Palmer MicroCorr Digital User Manual Download | Manualshive

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Features of the correlator unit

Large backlit colour display
with protective screen

Tactile rubber keypad

Rubber hand grip

Carry-strap attachment

External antenna / magmount
connection

Headphone / charger
connector

Injection moulded housing

Sensor
connector

Communications
connector

Battery compartment
(accessed from underside)

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Summary of Contents for MicroCorr Digital

Page 1: ...och House Llantarnam Park Way Cwmbran NP44 3AW United Kingdom Tel 44 0 1633 489479 Fax 44 0 1633 877857 Email info palmer co uk Internet www palmer co uk Mcorr Dig UG Issue 5b August 2003 Based on SW...

Page 2: ...1 Key functions 11 Using the MicroCorr Digital Correlator 12 BATTERY WARNING 12 Step 1 Charging and installing batteries 12 Step 2 Set up and deployment of Out Stations 14 Step 3 Switching on the Corr...

Page 3: ...function allows immediate post processing or off line correlation Software upgrades downloaded directly from www palmer co uk Results transferable into Windows PC for post processing or export Best in...

Page 4: ...rom www palmer co uk Ground microphone foot option to improve versatility Permalog Patroller link option to improve versatility Designed for easy portability Fully automatic Immediate correlation swit...

Page 5: ...s minute vibrations and through the water column as a pressure wave The leak noise travels at a constant velocity V which depends on the material and diameter of the pipe and arrives first at the sens...

Page 6: ...charge lead for C U or O S 13 Operating manual Optional accessories 1 PC software for upgrades diagnostics PC interface 2 Spare battery pack with charge lead 3 Vehicle magmount antenna with cable 4 D...

Page 7: ...igitisation of received signal Low noise electronics with digital protocol eliminates interference Longer sensor cables possible Digital radio Out Station Two way communication with control unit using...

Page 8: ...with protective screen Tactile rubber keypad Rubber hand grip Carry strap attachment External antenna magmount connection Headphone charger connector Injection moulded housing Sensor connector Commun...

Page 9: ...ete with cable to connect to the transmitter Its design incorporates sensor stowage and cable wrap Sensor stowage at rear Flashing hazard lights Cable with strain relief Digital sensor High strength m...

Page 10: ...itch with integral flashing LED Sensor stowage Top view of transmitter connector covers removed Headphones charger connector Communications connector Sensor connector Antenna connector Top view of tra...

Page 11: ...ey functions Keypad functions MicroCorr Digital has an alpha numeric keypad similar to that of a mobile phone including a full stop cancel enter and up down arrows Navigation through the menus uses co...

Page 12: ...correlator and one for both Out Stations to be charged simultaneously All three batteries are identical and are interchangeable Charging for all batteries takes up to 4 hours from flat Charging the C...

Page 13: ...connector on the top of the transmitter The Out Stations will turn themselves on to charge Remember to turn control unit and Out Stations off after disconnecting charger cables Although the batteries...

Page 14: ...ore the Out Station turns off 3 Green LED functions The switch incorporates a green LED which provides the following functions When lit constantly the transmitter is charging When flashing rapidly the...

Page 15: ...f the display only press the On Off button and select 1 to put into standby If the correlator is not then used for 2 hours it will switch off To reactivate the screen press the On Off button again The...

Page 16: ...pe data If the Enter key is pressed the control unit will start to correlate as shown below Press ENTER to stop correlation to return to correlator function options There is an option to select either...

Page 17: ...page for quick correlation instructions or Correlation Screen section for more in depth instructions File Enables the user to load previously saved files or save a current correlation The control uni...

Page 18: ...ng functions such as pipe data filters and peak suppression can be changed on the loaded data without having to return to site to re correlate Using new information may correlate a different result Pr...

Page 19: ...trol unit For an accurate result it is recommended to save three correlation s but obeying the following two rules One of the sensors must remain static during the collection of data Which of the sens...

Page 20: ...given on the leak position and velocity but we recommend the user add a third result for a more confident result Then press 1 to add the third correlation result A third cross will appear and a best f...

Page 21: ...current regression analysis graph results Press 5 Delete Enables the deletion of saved regression analysis files Press 6 Information Displays correlation information After pressing 6 use the arrow key...

Page 22: ...and 4 0 seconds Each of these values provides the time delay range over which the correlator will correlate where the times in seconds shows twice the range For example over longer distances the 4 0...

Page 23: ...decrease the screen brightness Press 2 to incrementally increase the screen brightness Press 3 to incrementally decrease the screen contrast Press 4 to incrementally increase the screen contrast Pres...

Page 24: ...tored to the control unit Press 2 Units are Metric Toggle between METRIC and IMPERIAL measurement units Press 3 Time is in milliseconds Toggles between MILLISECONDS and SECONDS Press 4 Using HP printe...

Page 25: ...are Off Toggles between ON and OFF This should normally be set to OFF and is normally only used during fault diagnosis Press 8 Information Connect sensors to Out Stations and turn on before pressing...

Page 26: ...fault diagnosis Other System Options The MC Digital is designed for versatility Pressing 1 will activate the Permalog Patroller Link changing the MC Digital into a Permalog Patroller This is only pos...

Page 27: ...Blue Out Station The time delay is calculated at 2 3 milliseconds The correlation shown has a SNR of 29 1 Signal to Noise Ratio SNR means the largest correlation peak is 29x larger than any other disp...

Page 28: ...rately locate a leak position the user must enter the correct information with respect to the physical properties of the pipe Each section must be entered to be accepted by the system Press 5 to Add n...

Page 29: ...to enter Length the distance between the sensors In this example 124m Press 2 to enter material type use the arrow keys to select the required pipe material and press ENTER In this example cast iron i...

Page 30: ...rial situations press 5 to add another pipe If working on mixed materials work from the sensor colour displayed at the bottom of the pipe data screen back to the sensor colour at the top of the screen...

Page 31: ...r has calculated press 4 and type in the new velocity value this will automatically update the default value for the current correlation only To enter and store extra user defined velocity s and diame...

Page 32: ...centred around the dashed cursor line Moving the dashed cursor line along the graph to the required point then press 5 Use the arrow keys to zoom in or out stage by stage For a quicker zoom press 1 t...

Page 33: ...art point of the data to be removed and press 1 to select a start point A small arrow will appear below the correlation graph Move the dashed cursor line along the data to select the stop point Press...

Page 34: ...ss 7 View Settings During correlation or after stopping a correlation press 7 to view all pipe data and filter settings currently in use A pop up box appears to display the information Press Cancel to...

Page 35: ...ires the leak to be positioned closer to one of the sensors to create a larger time delay The procedure for a velocity check is to position your sensors as described above Induce your leak or use the...

Page 36: ...to either use the calculated velocity by pressing ENTER or CANCEL to ignore it By accepting the calculated velocity value the default velocity value under Pipe Data will be replaced with the new calcu...

Page 37: ...ensors will only listen to frequencies of 406Hz and above Quick set non metallic removes all frequencies from 696Hz and above So the sensors will only listen to frequencies of 695Hz and below Clear al...

Page 38: ...Hz and a low cut off was selected so all frequencies from 0Hz to 257Hz will be removed Press 2 High cut off When the right cursor line is selected the high cut off option is displayed Move the right c...

Page 39: ...of the area to be removed and press 3 again In this example 105Hz The notch area of filtered out frequencys will change colour to cyan The current correlation will now ignore frequencys from 81Hz to 1...

Page 40: ...he Palmer website www palmer co uk microcorr htm Once all the files have been downloaded to the PC start the MCD Updater Application and follow the instructions as described below Screen description T...

Page 41: ...his menu option closes the MCD Updater application The Unit Type Menu This menu allows the user to select the type of unit that is being programmed The user can either select Base Station or Out Stati...

Page 42: ...f completely and then switch back on again Upgrading an Out Station The following steps should be followed to upgrade the firmware within an out station 1 Connect the PC to the out station via the sup...

Page 43: ...light 14 hours continuous use with backlight Key functions Combined correlation survey mode Listen acoustic survey Frequency analysis Peak suppression Compute Data replay for post processing Velocity...

Page 44: ...n Flashing lights 2 Antenna External antenna Portability Integral sensor stowage Integral cable wrap Dimensions 210 x 145 x 305mm Weight 1 6kg Environmental IP68 Housing Fully injection mouled ABS Con...

Page 45: ...blems occur notify Palmer Environmental Ltd or its authorised representative giving full details of the problem and the model and serial number of the equipment You will receive technical advice and o...

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