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User Manual

2021 Release 2

WiseAir Technologies India LLP

[email protected]  +91 90477 78715

WAFS 103 DIFFERENTIAL

PRESSURE PITOT TUBE FLOW METER

Page 11 of 32

MEASURE TO MANAGE

 

 

The figure below shows the minimum distances (in multiples of pipe diameters (DNs)) 

that the sensor must be installed away from bends, changes in pipe size and other obstructions.
 

 

  

 

 

  

The inlet side of the sensor must be at least 20 to 50 times the pipe diameter

 

 

  

way from the obstruction (depending on the type of obstruction — see figure

 

 

  

below).

 

 

  

The outlet side of the sensor must be at least 5 times the pipe diameter away

 

 

  

from the obstruction.

Correct Installation

Incorrect Installation

Summary of Contents for WAFS-103

Page 1: ...se 2 WiseAir Technologies India LLP support wiseair asia 91 90477 78715 User Manual for Differential Pressure Pitot Tube Flow Meter WAFS 103 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER Page 1 of 32 MEASURE TO MANAGE ...

Page 2: ...ction Contents Page No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 General Information About WAFS 103 Differential Pressure Pitot Tube Flow Meters What s in the Box Product Specifications Installation Mechanical Installation Electrical Wiring Configuring Settings Communication Settings System Settings Warranty Calibration Need Help Technical Support Commissioning Report 3 4 6 7 8 17 18 21 25 27 27 27 28 31 ...

Page 3: ...r Omissions or errors and the consequences caused thereby 1 2 CompressedAir Safety Any contact with quickly escaping air or bursting parts of the compressed air system can lead to serious injuries or even death Do not exceed the maximum permitted pressure Only use pressure tight installation material Avoid getting hit by escaping air or bursting parts The system must be pressure less during mainte...

Page 4: ...S 103 Differential Pressure Pitot Tube Flow Meter 2 1 Importance of Flow Meters Flow meters are very popular for measuring compressed air systems Depending on where they are installed flow meters can tell you the compressor output system consumption peaks and troughs as well as average usage When used well flow monitoring can help keep your system under control and highlight any unusual activity in ...

Page 5: ...nology high reliability long term measurement and accuracy can be guaranteed Pitot flow meters are widely used in industrial processes chemical petrochemical power engineering etc Pitot Tube flow meters are ideal for both temporary or permanent installations 2 3 Key Features of Pitot TubeFlow Meters Insertion type sensor Ideal for wet and dirty gases Flow range of 5 300 Nm s Note below minimum veloc...

Page 6: ...103 Flow Meter Power Adapter 2x5 Pin M12 Connector with 2 meter cable User Manual Connection Spanner Stainless Steel Nipple Calibration Certificate Stainless Steel Ball Valve 2 3 4 5 6 7 8 3 2 OptionalAccessories The following accessories are available for WAFS 103 Flow Meter Talk to your local dealer for pricing and other accessories Y type M12 connector for connecting multiple sensors simultaneou...

Page 7: ... Manual 2021 Release 2 WiseAir Technologies India LLP support wiseair asia 91 90477 78715 Page 7 of 32 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER MEASURE TO MANAGE Section 4 Product Specifications ...

Page 8: ... the sensor or cause it to work incorrectly You need to maintain a minimum flow velocity of 5 Nm S for the pitot tube to work correctly Below this minimum velocity the flow meter reading will be zero 5 1 Step 1 Find a SuitableSection of Horizontal Pipe The Sensor Must be Installed on a horizontal pipe upright at 90 15 to the pipe ie vertically away from bends edges seams changes in pipe size and oth...

Page 9: ... Condensing gases The pitot tube can not be installed directly on the outlet of compressors If you want to install the pitot tube near the outlet of a compressor a water separator or filter is required to reduce the condensed liquid in the gas 5 3 Install Vertically To Pipe The sensor must be installed upright at 90 15 ie within 75 to 105 of vertical Installing the sensor at an angle can result in ...

Page 10: ...of the compressor For best results choose a Iong absolutely straight horizontal section of pipe that is free of obstructions Pipe obstructions eg bends edges seams curve changes in pipe size control valves etc change the velocity of compressed air asses and or create turbulence near the obstruction Placing the sensor too close to the obstruction will result in inaccurate readings Make sure that th...

Page 11: ... multiples of pipe diameters DNs that the sensor must be installed away from bends changes in pipe size and other obstructions The inlet side of the sensor must be at least 20 to 50 times the pipe diameter way from the obstruction depending on the type of obstruction see figure below The outlet side of the sensor must be at least 5 times the pipe diameter away from the obstruction Correct Installat...

Page 12: ...User Manual 2021 Release 2 WiseAir Technologies India LLP support wiseair asia 91 90477 78715 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER Page 12 of 32 MEASURE TO MANAGE Examples ...

Page 13: ... PRESSURE PITOT TUBE FLOW METER Page 13 of 32 MEASURE TO MANAGE 5 7 Step 3 Fixing theBall Valveon thePipe To install the sensor you need a ball valve or a nozzle with the following specifications The inner thread must be G 1 2 The diameter of the hole must be 13mm otherwise the shaft can not be inserted into the pipe ...

Page 14: ...e of the Pipe Place O Ring on sensor shaft gland nut Screw the sensor into the valve then open the valve OD 2 5 9 Step 5 Insert Sensor andAlign Tip With theCentreof thePipe Use the depth scale on the sensor shaft to place the tip of the sensor in the middle of the pipe Once the tip is in the centre of the pipe tighten the gland nut to hold the sensor in place The Insertion Depth x y y OD outer dia...

Page 15: ...ia 91 90477 78715 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER Page 15 of 32 MEASURE TO MANAGE Correct Installation Incorrect Installation The Sensor tip must be in the center of the pipe tube Note Inaccurate measurement may occur if the sensor is installed incorrectly ...

Page 16: ...sing the flow meter please pay attention to the direction of air flow and the alignment of the sensor The direction is flow is marked by 4 green arrows on the back of the sensor and underneath the sensor Correct Installation Incorrect Installation The Sensor is aligned in the same direction as the gas flow Note Inaccurate measurement may occur if the sensor is installed incorrectly Use the alignment t...

Page 17: ...ESSURE PITOT TUBE FLOW METER Page 17 of 32 MEASURE TO MANAGE Section 6 Installation Electrical Wiring The flow sensor is equipped with two M12 connector plugs A and B Cables are connected to the sensor through the M12 connector plugs Do not screw the M12 connector using force Otherwise it may damage the connection pins ...

Page 18: ...r 60 seconds If the lock screen symbol is present press the symbol hold and drag it to the right of the screen You can chan e the timing for the lock screen in the Screen Settings menu Settings System Settings Screen Setting Home Screen Scroll left or right to other screens The home screen has three pages as shown by the three dots at the bottom of the screen Move the screen left or right to move ...

Page 19: ... Ethane Propane Butane Biogas Natural Gas Pressure unit Flow unit Prefix 3 3 3 M h M min M s I min I s CFM Kg h Kg min Kg s 1200 2400 4800 9600 14400 19200 38400 56000 57600 115200 None Odd Even M s ft s 3 M s ft Kg o o C F Pa hPa kPa mPa mbar bar PSI Stop Bits 1 2 Response Delay Device Address Analog Setting System Setting 4 20 MA Channel 4 20 MA Scaling Low 4 20 MA Scaling High Pulse Output Cubic...

Page 20: ...h Kg min Kg s Velocity Nm s Nft s Consumption m3 ft3 kg Pressure Pa hPa kPa Mpa mbar Bar PSI Temperature C F Gas type To change the Gas type go to Settings GasType To change the gas type Select the desired gas type You might need to scroll up or down to see all options Press the arrow to save your setting and return to the previous screen The flow meter is calibrated in air If you select another ga...

Page 21: ...s screen Default Modbus setting are Baud Rate 9600 Parity None Stop Bits 1 Response Delay 0 Device Address 1 For more Modbus setting refer to the next page Analog Output To change the Analog 4 20mA setting go to Settings Analog output Here you can set change Which measurement is transmitted via the analog channel Only one measurement can be transmitted via the analog setting The Scaling The pulse ...

Page 22: ...iseAir Technologies India LLP support wiseair asia 91 90477 78715 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER Page 22 of 32 MEASURE TO MANAGE 8 1 Default Modbus Settings Settings can be changed to suit system requirement ...

Page 23: ...User Manual 2021 Release 2 WiseAir Technologies India LLP support wiseair asia 91 90477 78715 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER Page 23 of 32 MEASURE TO MANAGE 8 2 Data Logging ...

Page 24: ...rature Pressure Normalized Flow Normalized Velocity Normalized Consumption Density Enter the system date and time If you want the data logging to start at a specific time enter the STARTdate and time If you want the data logging to stop at a specific time enter the STOP date and time Press the arrow to save setting and return to the previous screen Start Stop Logging Press the Notebook icon on the t...

Page 25: ...change the timing move the dial up or down You can set the screen to never lock Press the arrow to save settings and return to the previous screen System setting Language Settings To access the language settings goto the Settings Menu System Setting Language Setting To change the language Select the desired language Press the arrow to save the settings and return to previous screen System setting ...

Page 26: ... of the flow sensor Press the Option icon Select the images you want to download Press the Export icon DeletePictures To delete pictures Press the Option icon Select the images you want to delete Press the Delete icon Normalization Normalization is only used if the flow meter is installed under conditions that differ from the standard calibration To access the Normalization settings go to the Settin...

Page 27: ...aused by vibration damage during transportation excess heat or moisture The warranty is cancelled when one of the following situations occurs The user opens the measurement instrument without a direct request written in this manual Repairs or modifications are undertaken by third parties or unauthorized persons The serial number has been changed damaged or removed The sensor is calibrated before de...

Page 28: ...is indicated by a scroll bar on the right side of the screen 13 2 TheTouch Screen Doesn t Work If the touch screen doesn t work Clean the screen Make sure the Screen Lock is off If the lock screen symbol is present press the symbol hold and drag it to the right of the screen Use your finger to touch the screen The touch screen does not work if you use finger nails or pens Try pressing harder or soft...

Page 29: ...page Step 4 Go to System Settings Scroll to the bottom of the setting screen Press the System Setting Menu 2nd menu from bottom Step 5 Go to LanguageSettings Scroll to the top of the system setting screen Press the Language Setting Menu 2nd menu from top Flyde Hastighed Forbrug Flyde Hastighed Forbrug RS485 Indstilling Analog Udgang System Indstilling Avancerede Indstillinger Skærmindstilling Spro...

Page 30: ...nstalling sensor in the opposite direction to the gas flow Installing sensor directly on the outlet of the compressor Gas flow rate too low Note below 10 Nm s the flow meter reading will be zero 5 Make sure the sensor is wired correctly Refer to Installation Electrical Wiring section for more information 6 Make sure the following sensors settings are correct Inner Pipe diameter not outer diameter Uni...

Page 31: ...7 8 Flow meter installed in correct loca on and orienta on Flow meter installed away from obstruc ons Sensor p aligned with center of pipe Sensor aligned with direc on of gas flow Electrical wiring checked Sensor se ng configured for inner pipe diameter unit of measurement gas type and communica on Modbus se ngs ckecked Readings flow velocity consump on temperature visible on display inner pipe Diame...

Page 32: ...User Manual 2021 Release 2 WiseAir Technologies India LLP support wiseair asia 91 90477 78715 WAFS 103 DIFFERENTIAL PRESSURE PITOT TUBE FLOW METER Page 32 of 32 MEASURE TO MANAGE ...

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