FlowCERT

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Velocity Area (P700 = 4) The calculation of flow using Velocity Area is only possible when the “Speedy” velocity sensor is available to provide a signal input proportional to the velocity of flow and should be installed as detailed in Chapter 3 Speedy Velocity Sensor. Point of Measurement The ultrasonic transducer used to measure the level of flow (head) must be above the maximum head P704 by at least the near blanking distance P107. For all Velocity/area applications the point at which the head is measured should be chosen such that the surface of the liquid is not affected by turbulence. (See DRWG 10, 11, 12 and 13) U – Channel Page 70
Rectangular Channel Calculations ABSOLUTE Rectangular and U-Channel If the flow calculation is to be absolute P702 = 1 the flow will be calculated using the formula: q = v x a(h) Where: q = flowrate v = velocity a(h) = area at head Page 71
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FlowCERT INSTRUCTION MANUAL
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Contents Chapter 1 Start Here…...
Page 7 and 8:
Common Parameters..................
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Chapter 1 Start Here… Congratulat
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Functional Description The FlowCERT
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Product Specification Physical Wall
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Chapter 2 FlowCERT Installation Pow
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Dimensions Wall mount The dimension
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Cable Entry There are 6 cable gland
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Speedy velocity sensor please refer
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Preparation for Operation Before sw
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Chapter 3 DUET Transducer DUET Tran
Page 29 and 30: Mounting Plate Fixings The DUET is
Page 31 and 32: Chapter 4 Speedy Velocity Sensor Fo
Page 33 and 34: Speedy Hardware Specification Suppl
Page 35 and 36: Positioning of the Speedy sensor Th
Page 37 and 38: Step or obstruction h < 2.5% of Dia
Page 39 and 40: Page 29
Page 41 and 42: FlowCERT Parameter list for Speedy
Page 43 and 44: Chapter 5 How To Use Your FlowCERT
Page 45 and 46: Program Mode This mode is used to s
Page 47 and 48: Menu Keys The menu keys have the fo
Page 49 and 50: Note You can tell which part of the
Page 51 and 52: Using the RS232 Serial Interface Th
Page 53 and 54: Parameter Defaults Factory Defaults
Page 55 and 56: Chapter 6 Quick Set-up Guide This q
Page 57 and 58: For devices which do not match any
Page 59 and 60: Wait ….. Parameter Default Descri
Page 61 and 62: Parameter Set Value Description P21
Page 63 and 64: Point of Measurement The transducer
Page 65 and 66: Calculations ABSOLUTE If the flow c
Page 67 and 68: Example 1 ‘V’ Notch Weir In thi
Page 69 and 70: BS3680 Flumes (P700 = 2) Point of M
Page 71 and 72: U-Throated Flume ABSOLUTE If the fl
Page 73 and 74: To program the FlowCERT for Example
Page 75 and 76: RATIOMETRIC If the flow calculation
Page 77 and 78: To program the FlowCERT for Example
Page 79: RATIOMETRIC BS3680 Rectangular Weir
Page 83 and 84: Round Pipe If the flow calculation
Page 85 and 86: V-notch angle weirs, the head is me
Page 87 and 88: Chapter 7 Parameter Guide This chap
Page 89 and 90: Relays Menu Relay 1 Relay 2 Relay 3
Page 91 and 92: OCM Menu PMD Setup Dimensions Calcs
Page 93 and 94: mA Output 1 Menu Range Operation Se
Page 95 and 96: Echo Processing Menu Xdr. 1 Status
Page 97 and 98: Device Comm Menu RS232 Setup RS485
Page 99 and 100: Parameter Listing and Descriptions
Page 101 and 102: P106 Span This parameter should be
Page 103 and 104: P125 High mA Trim This parameter al
Page 105 and 106: Alarms P210, 220, 230, 240, 250 =1
Page 107 and 108: Alarm ID Description Setpoints 6= I
Page 109 and 110: Pumps P210, 220, 230, 240, 250 = 2
Page 111 and 112: Pump Duty Description 8= First On F
Page 113 and 114: Control P210, 220, 230, 240, 250 =
Page 115 and 116: P215, P225, P235, P245, P255 Relay
Page 117 and 118: Common Parameters P216, P226, P236,
Page 119 and 120: P584 Maximum Temperature Date This
Page 121 and 122: If P700 = 3 (BS 3680 Weir) Select f
Page 123 and 124: P706 Volume Units Select the Volume
Page 125 and 126: P713 Dimension D This parameter is
Page 127 and 128: P717 Exponent This parameter is use
Page 129 and 130: Velocity The calculation of flow us
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P685 Peak width Sets the evaluation
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Average Flow P863 Average Flow This
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Auxiliary P810 Units This parameter
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P822 Totaliser Decimal Places This
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Operation P831 mA 1 Mode This param
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mA Output 2 Parameters Range P890 m
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Trim P896 mA 2 Low Trim If the devi
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Stability Parameters Damping Dampin
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P884 Peak Percent This parameter is
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P928 Serial Number This parameter w
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Watchdog You can check how many tim
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P974 Start Week This parameter will
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P979 End Month This parameter is us
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P144 Call Type This parameter deter
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The choices for you to enter are as
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P995 Keys Test You should press eac
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Chapter 8 Troubleshooting This sect
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Parameter Record APPLICATION Operat
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Relay 4 Parameter Details Entered V
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Dimensions Parameter Details Entere
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P773 Flow Breakpoint 22 -1.000 P774
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Auxiliary Parameter Details Entered
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Trim Parameter Details Entered Valu
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System Information Parameter Detail
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FlowCERT

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