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M5-CYG4-M-01_Iss6.doc

Cygnus 4 Operating Manual

21

Turning the Gauge On

1.

Press the Power key

2.

Cygnus Instruments Logo is

displayed

3.

The gauge details are displayed;

Model

Serial Number

Version Number

Run Time

4.

The gauge is ready to use

Turning the Gauge Off

1.

Press & Hold the Power key,

2.

The display shows ‘power-off’ and

the gauge turns off.

Automatic Power Off

By default the gauge will turn off automatically after 5 minutes of

in activity.

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Summary of Contents for Cygnus 4

Page 1: ...Cygnus 4 Multiple Echo Ultrasonic Thickness Gauge Operating Manual Covers Gauge Model M5 C4 Doc No M5 CYG4 M 01_Iss6 doc 18 October 2016...

Page 2: ...rovide products and services that meet or exceed customer expectations in terms of performance reliability and safety Internal Systems Operate effective and safe working practices that comply with ISO...

Page 3: ...eels 14 Measuring Non Metals 14 Single Element Probes and Protective Membranes 15 Summary of Cygnus Probes 18 Single Element probes 18 The Probe Type Code 19 5 Gauge Operation 20 Gauge Controls 20 Tur...

Page 4: ...45 Set Time and Set Date 45 9 General Points On Thickness Gauging 47 10 Troubleshooting 48 The Gauge will not Switch On 48 Difficulty obtaining a Reading 48 If Readings are Erratic or Unstable 48 Tip...

Page 5: ...M5 CYG4 M 01_Iss6 doc Cygnus 4 Operating Manual 5 17 Index 61...

Page 6: ...this manual proper transducer selection correct zeroing of the transducer correct sound velocity correct use of the appropriate test blocks proper cable length and proper couplant selection all play...

Page 7: ...atings which are ignored Measurements can be displayed in either Metric mm or in Imperial inch units The gauge has an side mounted sunlight readable LCD graphic display which can be easily read in mos...

Page 8: ...and to withstand the harsh environments that they are intended for We have built up an enviable reputation with our customers in over 45 countries around the world Regional Offices CYGNUS Instruments...

Page 9: ...1 Cygnus 4 Gauge 2 Operating Manual in side pouch 3 Neck Strap in side pouch 4 Ultrasonic Probe 5 Moulded Probe Cable in side pouch 6 Accessory Pouch containing 3 x AA Batteries Blue Couplant Gel 15m...

Page 10: ...ar of gauge The hand strap can be separated by a push button buckle to gain access to the battery cover The battery cover is removed by pressing in with your thumb the at the base to release the clip...

Page 11: ...at offers superior flexibility and resistance to oils and ultraviolet light The cable will not stiffen after exposure to ultraviolet light The connector uses original Lemo connectors for reliability D...

Page 12: ...Operating Manual M5 CYG4 M 01_Iss6 doc 12 Wire loop fitted to the gauge body Simply pass the loop through the hole in the gauge and back over the other end The neck strap can then be clipped on to th...

Page 13: ...the application The gauge must be set for the probe connected to it The probe type is displayed at the top of the measurement screen in the status area Probe Type set to S2C Measuring Metals Material...

Page 14: ...th of the ultrasound beam found in all twin element probes This makes it simple to calibrate two point calibrations are not required However because it requires three echoes to take a measurement in h...

Page 15: ...soft face and are therefore fitted with a Polyurethane Membrane which provides better contact on rough surfaces and protects the probe face from wear prolonging the life of the probe Check the membra...

Page 16: ...Cygnus 4 Operating Manual M5 CYG4 M 01_Iss6 doc 16 Single Element Probe Membrane Locking Key...

Page 17: ...ace a new membrane into the end of the Knurled Ring ensuring it locates in the groove 4 Screw the Locking Ring back inside the Knurled Ring and tighten with the Membrane Key 5 Place a few drops of Mem...

Page 18: ...n contact with the hot surface to less than 4 seconds and ensure the probe has sufficient time between measurements to cool down Summary of Cygnus Probes Single Element probes Probe Type Size Frequenc...

Page 19: ...M5 CYG4 M 01_Iss6 doc Cygnus 4 Operating Manual 19 The Probe Type Code S 2 C Single or Twin Crystal Frequency in MHz Size A 6mm B 8mm C 13mm D 19mm...

Page 20: ...Cygnus 4 Operating Manual M5 CYG4 M 01_Iss6 doc 20 5 Gauge Operation Gauge Controls End view of gauge Front view of gauge Probe Connection Power Key Select Keys Menu Key Navigation Keys...

Page 21: ...s displayed 3 The gauge details are displayed Model Serial Number Version Number Run Time 4 The gauge is ready to use Turning the Gauge Off 1 Press Hold the Power key 2 The display shows power off and...

Page 22: ...city of Sound value Calibration Status Probe Type Measurement Mode Deep Coat Function Probe Type when the probe is connected the background colour is green when disconnected it is grey Taking Thicknes...

Page 23: ...ce on the clean lubricated test surface and make firm contact applying gentle pressure 4 The gauge will display a thickness measurement Or an indication of Echo Strength if no valid measurement has be...

Page 24: ...ady 1 Bar Flashing 3 echoes detected but they are not matched To help obtain a multiple echo reading the operator should continue to move the probe around to locate a suitable reflector using a slight...

Page 25: ...ment value now has a light blue border to indicate its held or froze 3 Press the X Cancel key to un hold the thickness measurement Battery Life The gauge will operate continuously for approximately 10...

Page 26: ...Battery Indication The gauge will periodically flash a red Low Battery warning sign when the batteries have approximately 1 hour of use remaining Low battery indication When the batteries are exhauste...

Page 27: ...ntly accurate This means the accuracy of any thickness gauge measurement relies principally on the velocity being correct for the material being measured There are tables listing the velocity of most...

Page 28: ...curate than using a general velocity value For calibration instructions see page 28 If there is no test sample available the Gauge can be calibrated by Setting the Velocity of Sound directly A table o...

Page 29: ...4 While holding the probe firmly on the sample and while a steady thickness measurement is displayed 5 use the Up and Down keys to adjust the thickness to the required value 6 When done press the OK...

Page 30: ...y set the velocity of sound value if required normally you would do this if You can t perform a calibration You want to use the same velocity setting as last time You want to use a velocity from a mat...

Page 31: ...Use the Left and Right keys to highlight the digit to change 5 When done press the OK Select key to save the changes Or press the X Cancel key to exit without saving When the velocity has been manual...

Page 32: ...key 2 the Main Menu is displayed 3 Use the four Navigation keys to scroll around the Main Menu 4 Use the Up and Down keys to select a group in the left column 5 Press the Right key to move to the item...

Page 33: ...Or press the red X Cancel key to abort 6 Press the Left key to go back to the main group if you want to make another selection 12 To exit the menu press the Menu or red X Cancel key once Settings are...

Page 34: ...t the digit then the Up and Down keys to change the highlighted digits value 1 The units digit is highlighted Pressing Up or Down will change the units value only 2 Pressing the Left key will move the...

Page 35: ...een in the status area When a probe is connected the background is green When no probe is detected the background is grey S2C Probe Selected and Connected S2C Probe Selected but NOT Connected 1 Access...

Page 36: ...a setting has changed this is normal The reason settings are saved with each probe type is so you can swap probes during a survey without having to re calibrate each time Automatic Probe Detection Th...

Page 37: ...to the Measurement group Then scroll right and select Units Press the Ok Select key to open the Units function 2 Use the Up and Down keys to switch from mm to Inch 4 Press the OK Select key to save Or...

Page 38: ...esolution 3 Press the OK Select key to save Or press the X Cancel key to exit without saving Limit Functions The gauge has a Limit function that can be used to Give visual indication of measurements b...

Page 39: ...se an Alert This limit is optional and can be set to zero When Limits are enabled the measurement screen displays a horizontal bar graph showing the limits and the current measurement in relation to t...

Page 40: ...asurement is 5 10 mm so the bar graph shows a red bar positioned at the Minimum point Now the thickness measurement is 20 00 mm so the bar graph shows a red bar positioned at the Maximum point Now the...

Page 41: ...eys to select the Minimum Reference Maximum or Vibrate settings Press the Ok Select key to open the selected item 4 Use the navigation keys to change the setting Press the OK Select key to save Or pre...

Page 42: ...sound to pass through soft coatings like rubber or bitumen don t transmit ultrasound very well Using Deep Coat will not affect the calibration Turn Deep Coat Off when NOT measuring through thick coati...

Page 43: ...M5 CYG4 M 01_Iss6 doc Cygnus 4 Operating Manual 43 When Deep Coat is turned On a DC indicator will be displayed in the status area at the top of the measurement screen DC Deep Coat is ON...

Page 44: ...ness measurement is found to alert the user You can use this menu item to turn this On or Off as required Brightness Setting The display brightness can be set Manually or Automatically using the ambie...

Page 45: ...r saving settings these determine how long before the gauge will dim the display and ultimately turn off when the gauge is inactive inactive no key presses and no thickness measurements Power Save Mod...

Page 46: ...Cygnus 4 Operating Manual M5 CYG4 M 01_Iss6 doc 46 Note Although the Cygnus 4 gauge displays the time and date it does not use them for any function...

Page 47: ...enty of couplant present for good contact but beware that on a pitted surface the Gauge may just measure the couplant filled pit always avoid measuring directly over external pits Beware that in extre...

Page 48: ...d Probe together on a test block if there is still no reading the Gauge may require servicing If Readings are Erratic or Unstable Check that the Probe lead is properly connected to both Probe and Gaug...

Page 49: ...ed metal with single element probes the gauge uses more power searching for a multiple echo match this can significantly reduce battery life So if you are frequently measuring on very heavy corrosion...

Page 50: ...al Software and look for a PDF document called M5 Surface Gauge Firmware Version Info view this document to find the latest version for your gauge along with any changes made Note you will need to cre...

Page 51: ...the batteries if the Gauge will not be used for more than a few days Only use leak proof batteries Cygnus recommend Duracell batteries Environmental Do not immerse the Gauge in liquids The gauge is d...

Page 52: ...reliability very often problems with getting measurements are simply due to the way the Gauge is being used However if you do need to return your Gauge for Repair please let us know the details of the...

Page 53: ...puts N A Through Coating Measurements Multiple Echo mode with Single element 0 probe Through coating measurement for coatings up to 3 mm thick as standard depending on coating velocity with S2C probe...

Page 54: ...Duration S2C 220 ns S2D 220 ns S3C 100 ns S5A S5C 67ns Receiver Gain Control Automatic Gain Control depending on probe and measurement mode Frequency Range 1 0 MHz to 10 0 MHz 6dB Other Information D...

Page 55: ...ing Manual 55 Cygnus M5 C4 Technical Specifications MIL STD 810G Method 516 7 Transit Drop 1 22m Compliance RoHS Compliant Designed for BS EN 15317 2013 CE Marked including EMC Specifications are subj...

Page 56: ...ional wave velocity cl Material Velocity of Sound V Conversion Factor f m s in us Aluminium alloyed 6380 0 2512 1 078 Aluminium 2014 6320 0 2488 1 068 Aluminium 2024 T4 6370 0 2508 1 076 Aluminium 211...

Page 57: ...Steel and merely convert the readings by multiplying by the Conversion Factor for the material being measured This method avoids unnecessary recalibration Example The Gauge is calibrated for Steel 592...

Page 58: ...Cygnus 4 Operating Manual M5 CYG4 M 01_Iss6 doc 58 14 EU Declaration of Conformity...

Page 59: ...ecycled and reused It may contain hazardous substances that could impact health and the environment In order to avoid the dissemination of those substances in our environment and to diminish the press...

Page 60: ...erformed or making any other claim under this warranty CYGNUS will not be liable under this warranty unless the total price for the Product was paid by the due date for payment 4 This warranty does no...

Page 61: ...ber 21 Ignore Coatings 14 Imperial 37 Main Menu 32 Measurement Pitted surface 47 Measurement Resolution 37 Rough surfaces 47 Units 37 Metric 37 Multiple Echo 14 Echo Bars 23 Neck Strap 11 Power button...

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