiring Diagram In the right of above picture is AC85 265V which is connected to external power supply DC24V is connected to external 24VDC power supply RS232 is connected to transdu...
Page 16: ...icator illuminates will not damage the battery Allowing the battery to stay discharged for long periods of time can degrade the storage capacity of the battery NOTE Commonly the battery is charged for...
Page 17: ...oppler Open Channel Flowmeter Manual Tel 86 21 67618991 Mail info lanry flow com Page 16 4 4 Flow Calculator wirings and Mounting Dimensions Wall mounted Flow Calculator Mounting Dimensions Wall mount...
Page 18: ...DOF6000 Series Ultrasonic Doppler Open Channel Flowmeter Manual Tel 86 21 67618991 Mail info lanry flow com Page 17 Portable Flow Calculator wirings Portable Flow Calculator Mounting Dimensions...
Page 19: ...trument to be removed for inspection The bracket saddle locks the instrument into its correct position and alignment Before Tightening Mounting Bracket Check there is no debris between it and the DOF6...
Page 20: ...e Appendix The transducer can also be located in the bed of a natural or artificial channel Again it should be installed and located in such a way as below to avoid accumulating debris being buried by...
Page 21: ...eep Mode 30B30B29B34B5 5 Signal Cable and Connections DOF6000 Transducer comes with a 15 metre multi core vented signal cable which is terminated into a 7 pin SQL weatherproof connector The cable conn...
Page 22: ...When choose menu press it to return superior menu When set parameters press it to cancel the setting the setting parameter is invalid and return the last parameter 2 Key When choose menu press it to...
Page 23: ...ENT Key to enter submenu AreaWay Pipe circular pipe Rect Rectangular pipe or channel UserR user define Pipe Set_Diam diameter of circular pipe Set_Offset height from bottom of pipe to installation loc...
Page 24: ...e interval of data logging users can select 1m 5m 30m 60m No The logging data includes date and time depth velocity flow rate and total flow IN 00000 m3 h Spare function Note The name of the file in S...
Page 25: ...0 150s default setup is 30s L_Damp Level damping for displaying a stable read The input range is 0 20s default setup is 5s Set_Area Offset area for Rectangle and UserRating The unit is m2 38B38B37B6 4...
Page 26: ...Set Set_Deadse 0000 in Pipe Pipe Example 2 Pipe is 900mm in diameter A DOF6000 Transducer unit is mounted 100mm up from the bottom and there is 75mm of silt in the pipe Maximum depth in this applicati...
Page 27: ...ing Set Point02 1000 0000 in UserRating Set Point02 2000 1500 in UserRating Set Offset Set_Area of 0 011 approximately User Define Example 1 The channel is as shown A DOF6000 Transducer unit is mounte...
Page 28: ...et mm is set by Set_offset menu When customers select Rect to measuring and install the DOF6000 Transducer if transducer is installed on the bottom the offset is 12mm For example the width of rectangl...
Page 29: ...ovides instrument installation for our customers and the charges will be made according to the cost For any hardware failure of the instrument we recommend that our customers send back the instrument...
Page 30: ...and vibration 4 Connect DOF6000 Transducer to flow calculator including power line and communication line 5 Set Enable of External L V to be closed and then you can see the display of flow calculator...
Page 31: ...data address 00 0A From address 00 00 there are 20 bytes data C5 CD 16 bits CRC cyclic redundancy check Return 01 03 14 42 C8 E2 E1 41 AC 8A EE 41 E8 EE C1 3F CB 73 A0 3E C0 00 00 3D 95 01 MODBUS addr...
Page 32: ...lthough pipes come in standard diameters their dimensions are not always accurate This means that an expanding hoop system must allow the installer to make adjustments on site To achieve this the expa...
Page 33: ...vet tool Heavy duty metal shears Do the following 1 Arrange hoop s bolt and screw caps so that DOF6000 Transducer unit will be positioned at the bottom invert of the pipe and a bolt at the top obvert...
Page 34: ...t be mea hown of the pipe d to suit the p OF6000 Tra ng bracket circle to eas side the pip p is tight ins ducer unit i nghai Co Lt dg 5 No 280 18991 0 Series Ultra info lanry flow together if ote if a...
