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Page 3: ...ng the eventual transport protections Before shipping an authorization to return should be secured from Fibro System by telephone FAX or written letter The best way to ship will also be advised at tha...
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Page 5: ...ial specimens 13 6 3 Pump dispenser 14 7 Software functions 15 7 1 Graphmaster camera 15 7 2 Graphmaster test 16 7 3 Graphmaster database 20 8 Test methods 21 8 1 Static Mode 21 8 2 Dynamic mode 22 8...
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Page 8: ...ing the instrument is connected to the special PC software The software gives you an easy overview of the possible tests During the test the data transferred to the computer The pictures taken and the...
Page 9: ...sta Windows 7 Windows 8 Windows 8 1 or Windows 10 3 3 Scope of supply Your PGX instrument is delivered in a carrying case see picture including PGX software one millilitre syringe calibration plate gl...
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Page 11: ...and I follow the displayed instructions When the installation is terminated the new device 68 76 Pocked Goniometer PGX is ready to use Double click on the device to start the Test software Note If on...
Page 12: ...the PGX instrument on top of the calibration plate with its reference mark positioned above the dot as indicated in the picture Push gently on top of the instrument to make sure the instrument rests f...
Page 13: ...e g tissues textile and film or warping materials e g newsprint cigarette tipping paper should be mounted on top of a flat backing material using a soft sticky adhesive material A Place the PGX instru...
Page 14: ...the pump sequence to inhibit application of the droplet The liquid system is filled in the following way a Place the instrument on top of a flat surface b Locate the tiny air hole on top of the white...
Page 15: ...ize is adjustable to not interfere with other windows Double click on the image to switch the live image between greyscale and binary black white mode Click with the right button on the image to open...
Page 16: ...it It allows to close the Camera window even if the software doesn t reply 7 2 Graphmaster test This manual covers only the functions specific for the 68 76 Pocket Goniometer see the GraphMaster manua...
Page 17: ...ange is always available even when the test substrate appears too dark or too bright due to variations in light reflectance Double click on the label Gain Offset to restore the default value 24 Exposu...
Page 18: ...Down keys or pick up the base line handle 1 with the mouse and slide it to the correct position Adjust the position of droplet contour When the automatic contour is set incorrectly keep press Shift a...
Page 19: ...t Defines the minimum height of a droplet reduce for smooth surfaces Default value 10 Sobel Filter Enable the Sobel filter to improve measurements on rough surface but it can increase the stability of...
Page 20: ...7 2 5 Calibration 7 3 Graphmaster database 7 3 1 Surface energy The Surface Energy functions is available only for the Static and Dynamic mode The function is enabled only when 2 or 3 records are sele...
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Page 22: ...ond impossible to measure Instead the droplet is gently transferred to the surface from a very short free fall distance 8 2 1 Parameters Auto Method Off Manual test Volume Automatic test with droplet...
Page 23: ...ing tip must be equipped with a fine capillary tube inserted into the PTFE tubing P N 860309 In addition the distance between the dispensing tip and the test surface must be short enough to make sure...
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Page 26: ...e2 are the two times enter as parameters and the Angle1 and Angle2 are the angle measures at the prefix times The end test will be the values of the second time 8 6 1 Parameters Auto Method Off Manual...
Page 27: ...with the manual results superimposed Use the slider below the image to shift to another image 8 8 Surface free energy SFE As this surface property cannot be measured directly it is calculated from co...
Page 28: ...let applied on a reflecting background will appear as a dark saucer when the contact angle is below 90 degrees A high contact angle above 90 degrees will appear as a black snowman with a waist against...
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Page 30: ...he pump lid screw C is firmly tightened c If still no liquid is pumped release stop screw B a turn and then tighten the pump lid screw C firmly again d Repeat c above until liquid is pumped inside tub...
Page 31: ...d operating systems as these are completely outside our control Install a licensed Microsoft version on your computer re install the PG software and the problem should be gone Jumping image With a lim...
Page 32: ...in contact angle testing for historical reasons In general the contact angle is not affected by the droplet size as long as the droplet is not affected by the gravity For water having a high surface...
Page 33: ...Adjustment of Pump Volume The micro pump delivers droplets in steps of 0 5 l and for a target volume of 4 0 l the pump will make eight pump movements The Static Mode can be used to measure the average...
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