Krautkramer DynaPOCKET Technical Reference And Operating Manual
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Krautkramer DynaPOCKET Technical Reference And Operating Manual

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DynaPOCKET
Technical Reference and Operating Manual
Ident-No. 28 674

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Summary of Contents for Krautkramer DynaPOCKET

  • Page 1 DynaPOCKET Technical Reference and Operating Manual Ident-No. 28 674...
  • Page 2 Content This Issue 03, 04/2005 applies to the software version V 01.01.01 The software version is indicated in the display (ref. chapter 3.3). Subject to change without notice. Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 3: Table Of Contents

    Switch-off ..........3 -6 1.6 Important information about hardness Carrying out a measurement ..... 3 -6 testing using the DynaPOCKET ..... 1 -9 Closing a measurement set ...... 3 -7 Test material ..........1 -9 Deleting measured values ......3 -7 The rebound method .........
  • Page 4 Caring for rechargeable batteries ....4 -2 Evaluation ..........6 -4 Charging the batteries ....... 4 -2 How to handle alkaline batteries ....4 -3 4.2 Maintenance ..........4 -3 Impact device ........... 4 -3 Issue 03, 04/2005 Krautkramer DynaPOCKET...
  • Page 5 7.3 The treatment of test material ....7 -6 Surface quality .......... 7 -6 Curved surfaces ........7 -6 Measurements on small objects ....7 -6 Minimum wall thicknesses ......7 -6 7.4 Information about the statistical evaluation ....... 7 -8 Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 6 Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 7: Introduction

    Introduction Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 8: Safety Information

    1.1 Safety information Batteries The DynaPOCKET can be operated with AAA-sized The DynaPOCKET is designed and tested according to AlMn cells or rechargeable NiCads and NiMH batteries. DIN EN 61 010 Part 1, March 1994, “Safety require- ments for electric measuring, control and laboratory NiCads or NiMH batteries can not be charged within equipment“, and was technically in perfectly safe and...

  • Page 9: About This Manual

    About this manual 1.2 About this manual In chapter 1.5, you will find complete information about hardness testing using the DynaPOCKET that must always be followed to ensure correct measurement In the following section you will learn how to use this results.

  • Page 10: Layout And Presentation In This Manual

    Operating steps appear as shown in the following Attention: example: The Attention symbol indicates peculiarities and – Position the DynaPOCKET vertically to the special aspects in the operation which could affect the surface to be tested. accuracy of the results.

  • Page 11: Prerequisites For Hardness Testing

    This operating manual contains all essential informa- als testing. tion on how to operate the DynaPOCKET. In addition, A proper training comprises for example adequate there are a number of factors which affect the results.

  • Page 12: Technical Test Requirements

    Moreover, a clear and thorough interpretation of the corresponding test specifications is absolutely necessary. Information about test methods and test specifications may be obtained, for example, from various institutions, industrial enterprises and authorities. Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 13: Krautkramer Dynapocket

    Impact and rebound speeds are measured in non-con- tact mode and the hardness value is calculated on the You can use the DynaPOCKET to carry out measure- basis of these two measurements. The hardness value ments anywhere and in any direction; the direction is immediately displayed.
  • Page 14 Introduction Krautkramer DynaPOCKET Release button Loading tube Operating keys Display Impact device with test attachment Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 15: Important Information About Hardness Testing Using The Dynapocket

    Introduction Important information about hardness testing using the DynaPOCKET 1.6 Important information about Attention: hardness testing using the A yielding or springiness of the test objects may lead to measuring errors! Please also refer to chapter 7.3. DynaPOCKET The following section contains a summary of the most...

  • Page 16: Conversion Of Hardness Values

    Introduction Important information about hardness testing using the DynaPOCKET Attention: Conversion of hardness values It is absolutely necessary that you set your The conversion of the HL value determined according DynaPOCKET to the appropriate material group to the rebound method into standard hardness scales before testing (ref.

  • Page 17: Scope Of Supply And Accessories

    Scope of supply and accessories Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 18 Scope of supply and accessories Scope of supply This chapter informs you about the scope of supply in our standard package and the accessories available for the DynaPOCKET. It describes ❚ accessories included in the scope of supply of our standard package ❚...

  • Page 19: Scope Of Supply

    Product name Description Order no. DynaPOCKET Plus DynaPOCKET Plus – Portable hardness tester 35 158 according to the rebound method with an integrated impact device D and digital display of the measured value in HV, HB, HRB, HRC, HS, HL or N/mm², including hardness reference block...
  • Page 20 Scope of supply Product name Description Order no. DynaPOCKET DynaPOCKET – Portable hardness tester 35 114 according to the rebound method with an integrated impact device D and digital display of the measured value in HV, HB, HRB, HRC, HS, HL or N/mm²...

  • Page 21: Recommended Accessories

    MIC 1060 Grinding set for surface treatment 34 380 Dyna 41 1 set (5 pieces) of test attachments 34 536 for cylindrical surfaces Dyna 42 1 set (5 pieces) test attachments 34 539 for spherical surfaces Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 22: Spare Parts Requirements

    Standard test attachment for impact device D 34 312 Test attachment for impact device D, dia. 13.5 mm 34 656 Impact body D, new 34 443 Impact body D, exchange replacement by 34 572 GE Inspection Technologies Service Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 23: Operation

    Operation Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 24: Preparation

    The following icon indicates the battery voltage is get- ting too low: Inserting batteries You can operate the DynaPOCKET with AAA-sized AlMn batteries or rechargeable NiCd or NiMH batteries. In this case, exchange the batteries immediately. The You need 2 pieces of each. AlMn batteries are recom- DynaPOCKET automatically switches off if the battery mended for the longest operating time.

  • Page 25: Fundamental Principles Of Operation

    This area also applies to other text displays when selecting default settings, and for error codes. 4 Hardness scale The selected hardness scale is displayed in the area above or below the measured value. Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 26 Operation Fundamental principles of operation The DynaPOCKET has two keys which you can use to carry out all functions. Each activates several differ- ent functions, depending on the current mode of the instrument. Key ENTER/SET Key MODE/CLEAR Mode Function Mode...

  • Page 27: How To Handle The Impact Device

    – Press either key to switch the instrument on. ment. – Place the DynaPOCKET with the test attachment on Do not perform two measurements at the same test a flat surface.

  • Page 28: Hardness Measurement

    1 minute (single value) resp. for steels, no adjustment to the instrument setting is re- approx. 3 minutes (measurement set). quired because the DynaPOCKET is set to this mate- rial group as default setting. This limits unnecessary battery drain to extend the operating time.

  • Page 29: Closing A Measurement Set

    H Note: As long as the display is flashing, you can abort the deletion. – Briefly press the ENTER/SET key to cancel the process of deleting. Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 30: Selecting Instrument Settings

    In the case of single measurements, You can set various parameters for your work with the the current individual value is displayed. Selecting mea- DynaPOCKET. To do this, change over to the setup surement sets, the arithmetic mean calculated on the mode first.

  • Page 31: Material Group

    If you intend to carry out measurements on high-alloy – Select the parameter MAt with the MODE/CLEAR steels or on other materials, such as nonferrous met- key. als, you must set the DynaPOCKET to the required material. – Press the ENTER/SET key to change the current setting.

  • Page 32: Hardness Scale

    Shore Brinell Rockwell B Rockwell C Leeb Vickers N/mm2 Tensile strength – Press the two keys simultaneously to select the setup mode. – Select the parameter SCAL with the MODE/CLEAR key. 3-10 Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 33: Conversion

    Operation Selecting instrument settings Conversion The DynaPOCKET provides verious conversion op- tions. The conversions according to DIN 50150 and ASTM E140 only apply to the material group St (steel and cast steel) (please refer to overview of conversion ranges in chapter 7.2).
  • Page 34 3-12 Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 35: Maintenance And Care

    Maintenance and care Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 36: Care

    ❚ after a storage period of 3 months or longer, means of a dry cloth. ❚ after frequent partial discharge. Attention: Don’t use water for cleaning! The DynaPOCKET is Charging the batteries neither watertight nor humidity-proof. NiMH batteries or NiCads can be charged using only a Don’t use solvents! The paint coating and the plastic...

  • Page 37: How To Handle Alkaline Batteries

    To protect the environment, please use storage batter- – Clean the inside of the guide tube using the cleaning ies whenever possible! brush. Attention: Never use oil to clean the impact device! Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 38 Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 39: Function Check And Troubleshooting

    Function check and troubleshooting Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 40: Checking The Function

    5.1 Checking the function 5.2 Troubleshooting Please check the functioning of the impact device and When turned on, the DynaPOCKET carries out hardness tester by measuring the HL hardness value an automatic system self-test. In addition, the on the hardness reference block before using the in- DynaPOCKET’s self-monitoring function is active...

  • Page 41: Error Codes

    Evaluation error, impossible to carry out Carry out the measurement once again. a correct evaluation of the measurement. If necessary, clean the impact device. E 1.1 Evaluation of the measurement is not yet Please carry out the measurement again. complete. Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 42 Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 43: Technical Data

    Technical data Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 44: Housing

    1 min (single measurement mode) / 3 min (measurement set with average display) Display and keypad Display LCD, display of the hardness value via 4 seven-segments, status indicators Keypad Membrane keypad with 2 click keys Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 45: Power Supply And Operating Time

    –20 °C to +70 °C / -4 °F to 150 °F Rel. humidity of air 10 to 80 % (no condensation allowed, moisture condenstation excluded) Vibration resistance 5 g (5 to 150 Hz, half-sine)°F Shock resistance 11 g (11 ms, sine) Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 46: Evaluation

    DIN, ASTM, Dyna Conversion scales HL (1.0) and resolution HV (1.0) HB (1.0) HS (0.1) HRC (0.1) HRB (0.1) N/mm² (5.0) Material groups please see page 7-4 Conversion ranges please see page 7-5 Issue 03, 04/2005 Krautkramer DynaPOCKET...

  • Page 47: The Rebound Hardness Testing Method

    The rebound hardness testing method Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 48: The Hardness Testing Method

    H Note: In this process, the impact body’s magnet induces a With DynaPOCKET, it is not necessary to specify the voltage signal in the coil, with the amplitude of this impact direction. signal being proportional to the impact phase speed (Ip).

  • Page 49: Conversion Of Hardness Values

    150 or ASTM E 140. Indicate hardness values according to the scale deter- DynaPOCKET provides 9 material groups from which mined experimentally with the hardness testing method you have to choose the one corresponding to your test used (e.g. rebound method in HL).

  • Page 50: Material Groups

    Low-alloy/unalloyed steel and cast steel 500 HL. Tool steel You will find the conversion options available for the individual material groups stored in the DynaPOCKET Corrosion-resistant steel in the overview given on the next page. Due to the Gray cast iron...

  • Page 51: Application Ranges Of The Conversion Tables

    20 – 70 90 – 350 120 – 400 20 – 180 10 – 85 40 – 180 10 – 95 45 – 320 45 – 320 Measuring range for the default scale HL: 150 – 1000 Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 52: The Treatment Of Test Material

    This generally results in indicating too low hardness values. Issue 03, 04/2005 Krautkramer DynaPOCKET...
  • Page 53 20 mm for rebound hardness test- ing. For measurements below 20 mm wall thickness, the use of the UCI hardness tester MIC 10 is recom- mended. You should compare the measured hardness values to those of a stationary hardness tester. Krautkramer DynaPOCKET Issue 03, 04/2005...

  • Page 54: Information About The Statistical Evaluation

    “outliers” are included. For this reason, With a corresponding setting, the DynaPOCKET dis- the difference between minimum value and maximum plays the statistical average ( x ¯ ).

  • Page 55: Annex

    Annex Krautkramer DynaPOCKET Issue 01, 12/99...

  • Page 56: Eu Declaration Of Conformity

    Annex EU declaration of conformity 8.1 EU declaration of conformity 8.2 Manufacturer/ Service addresses The DynaPOCKET meets the requirements of the fol- lowing EU directives: The Krautkramer DynaPOCKET is manufactured by: ❚ 89/336/EEC (Electromagnetic compatibility) GE Inspection Technologies GmbH Robert-Bosch-Straße 3 The conformity with the requirements of the D –...
  • Page 57 Phone +1 717 - 242 03 27 SAC Sans Souci +1 717 - 242 26 06 68, Chemin des Ormeaux F – 69760 Limonest Phone +33 47 - 217 92 20 +33 4 7 - 847 56 98 Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 58 Issue 01, 12/99 Krautkramer DynaPOCKET...

  • Page 59: Index

    Index Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 60 Attachment ..... . 3 -5 DynaPOCKET ....1 -7 Batteries .
  • Page 61 Power supply ..... 6 -3 Preparation ..... . 3 -2 Krautkramer DynaPOCKET Issue 03, 04/2005...
  • Page 62 Switch-off ......3 -6 Switch-on ......3 -6 Issue 03, 04/2005 Krautkramer DynaPOCKET...

Table of Contents