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Summary of Contents for Palmer MicroCorr Dx II
- Page 1 MicroCorr Dx II User Manual Palmer Environmental Ltd Ty Coch House Llantarnam Park Way Cwmbran NP44 3AW MicroCorr Dx II User Manual United Kingdom MAN-079-0001 Issue A Tel: +44 (0) 1633 489479 Fax: +44 (0) 1633 877857 Date 03/01/07 Email: info@palmer.co.uk Written by SMK Web: www.palmer.co.uk...
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Page 2: Table Of Contents
Page 15 Switching on the Basestation Page 16 Main Menu Page 17 Correlate Page 18 Correlation Menu Options Page 20 Set Up Page 32 Test and Service Page 34 Contact Page 35 MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 3: Introduction
1 x High Quality Headphones Optional accessories are also available including: Hard Carry Case, Dual Frequency Ra- dios, Aviation Quality Headphones, PC Software, Vehicle Magmount Antennas, Digital Hydrophones, Leak Noise CD and Measuring Wheels. MicroCorr Dx II — Compact Leak Noise Correlator... - Page 4 The system builds on the proven digital technology developed by Palmer Environ- mental in its MicroCorr® Digital and DigiCALL systems but has been re-engineered to provide key functions in a cost effective package, retaining the highest levels of per- formance and quality. This enables it to achieve performance levels well in excess of previous analogue-based systems, with important benefits to the user including: •...
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Page 5: Operational Benefits
Intuitive display and operation • Quick correlation Reliability to inspire confidence • All functions self-calibrated automatically on power-up • In-built power management • In-built diagnostics • Increased battery life – batteries rechargeable and field replaceable MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 6: Principle Of Correlation
Depending on the environmental conditions, accuracy of leak pinpointing can be within centimetres. Principle of correlation can be defined by: L = ½ (D-(VxTd)) and is shown graphically below: MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 7: Digital Sensors
Low noise electronics with digital protocol eliminates interference Longer sensor cables possible High strength magnet Quality rubber housing for sensor protection Military specification amphenol connection MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 8: Digital Outstation
Virtually no data loss, interference or distortion of the transmitted signal Single radio frequency for all Outstations Improved dynamic range over analogue radios High speed data transmission using transform coding techniques No directional restrictions MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 9: Basestation Features
3: Backlit Monochrome LCD Screen 4: Injection Moulded Housing 5: Tactile Rubber Keypad 6: Battery Compartment Connection details 1: Headphone/Charger Connection 2: Sensor Connection 3: Communications Connection (RS232) 4: External Antenna/Magmount Connection MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 10: Outstation Features
MicroCorr Dx II Outstation Features Outstation general features 1: Injection Moulded Housing 2: LED 3: On/Off Switch 4: Carry Strap Outstation rear view 1: Headphone/Charger Connection 2: Antenna Connection 3: Sensor Connection MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 11: Battery Installation And Warning
Only batteries/ battery-packs supplied by Palmer Environmental must be used. The Palmer sealed battery packs contain circuitry to prevent overcharging and over-discharging. NOTE: If the system is going to be stored for any length of time, to ensure long life of batteries, please ensure they are at least half charged when stored. -
Page 12: Basestation Battery Installation
MicroCorr® Dx II Basestation. Plug the charger unit into the mains supply and switch on. The MicroCorr® Dx II Basestation will turn itself on and start charging, the unit will display a battery icon to signify charging. MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 13: Outstation Battery Installation
Red. With the LED flashing Yellow, the battery is OK. A Red flashing LED in- dicates the battery requires immediate charging. If the Outstation is off and the system is not on charge, the LED is off. MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 14: Outstation Deployment
The sensor has a strong magnet that will enable it to remain in position on steel/iron fittings. Always try and ensure you have a debris free contact between the sensor and the fit- ting for the best possible results. MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 15: Basestation Keypad Functions
Press again to give the option for Standby or Switch Off Enter Key Used on multiple screens and menus to accept changes/input Up and Down Arrow Keys Used on multiple screens to select different features MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 16: Switching On The Basestation
*There is an option to select either the Correlate or the Main Menu as the first screen to appear as the default screen on power-up. This can be selected by using the Set- up screen (Option 4 from the Main Menu). MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 17: Main Menu
Metric and Imperial measurements, changing system date/time, language settings. From here the user may also detail the current versions of firmware/software and perform diagnostics should a fault oc- cur. MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 18: Correlate
Once the graph displays an acceptable correlation result, press Cancel to stop the cor- relation. The screen will display the correlated graph and the user may use the menu options to analyse/configure the result. MicroCorr Dx II — Compact Leak Noise Correlator... - Page 19 The correlation shown has a SNR of 9:1. Signal to Noise Ratio (SNR) means the larg- est correlation peak is 9 x larger than the smallest displayed peak shown on the corre- lation graph. Hence the larger the SNR the more pronounced the peak will be. MicroCorr Dx II — Compact Leak Noise Correlator...
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Page 20: Correlation Menu Options
Press 5 to add a new pipe. The system will add a pipe with de- fault settings as shown below. Once the pipe has been added its properties must be defined. MicroCorr Dx II — Compact Leak Noise Correlator... - Page 21 Keys 1 – 4, define the pipes properties. If working on mixed pipe/section materials, work from the sensor to sensor. Up to 10 mixed materials can be used in one correlation. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 22 To remove a pipe/section from the Pipe Data screen, using the Up/Down Keys high- light the pipe/section you wish to delete and press Key 6 or press 0 to clear all data. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 23 Down Keys respectively. The longer dashed cursor line is the current line selected to move. The position of the currently selected cursor line is displayed under the bottom graph, in the following example 414Hz. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 24 648Hz and the high cut-off selected so all frequencies will be ignored from 648Hz up- wards. The filtered out area will go grey. By pressing Enter to accept the changes, the system will now only process frequencies between the low and high cut-off points. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 25 Now using the Up/Down Keys, move the same cursor to the right side of the fre- quency range you want to remove and press key 3 again (in this example we have placed this at 550Hz). The notch area will go grey. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 26 Press Enter to accept the filter changes and apply them to the current correlation. Clear all (4) This clears all filter settings currently set. Auto filter off (5) This will toggle between Auto filter off and Auto filter on. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 27 Key 3. To view the properties of a saved file, highlight the required file and press Key 4. From here you can view the file name, date/time, title and any com- ments that have been saved with that file. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 28 Using the Up/Down Keys allows the user to zoom in/out stage by stage. To quickly zoom in/out use the zoom max and zoom min options by pressing 1 or 5 respectively. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 29 Now move the cursor line along the data to select a stop point and press Key 1 again, the section is now removed. Press Enter to apply the changes to the current correla- tion. To restore the graph data press Key 2 to delete the suppressed data. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 30 7) View settings Displays the current pipe length, material, diameter and velocity and the filter settings for the current correlation. Press any key to close the pop-up window. MicroCorr Dx II — Compact Leak Noise Correlator...
- Page 31 If the leak is “out of bracket” (outside sensors), the distance will automatically be cal- culated by the unit and the velocity displayed. The new velocity is calculated and on pressing Enter, applied to the correlation. To cancel the calculated velocity check, press the Cancel Key. MicroCorr Dx II — Compact Leak Noise Correlator...
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Page 32: Set Up
+2 seconds to -2 seconds. If entering pipe data, the survey mode range automatically defaults to the appropriate setting. 4) Correlation sensors Toggles between the pairs of sensors to be used. Red-Blue, Red-Base, Blue-Base. MicroCorr Dx II — Compact Leak Noise Correlator... - Page 33 45, 50, 55 and 60 minutes. Press 2 to toggle the Backlight settings. 7) Display set-up Allows the user to change the contrast of the display screen. Press 1 to decrease the contrast and press 2 to increase. MicroCorr Dx II — Compact Leak Noise Correlator...
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Page 34: Test And Service
Connect sensors to Outstations and turn on prior to selecting this option. This dis- plays the current firmware and software versions currently installed on both the Out- stations and Basestation. 8) Diagnostics Displays critical information for fault diagnosis on the Basestation and Outstations. MicroCorr Dx II — Compact Leak Noise Correlator... -
Page 35: Contact
Fax: +44 (0) 1633 877857 General Enquires: information@palmer.co.uk Technical support: support@palmer.co.uk Web: http://www.palmer.co.uk Note Palmer Environmental reserves the right to change products, services or specifications without notice. MicroCorr Dx II User Manual MAN-079-0001 Issue A Date 03/01/07 Written by SMK...
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