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Troubleshooting
Related Manuals for Greyline Portaflow PT400
Summary of Contents for Greyline Portaflow PT400
- Page 1 PORTAFLOW PT400 Portable Ultrasonic Flowmeter User’s Guide www.greyline.com...
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Page 2: Table Of Contents
3.5.5 Adjusting the damping factor................27 3.6 Performing Monitoring Functions ..................28 3.6.1 How to measure totalised flows (manually) ............28 3.7 Configuring the Portaflow PT400 Interfaces ..............30 3.7.3 How to turn the 4-20mA output OFF/ON .............30 3.7.4 4-20mA signal calibration and ranging..............30 Page www.greyline.com... - Page 3 5.2 General Troubleshooting Procedure ................35 5.3 Warning & Status Messages ...................36 5.4 Test Block........................39 5.5 Microprocessor Reset Facility ..................39 5.6 Diagnostics Display ......................40 5.7 Applications Hotline ......................41 5.8 Product Return Procedure....................41 5.9 Warranty ..........................43 6: Appendix A Specifications ......................44 Page www.greyline.com...
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Page 4: 1: General Description
1: General Description 1.1 Introduction This manual describes the operation of the Greyline Portaflow PT400 portable flowmeter. The flowmeter is designed to work with clamp-on transducers to enable the flow of a liquid within a closed pipe to be measured accurately without needing to insert any mechanical parts through the pipe wall or protrude into the flow system. -
Page 5: Principles Of Operation
The Portaflow PT400 system employs two ultrasonic transducers attached to the pipe carrying the liquid and compares the time taken to transmit an ultrasound signal in each direction. If the sound characteristics of the fluid are known, the Portaflow microprocessor can use the results of the transit time calculations to compute the fluid flow velocity. -
Page 6: Supplied Hardware
Ruled Separation bar Portaflow PT400 Instrument Figure 1.2 Standard Portaflow equipment Standard equipment • Portaflow PT400 instrument with backlit graphic display Power supply - with UK, US, European adaptors. 110/240VAC • 4-20mA/Pulse Output cable • • 2 lengths of chain each at 3.3 metres long Test block •... -
Page 7: Portaflow Pt400 Instrument
1.3. A single cable that can be adapted for use for either of these output functions is included in the Portaflow PT400 kit. The ‘tails’ on the free end of the cable must be terminated to suit the intended application. -
Page 8: Keypad
Menus and the menu selection keys The Portaflow PT400 menus are arranged hierarchally with the MAIN MENU being at the top level. Menu navigation is achieved by three keys on the right hand side of the keypad which are used to scroll UP and DOWN a menu list and SELECT a menu item. -
Page 9: Transducers
Key Point: The battery is not a user-changeable item. The instrument must be returned to Greyline if the battery needs replacing. Key Point: Only use the supplied charger, or special adaptor lead. Failure to comply with this will invalidate your warranty. -
Page 10: 2: Installation
Key Point: Do not expect to obtain accurate results if the transducers are positioned close to any obstructions that distort the uniformity of the flow profile. Page www.greyline.com... -
Page 11: Transducer Attachment (Type 'A' & 'B')
Slide the other end of the separation bar into the front of the right hand guide rail, align the front edge of the guide rail to the required separation distance (obtained from the Portaflow instrument) on the ruler (F), then secure it in place by tightening the thumbscrew. Page www.greyline.com... -
Page 12: Fitting The Transducers
Connect the transducers to the Portaflow instrument using the coaxial cables provided. The RED cable must be connected to the upstream transducer and the BLUE cable to the downstream transducer. If you observe negative flow, swap the red and blue cables at the sensors. Page www.greyline.com... -
Page 13: 3: Operating Procedures
How to set up logging ‘live’ to a PC – Paragraph 3.6.4 4-20mA Calibration – Paragraph 3.7.4 How to download saved data to a PC – Paragraph 3.6.5 Pulse ON/OFF – Paragraph 3.7.6 How to print data – Paragraph 3.8 Pulse calibration – Paragraph 3.7.7 Page www.greyline.com... -
Page 14: Setting-Up The Instrument
Setting-up the Instrument 3.1.1 Using the instrument for the first time Before you use your Portaflow PT400 for the first time you should first charge the battery, then select the display language and set-up the internal clock, as described below. -
Page 15: Enabling/Disabling The Backlight
If the point at which you intend to take the measurement is likely to require regular monitoring it is best to set it up as a ‘Site’ within the Portaflow PT400, which then stores the site parameters (See Managing Named Sites). - Page 16 If the material is not listed select Other and enter Mild Steel the propagation rate of the pipe wall material in S' less Steel 316 metres/sec. Contact Greyline if this is not known. S' less Steel 303 Plastic Page www.greyline.com...
- Page 17 If the material is not listed select Other and enter Concrete the propagation rate of the lining material in Other (m/s) metres/sec. Contact Greyline if this is not known. Select the fluid type from the list provided and FLUID TYPE DD-MM-YY HH:MM:SS press ENTER.
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Page 18: Using The System At A Regularly Monitored Location
: MySite Dimension units : mm Select one of the sites listed and press ENTER. Pipe outside diameter : 58.00 Pipe wall thickness : 4.00 The Site name will show the selected site and Pipe lining thickness : 0.00 Page www.greyline.com... - Page 19 Once the transducers have been fitted and connected press the ENTER key. Please wait.. Checking signals This will take you from the SENSOR SEPARATION screen to the FLOW READING **************************************** screen via a signal-checking screen (shown here). **************************************** Page www.greyline.com...
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Page 20: Managing Named Sites
If you want to monitor a particular site location frequently you can set up a named ‘Site’ to store the installation details, such as pipe dimensions and material, required to set-up the Portaflow PT400 system. These can then be recalled later when revisiting that particular location. -
Page 21: Changing A Site Name
To change a site name use the same method described above for generating a new site: but in this case access a current site name to change rather than an EmptySite. If you change a site name while the site is logging the logging will stop. Page www.greyline.com... -
Page 22: Instrument Calibration
Press ENTER on the subsequent screen to Damping (secs) accept the change, which will return you to the Totaliser Reset +Total screen shown. Scroll down to select Exit and press ENTER to return to the FLOW READING screen. Page www.greyline.com... -
Page 23: Adjusting The Calibration Factor
In most situations it is not possible to inspect the pipe internally and the true condition is not known. In these circumstances experience has shown that the following values can be used: Page www.greyline.com... - Page 24 Fine planed, polished surface Plane surface • • Rough planed surface Welded steel pipes, new: Long usage, cleaned • • Lightly and evenly rusted Heavily encrusted • Cast iron pipes: • Bitumen lining New, without lining • Rusted / Encrusted • Page www.greyline.com...
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Page 25: Adjusting The Damping Factor
Press Enter to apply the change. Calibration factor 1.000 Roughness factor 0.01 Diagnostics Exit Key Point: If the damping factor is set too high the value displayed may appear stable but it may exhibit large step changes when the value is updated. Page www.greyline.com... -
Page 26: Performing Monitoring Functions
12.34 Note that in some installation the measured flow can be in either direction. Where this is the case l/min the upstream flow is shown separately in the – Total field. +Total: 300.0 litres –Total: 0.00 litres Page www.greyline.com... - Page 27 How to stop the totaliser temporarily If you want to stop the totaliser temporarily for operational reasons, set the Totaliser option to Stall in the FLOW READING OPTIONS screen as described above. This will stop the totaliser operation without affecting its current values. Page www.greyline.com...
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Page 28: Configuring The Portaflow Pt400 Interfaces
Configuring the Portaflow PT400 Interfaces 3.7.3 How to turn the 4-20mA output OFF/ON With the instrument operating in the FLOW 4-20 mA OUTPUT DD-MM-YY HH:MM:SS 4-20 mA O/P is ON Dim: mm READING mode, press the 4-20mA function key. mA Output Reading 0.00... -
Page 29: How To Convert The Measured Current To Flow Rate
Upon completion press ENTER to return to the FLOW READING screen. 3.7.5 How to convert the measured current to flow rate Assume the maximum flow rate is (l/min) and the minimum flow rate is ‘0’ (l/min), as shown. Page www.greyline.com... -
Page 30: How To Turn The Pulse Output Off/On
Select a Pulse width (in ms) to suit the particular application – e.g. electro-mechanical counter. Refer to the manufacturer’s data sheet for the minimum pulse width. Select Exit and press ENTER to return to the FLOW READING screen. Page www.greyline.com... -
Page 31: 4: Maintenance & Repair
The instrument and sensors should be calibrated at least once every 12 months. Contact Greyline or your local service agent for details. When returning product to Greyline make sure it is clean and please notify Greyline if the instrument has been in contact with any hazardous substances. -
Page 32: 5: Troubleshooting
• Very hot pipe almost turns water to steam and therefore exhibits the wrong speed • characteristics –could be due to reduced pipe pressure. • Flashover – liquid turns into a gas because of lower than required pressure. Page www.greyline.com... -
Page 33: General Troubleshooting Procedure
Ensure pipe diameter within specifications of the selected transducers. Check instrument using test block. Ensure the pipe is completely full. Ensure pipe surface is not corroded, or protective surface loose. Check for particles in the fluid. Figure 5.1 Troubleshooting chart Page www.greyline.com... -
Page 34: Warning & Status Messages
PULSE OUTPUT menu – see Paragraph 3.7.7. Response: Enter a valid number. Pulse width error Interpretation: You have entered an out-of-range value in the Pulse width error field in the PULSE OUTPUT menu – see Paragraph 3.7.7. Response: Enter a valid number. Page www.greyline.com... - Page 35 – accepted range is 0.04” - 2.95” (1mm - 75mm). Response: Enter a valid number. Lining thickness out of range Interpretation: You have entered an out-of-range value for the lining thickness dimension – acceptable range is 0” – 0.39” (0mm - 10mm). Response: Enter a valid number. Page www.greyline.com...
- Page 36 Select alternative sensors or change the temperature. Mode: Err Typ Interpretation: The selected sensors are invalid and the mode cannot be verified. Response: Select a valid sensor type and choose a mode that gives a non-zero separation distance. Page www.greyline.com...
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Page 37: Test Block
The signal strength indicator at the left of the display should show 3–4 bars. Microprocessor Reset Facility In the rare event that the Portaflow PT400 instrument appears to totally hang-up, or displays total gibberish, you can reset its microprocessor by carefully inserting a straightened paperclip into the pinhole located in the right- Page www.greyline.com... - Page 38 Hold the paperclip perpendicular to the instrument while doing this. Page www.greyline.com...
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Page 39: Diagnostics Display
This is the sound speed of the fluid calculated using the data entered by the user. Fluid propagation rate Calculated from the input data concerning the fluid type and temperature. Sensor separation The same value as displayed in the setup screen. Page www.greyline.com... -
Page 40: Applications Hotline
Instruments may be returned to Greyline for service or warranty repair. Obtain an RMA Number from Greyline - Before shipping a product to the factory please contact Greyline by telephone, fax or email to obtain an RMA number (Returned Merchandise Authorization). This ensures fast service and correct billing or credit. -
Page 41: Warranty
Greyline Instruments warrants, to the original purchaser, its products to be free from defects in material and workmanship for a period of one year from date of invoice. Greyline will replace or repair, free of charge, any Greyline product if it has been proven to be defective within the warranty period. -
Page 42: 6: Appendix A Specifications
Standard sensor operating temperature is -4°F to 275°F (-20°C to +135°C). Range: Optional high temperature sensor operating temperature is -4°F to 392°F ( -20°C to +200°C). TRANSDUCER SETS Standard: Temperature Range -4°F to 275°F (-20°C to +135°C) PF400A – Type 'A-ST' (2MHz) PF400B – Type 'B-ST' (1MHz) Page www.greyline.com... - Page 43 Input Frequency 47–63Hz. Range: Output Voltage: 12Vdc. Max. Output Current: 1.5A. Approvals: UL, CUL, TUV, CB & CE. MECHANICAL Carrying case: Rating: All components are contained in a hard-wearing polypropylene carrying case with a protective moulded foam insert. Page www.greyline.com...
- Page 44 Battery Charger: EN61204 - 3. SHIPPING INFORMATION Box Dimensions: 16.15” x 8” x 14” (410mm x 205mm x 355mm). Weight: 16.5lbs (7.5 kg). Volumetric Weight: 11lbs (5. kg). Greyline Instruments reserves the right to alter specifications without notice. Page www.greyline.com...
- Page 45 PIPE CHARTS Page www.greyline.com...
- Page 46 Page www.greyline.com...
- Page 47 Page www.greyline.com...
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