Digi-Derm - Pdfstream.manualsonline.com
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1. 2 5 2 3 1 Measurement method 22 5 2 3 2 Holding displayed value 2 6 2 3 3 Outputting displayed value 2 6 2 3 4 ROG SCIDO ni erem ere ra PER 2 6 23D OVER indIGALION coire dare se ts heo erre tees 2 6 3 SPECIFICATION AND SAFE KEEPING 3 1 3 1 Specificalioris 5 menn 3 1 1 General specifications 3 1 2 Output specifications ss 9 2 Safe keoping nb DP SERVICE NETWORK 1 INTRODUCTION INTRODUCTION 1 1 Preface The Mitutoyo Digi Derm is a coating thickness gage of non destructive type with a digital display If it is connected to the Digimatic Mini processor measurements can be printed and processed Read this op eration manual carefully before use 1 2 Application 1 No 179 741 179 745 amp 179 746 Capable of measuring the thickness of the following types of non magnetic plating films etc applied to magnetic materials Iron Nickel Cobalt etc e Plating Gold Copper Zinc Tin Chromium Lead Cadmium etc e Paint Oil based paint Lacquer Synthetic resin Metallic coating Rubber paint etc Lining Resin Rubber Tar Glass etc e Parkerizing Metal spraying Oxide film and other special film e Film Metal Resin Rubber Paper or any other non magnetic film can be measured using steel base metal as the reference 2 No 179 755 amp 179 756 Capable of measuring the thickness of the following types of non conduct2. 3 1 digit 1 1 1 5mm 1 1 1 5mm Display 3 5 digit LCD 6 digit LCD Output Analog output Digimatic Code Output format 1V fullscale For connection with M SPC system Min measuring area 65mm 2 608mm 3 Min radius of Convex 3mm 12 Convex 7mm 28 curvature Concave 25mm 98 Concave 25mm 98 Min thickness of base metal 0 3mm 012 Power supply Two way four dry batteries of SUM 3 or AC adaptor 6V DC Power consumption Approx 120mVA Battery life Approx 80 hours under continuous service When battery voltage is down the message ERR will be displayed Operation temperature 0 40 C Dimensions Digi Derm 180 H x 100 W x 44 D mm 7 1 x 3 9 x 1 7 Detector 615 x 43 L mm 6 x 1 7 Weight 500g 1 11bs includes batteries MANUAL No 99MBH001B Code No 179 741 179 745 179 746 179 755 179 756 Standard SUM Buiten 4 accessories e Carrying case e Case for films e Base metal SPC No 933038 1 e Base metal ALP No 937305 1 e Calibration film set No 945014 1 e Calibration film set No 945049 1 25um No 527599 25um No 527599 S0um No 527600 S0um No 527600 100um No 527601 100um No 527601 250um No 527602 250um No 527602 500um N0 527603 500um No 527603 1000um No 527604 1000um No 527604 lea 1500um No 685013 lea Optional e AC adaptor accessories No 5280
3. Digi Derm is ready for measurement It will indicate the coating thickness on the point where the probe is ap plied For accurate measurement the probe should be applied to the same point as that where calibration was performed Calibration the Digi Derm regularly at appropriate intervals 1 Measurement on a curved or round surface The V grooves of a probe allow exact measurement on a curved or round surface For measurement on such surface calibrate the Digi Derm first in the same conditions as those in which measurement is to be performed i e using a base metal of the same material shape and thickness as that of the workpiece ro se V groove ESOC HH ER RR ER ER PASO See RSS BR ER ta SS d Fig 6 2 Other notes on measurement If surface roughness of the base metal is over 3um Rmax or the coat ing thickness is not uniform the coating thickness should be deter mined as the arithmetical average of several points on the same surface MANUAL No 99MBH001B 2 5 2 3 2 Holding displayed value Pressing the Hold key with the probe applied on the measured surface holds the display with H or E 179 741 sigh indication The analog output is not held in the HOLD state 179 741 To release the Digi Derm from HOLD state press the key again 2 3 3 Outputting displayed value If data print out and processing are needed connect the Data output connector o
4. 41 For 100V AC No 528041A For 120V AC No 528041D For 220V AC with West German AC plug No 528041E For 240 220V AC without an AC plug No 936937 Connection cable for M SPC No 732135 Probe for small hole For 179 741 179 745 amp 179 746 only 3 1 2 Output specifications 1 Connector pin assignment 9 7 5 3 1 O O O O 0 QO O O 0 0 10 8 6 4 2 Fig 8 Pin No Signal O Description 1 GND Ground 2 DATA O Measurement data 3 CK O Clock for transmission 4 RD O Ready for transmission 5 REQ I Request for data transmission 6 10 NC Notused 3 2 WAWOAE NO 99MBH001B 3 SPECIFICATION AND SAFE KEEPING 2 Data format HEHEOTAN MSD ka All F 1111 cc point Ordinary Sign Measurement 3 1100 Unit measurement 0 0000 mm 0 0000 F 1111 8 0001 inch 1 1000 Fig 9 Data consists of 13 digits d1 thru d13 each digit consists of 4 bits Data output to a linked data processor or other peripheral is effected via pin No 2 from d1 to d13 in bit serial from the LSB 2 to the MSB 2 for each digit 3 Timing chart Using Print key of Digi Derm 50 1 50usec or more 50 Fig 10 Using request signal for dmata transmission from the peripheral with out using Print key of Digi Derm 2msec or more un CU NN MANUAL No 99MBH001B 3 3 3 2 Safe keeping For long service life of Digi De
5. No 99MBH001B1 SERIES No 179 VE ec De MId MM BiH Ka WP My T DM Digital coating thickness gage User s Manual Read this User s Manual thoroughly before operating the instrument After reading retain it close at hand for future reference Mitutoyo CONVENTIONS USED IN USER S MANUAL Safety Precautions To operate the instrument correctly and safely Mitutoyo manuals use various safety signs Signal Words and Safety Alert Symbols to identify and warn against hazards and potential accidents The following signs indicate general warnings Indicates an imminently hazardous situation which if not avoided will result in serious injury or death DANGER Indicates a potentially hazardous situation which if not avoided could result in serious injury or death CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or property damage WARNING The following signs indicate specific warnings or prohibited actions or indicate a mandatory action Alerts the user to a specific hazardous situation The given example means Caution risk of electric shock Prohibits a specific action The given example means Do not disassemble Specifies a required action The given example means Ground oor 1 INTRODUCTION CONVENTIONS USED IN USER S MANUAL On Various Types of Notes The following types of notes are provided to help the operator obta
6. d tear abuse through misuse or improper use handling storage maintenance service repair or through adaptation modification by the original purchaser or any third party without prior written consent of Mitutoyo or as a result of damage by an actual disaster or circumstances beyond the control of Mitutoyo To obtain service under this warranty the product must be returned to the nearest Mitutoyo Service Center Any postage insurance or shipping charges incurred in returning the product for service are the responsibility of the purchaser This warranty is not transferable and is only valid within the country of the original purchase You may have additional rights under the laws of country of original purchase that do not allow the exclusion of implied warranties or the exclusion or limitation of certain damages If these laws apply Mitutoyo s limitations and exclusions may not apply to you 1 INTRODUCTION CONTENTS CONVENTIONS USED IN USER S MANUAL i Vae airline iii 1 INTRODUGTION 12 1 6 maana manna manlang 1 1 1 1 Preface 1 1 2 Application eee 151 1 3 Nomenclature and Function eene 1 2 2 OPERATION ite ae 2 1 2 1 Setting Power Source uueuensennensennennnnnnennnnennnnnennnennnnne nennen 2 1 2 2 Calibration 2 2 2 2 1 Zero adjustment 22 2 2 2 2 Gain adjustment 2 3 2 2 3 Notes on calibration 2 4 2 3 Measurement
7. imen was used as a base metal in the above example to explain calibration procedures use a base metal identical in material shape and thickness with that of the workpiece for calibration for improved accuracy in measurement If such a base metal is not available use one as similar in these three characteristics as possible to the workpiece to be actually measured About the base metal size For a flat surface base metal more than 30 x 30mm is recom mended to use for reliable calibration although the portion of 05mm 2 for 179 741 179 745 amp 179 746 or 68mm 3 for 179 755 amp 179 756 can be measured 1 Material The material of the base metal used for calibration should be as similar to that of the workpiece as possible 2 Shape The shape of the base metal used for calibration should be as similar to that of the workpiece as possible Calibration should be performed at a point where measurement is to be actually performed Ex When taking measurement at point A calibrate at point A The same is true with the other points in Fig 5 Coating Base metal Workpiece Fig 5 3 Thickness The thickness of the base metal used for calibration should be as simi lar to that of the workpiece as possible But a base metal of over Imm in thickness hardly affects thickness measurement MANUAL No 99MBH001B 2 OPERATION 2 3 Measurement 2 3 1 Measurement method If calibration is complete the
8. in reliable measurement data through correct instrument operation IMPORTANT e An important note is a type of note that provides information essential to the completion of a task You cannot disregard this note to complete the task e An important note is a type of precaution which if neglected could result in a loss of data decreased accuracy or instrument malfunction failure NOTE A note emphasizes or supplements important points of the main text A note supplies information that may only apply in special cases e g Memory limitations equipment configura tions or details that apply to specific versions of a program TIP A tip is a type of note that helps the user apply the techniques and procedures described in the text to their specific needs It also provides reference information associated with the topic being discussed Mitutoyo assumes no liability to any party for any loss or damage direct or indirect caused by use of this instrument not conforming to this manual Information in this document is subject to change without notice Copyright Mitutoyo Corporation All rights reserved WARRANTY In the event that the Mitutoyo Digi Derm should prove defective in workman ship or material within one year from the date of original purchase for use it will be repaired or replaced at our option free of charge upon its prepaid return to us This warranty shall not apply if the product has been subject to fair wear an
9. ive plating films etc applied to non magnetic materials Brass Copper Aluminum etc e Paint Oil based paint Lacquer Synthetic resin Rubber paint etc Lining Resin Rubber Tar Glass etc e Oxide film and other special film e Film Resin Rubber Paper or any other non conductive film can be measured using Copper Brass or Aluminum base metal as the reference MANUAL No 99MBH001B 1 1 1 3 Nomenclature and Function 1 Main unit Zero adj volume Display r Gain adj volume Probe cable Power sw Data output Inch mm connector or conversion Analog output sw connector 179 741 Print key Hold key except for 179 741 AC adaptor jack Battery lid Rod stand Rear view 1 2 MANUAL No 99MBH001B MANUAL No 99MBH001B 1 INTRODUCTION 2 Probe Stopper Knurled sleeve Cable 4 Bobbin case s OD EEE x Zero adj volume Used to set the displav to zero Gain adj volume Used to adjust the Digi Derm to indicate precisely the thickness of calibration film Print key Used to output the displayed value to the connected Digimatic Mini processor except for 179 741 Hold key Holds and releases the displayed value alternately Inch mm conversion sw Con
10. n the Digi Derm to the Digimatic Mini processor op tional with the cable No 936937 optional To output the displayed value to the processor press the Print key on the Digi Derm except for 179 741 or the data entry key on the processor Data output can also be performed in the HOLD state 179 741 additionally requires the A D converter 2 3 4 Rod stand You can raise the rod stand folded in the bottom of the Digi Derm so as to incline the front panel Since the rod stand can easily become de tached don t use this stand as a carrying handle or for any purpose other than as a stand 2 3 5 Over indication If OVER or Initial display 179 741 is displayed when the probe is placed on the measured surface this means that the thickness is exceeding the measuring range of the Digi Derm T Measuring range Coating ZS Wwi WW QW Base metal Fig 7 2 6 MANUAL No 99MBH001B 3 SPECIFICATION AND SAFE KEEPING 3 1 Specifications 3 1 1 General specifications SPECIFICATION AND SAFE KEEPING Code No 179 741 179 745 179 746 179 755 179 756 Workpiece Non magnetic coating on Non conductive coating on magnetic material on non magnetic material Range 1 500mm 05900 1 000mm 03930 Resolution 0 001mm 00005 Accuracy range 3umtl digit 2umtl digit 2um l digit 0 0 1mm 0 0 1mm 0 0 1mm 3 1 digit 2 1 digit 2 1 digit 0 1 1 1mm 0 1 1 1mm 0 1 1 0mm 4 1 digit
11. rm observe the following maintenance points Keep the Digi Derm clean and avoid moisture in the storage loca tion Do not apply excessive force or shocks to the Digi Derm Turn the Digi Derm OFF after use Remove the batteries from the Digi Derm when the Digi Derm is to be left unused for a long period Avoid rubbing or excessive pressing of the measuring face of the probe to prevent scratches or deformation Wear on the measuring face degrades measuring accuracy Check the accuracy of your Digi Derm in the following manner 1 prepare two calibration films of different thickness e g 50um and 100um 2 calibra tion the Digi Derm on the provided reference specimen with one calibration film e g 100um and 3 make sure that the measure ments of the other film e g 50um are as accurate as laid out in Specification MANUAL No 99MBH001B 3 SPECIFICATION AND SAFE KEEPING MANUAL No 99MBH001B 3 5
12. s end completely level with the specimen surface The probe should be applied to a point where a measurement is to be actually performed EX metric ZN Reference specimen Fig 3 3 Apply the probe to the same point on the specimen as in 2 sev eral times in succession then check that zero is displayed each time 2 2 MANUAL No 99MBH001B 2 OPERATION 2 2 2 Gain adjustment Perform gain adjustment after zero adjustment 1 Place the provided calibration film on the reference specimen For accurate measurement use a calibration film of thickness as close to that of the coating to be measured as possible 2 Applying the probe on the calibration film turn the Gain adj vol ume until the Digi Derm indicates exactly the thickness as desig nated on the film Refer to 2 2 1 2 for the way the probe is ap plied The probe should be applied to the same point as used for Zero Adjustment SPAN NA EX metric IN Calibration film Ex 100m Reference specimen Fig 4 3 Remove the calibration film then check the zero point refer to 2 2 1 3 Place the film on the specimen again apply the probe to the film surface at the same point as applied at 2 several times then check that the correct film thickness is displayed each time MANUAL No 99MBH001B 2 3 2 2 3 Notes on calibration Although the provided reference spec
13. verts the displayed mm values to inch values and vice versa MANUAL No 99MBH001B 2 OPERATION OPERATION 2 1 Setting Power Source The Digi Derm operates from either dry batteries or AC power source Perform the following setup with the Digi Derm turned OFF 1 Dry Batteries Use four pieces of R6 SUM 3 First remove the battery lid on the bottom of the case by pushing it in the arrow marked direction then set the batteries over the ribbon in the proper polarity Pulling the ribbon removes the batteries Ribbon Fig 2 When the low battery indication ERR is displayed or three decimal point indications are turned on during operation replace the batteries with new ones 2 AC Power Source Connect the AC adaptor Optional to the AC adaptor jack of the Digi Derm then to the AC power outlet MANUAL No 99MBH001B 2 1 2 2 Calibration Be sure to perform calibration before measurement Calibration in cludes two adjustment zero adjustment and gain adjustment The fol lowing is a calibration procedure using the provided reference speci men as the base metal 2 2 1 Zero adjustment 1 Turn the Zero and Gain adj volume to the approximate center of each range 2 While setting the probe to the specimen surface turn the Zero adj volume until the display becomes zero When applying the probe hold the knurled sleeve of the probe with your fingers and ensure that the probe is perpendicular it
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