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Coating Thickness Tester

User Manual

Please read this manual before switching the unit on.
Important safety information inside.

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Summary of Contents for HU14002

Page 1: ...Coating Thickness Tester User Manual Please read this manual before switching the unit on Important safety information inside ...

Page 2: ...al Hints for Calibration 9 4 1 1 Calibration methods 9 4 1 2 Storing calibration Values 10 4 1 3 calibration Example 10 4 1 4 High Accuracy Calibration 10 4 1 5 Cleaning the Measuring Point 10 4 2 Special Hints for calibration 10 4 2 1 Zero point Calibration no need to enable calibration 11 4 2 2 One point calibration 11 4 2 3 Two point Calibration 12 4 2 4 Shot blased Surfaces 13 4 3 General Rema...

Page 3: ...elete single readings and all group readings easily High alarm and Low alarm for all working mode Low battery error indication USB interface for PC analysis software Disable Auto Power off function via MENU setting 1 1 Application This compact and handy gauge is designed for non destructive fast and precise coating thickness measurement The principal applications lie in the field of corrosion prot...

Page 4: ...dings GROUP mode permits measurement and storage of readings in a free programmable memory A maximum of 400 readings and 4 series of measurements can be analyzed according to various statistical criteria 1 3 Supply Schedule Gauge with two 1 SV battery plastics carrying case operating instructions English steel and aluminum substrate USB connecting cable Program disc for Windows 98 2000 XP Vista17 ...

Page 5: ...ter of Minimum area 7mm 5mm Basic critical thickness 0 5mm 0 3mm Working temperature 0 C 40 C 32 F 107 F Working relative humidity 20 90 Size HxDxW 110x50x23mm Weight 100g 1 6 Front View 1 Probe 2 Power ON OFF key 3 Zero Calibration key 4 Down Right key 5 Blue key for ESC NO BACK function in menu mode or backlight ON OFF In working mode 6 Main display for coating thickness 7 Measuring unit 8 NFe i...

Page 6: ...em and B em power on into MEN system a age view mum view mum view berview view ure mode Single Contin king mode Direct Group Group Group y s state y missing witches of l make fa ery e down o om the ba mpartmen en with sc anode a Basic Set n the gau NU mode arranges w e mode uous mod e 1 2 3 of charge or batter ff after ab aulty mea on a suita attery com nt crew and catho ttings uge will w e See fo...

Page 7: ...ning display of readings In continuous mode readings are not accompanied by a bleep All readings taken in this mode will automatically be entered into the statistics program as long as sufficient memory is available Single mode In Single mode readings are accompanied by a bleep Besides Others are same as Continuous measurement mode 2 3 2 2 Used probe The probe can work in three modes AUTO The prob...

Page 8: ...utomatic F in MEN on once t the statis nimum an ed on the measurin ew item urrent gro w in MEN for curre ower off for abou And Dat operating udes GR ded for q logged to ode all r ed until lo values c ram can ll new re vidual ca l memori their ass ously Press red cally U system to switch stic displa nd Sdev e lower rig g reading in MENU oup NU you c ent group via MEN t 3 minut ta Proces modes D RO ...

Page 9: ...me alibration methods mmended has the s he casing recomme rror of pr of probe b calibratin ted will be e will be m using a s measurem recise m ed is betw memory c values C nd stored ake sequ d If need ate value ROUP mo UP mode t appear o U system obe in the ding will ent n s availabl d for mea same ma g ended if m robe are be error g using a e close to max 1 set of two ments on easurem ween the ca...

Page 10: ...operties Substrate thickness Size of measuring area The point at which the calibration is made on the calibration sample must always be identical with the point of measurement on the product itself especially in the case of corners and edges of small parts 4 1 4 High Accuracy Calibration To achieve high accuracy readings it is advisable to log calibration values both zero values and calibration fo...

Page 11: ... 10cm Press and hold Zero button for about 1 5seconds the LC display 0 0 um The calibration is finished Repeat this procedure several times The calibration system always saves the mean value of the previous calibration point NOTE You can delete the old zero point calibration before making a new zero point calibration via MENU system if existent The meter always calculates the mean of 5 calibration...

Page 12: ... of measurements is being taken foil calibration can be carried out often as necessary The old calibration will be overwritten the Zero calibration remains in memory 4 2 3 Two point Calibration Suggest that gauge is in single work mode If necessary switch to the mode as MENU system This method requires the use of two different foils The thicker one should be if possible 1 5 times as thick as the t...

Page 13: ...the same substrate as the later measuring sample Now take approx 10 readings on the uncoated shot biased sample to produce the mean value Xo After this take approx 10 further readings on coated shot blasted test sample to produce the mean value Xm The difference between the two mean values is the mean coating thickness Xeff over the peaks The greater standard deviation s of the two values Xm and X...

Page 14: ...lue it is advisable to place the probe several times at a typical measuring spot Any false readings or outliers can be removed immediately via MENU system The final reading derives from the statistical calculation and from the guaranteed tolerance levels of the gauge Coating Thickness D X s µ Example Readings 150 µm 156 µm 153 µm Mean value X 153 µm Standard deviation s 3 µm Measuring uncertainty ...

Page 15: ...The sample standard deviation increases with increasing spread out The standard deviation of a set of numbers is the root mean square of the variance S2 The variance of a list is the square of the standard deviation of the list that is the average of the squares of the deviations of the numbers in the list from their mean divided by the number of readings 1 Variance S2 x ẋ 2 n 1 Standard deviation...

Page 16: ...s Delete all data function In addition this function will delete HIGH alarm Low alarm and One Two point calibrations 8 Gauge Control Via PC All measuring readings of all work modes can be downloaded to PC via USB port for data analysis See software guide for more details 9 Trouble Shooting The following list of error messages explains how to identify and eliminate faults Err1 Err2 Err3 Connecting ...

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