PORTAGAUGE
®
4
USER MANUAL
Page 1: ...PORTAGAUGE 4 USER MANUAL...
Page 2: ...The Portagauge 4 Definition of Menu Items 1 3 How does a Portagauge 4 work 2 Operating Instructions 2 1 Introduction 2 2 Preparation 2 21 Assembly 2 22 Probes 2 23 Probe Membranes 2 24 Calibration 2...
Page 3: ...use of ultrasonic methods the Portagauge 4 only needs access to one side of a surface to measure the thickness of the material This enables the device to non invasively measure the wall thickness of...
Page 4: ...navigated using the left right up and down keys and selected using the Enter OK key at the centre Menu Button Accesses the menu for the unit see page 5 for more information on menu items Right Option...
Page 5: ...aining battery life The green changes to yellow when the battery is getting low and then changes to red when the batteries are critically low The measurements can be displayed to a resolution of 0 05m...
Page 6: ...kness of a material The unit sends a strong electrical signal to the probe causing it to emit a high energy pulse of ultrasound The transmitted ultrasound pulse travels though both the coating and the...
Page 7: ...are two basic procedures which must be carried out when using the Portagauge 4 1 Preparation Calibration ensures that the Portagauge equipment functions properly for the specific metal being tested 2...
Page 8: ...ess gauges are single crystal soft faced probes The table below identifies the different probe options and which probe is the most suitable for different applications All probes are color coded to hel...
Page 9: ...perature Membranes Teflon membranes are available for measurements on hotter surfaces In this case measurements can be taken on surfaces up to 302 F 150 C Care should be taken that the probe does not...
Page 10: ...nd right buttons on the directional pad to adjust the velocity of sound to the required new velocity that the ultrasound travels at in the material being tested Approximate values for these may be fou...
Page 11: ...Thickness Measurement with Ultrasound Berlin German Society of Nondestructive Testing Material Speed m s Aluminium Rolled Duraluminium 6200 6360 6420 6320 Bronze 5 P 3531 Copper 3666 4760 Glass Plate...
Page 12: ...or delaminated then air pockets will exist which interfere with the Ultrasound PROCEDURE STEP 1 Unscrew the probe knurled ring and apply a few drops of membrane oil to the face of the probe Do not app...
Page 13: ...n order to obtain measurements only do so if you are having trouble obtaining measurements STEP 9 If you wish to hold a measurement press the Left Option Key whilst readings are being taken The displa...
Page 14: ...occur if it is dropped or if the probe is dragged across the surface rather than being removed and replaced Never try to repair a probe or try to remove scratches from the face of the probe This may...
Page 15: ...a Portagauge unit is going to be stored or not used for a long period of time remove the battery from the main unit to prevent corrosion damage to the unit STEP 5 Refit the retaining ring 3 and secur...
Page 16: ...holding down the hatch of the battery compartment STEP 3 Lever the screwdriver gently to remove the hatch STEP 4 Remove the old batteries and replace with the new taking care to connect and correctly...
