GREISINGER GMI 15 plus Operating Manual

GREISINGER GMI 15 plus Operating Manual

Capacitive moisture indicator for non-destructive measurement

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H68.0.03.6C-02
as of version 1.2
GHM GROUP - Greisinger
GHM Messtechnik GmbH | Hans-Sachs-Str. 26 | 93128 Regenstauf | GERMANY
Tel.: +49 9402 9383-0 |
Please carefully read these
instructions before use!
Please consider the safety instructions!
Please keep for future reference!
info@greisinger.de
Operating Manual
Capacitive moisture indicator
for non-destructive measurement
GMI 15 plus
WEEE-Reg.-Nr. DE 93889386
| www.greisinger.de

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Summary of Contents for GREISINGER GMI 15 plus

  • Page 1 H68.0.03.6C-02 Operating Manual Capacitive moisture indicator for non-destructive measurement GMI 15 plus as of version 1.2  Please carefully read these instructions before use!  Please consider the safety instructions!  WEEE-Reg.-Nr. DE 93889386 Please keep for future reference! GHM GROUP - Greisinger GHM Messtechnik GmbH | Hans-Sachs-Str.
  • Page 2: Table Of Contents

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 2 of 12 _____________________________________________________ _____________________________________________________________________________ Index GENERAL NOTE ............................3 SAFETY ................................3 ............................3 NTENDED ........................3 AFETY SIGNS AND SYMBOLS ......................4 EASONABLY FORESEEABLE MISUSE ..........................4 AFETY GUIDELINES PRODUCT DESCRIPTION ........................4 .............................4 COPE OF SUPPLY ....................4 PERATION AND MAINTENANCE ADVICE DISPLAY AND CONTROL ELEMENTS ....................5...
  • Page 3: General Note

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 3 of 12 _____________________________________________________ _____________________________________________________________________________ 1 General Note Read this document carefully and get used to the operation of the device before you use it. Keep this document within easy reach near the device for consulting in case of doubt 2 Safety 2.1 Intended Use...
  • Page 4: Reasonably Foreseeable Misuse

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 4 of 12 _____________________________________________________ _____________________________________________________________________________ 2.3 Reasonably foreseeable misuse  This device must not be used at potentially explosive areas!  The device must not be used at a patient for diagnosis or any other medical purpose! ...
  • Page 5: Display And Control Elements

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 5 of 12 _____________________________________________________ _____________________________________________________________________________ 4 Display and Control Elements 4.1 Display elements 1: Main display Display of the current moisture or water content 2: Material display The name of the selected material characteristic curve is displayed.
  • Page 6: Measurement Basics

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 6 of 12 _____________________________________________________ _____________________________________________________________________________ 6 Measurement Basics 6.1 Measuring field & depth The device measures with an electric field (capacitive measuring method), which propagates from the rear side downwards. The measuring depth can be changed between approx. 10 mm and 25 mm with the sliding switch.
  • Page 7: Hold The Device

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 7 of 12 _____________________________________________________ _____________________________________________________________________________ 6.3 Hold the device The water content of the hand has an impact on the measuring value, if the device is held inappropriately. The best results will be obtained if you lay the device down or hold it the way as shown in picture 3.
  • Page 8: Wood Measuring

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 8 of 12 _____________________________________________________ _____________________________________________________________________________ 7 Wood Measuring Best results are obtained if you measure crossways to the wood’s grain. (see right picture) Unplaned and wrinkled surfaces are causing too low measuring results! Wood is a natural product.
  • Page 9: Additional Information To Moisture Measurement

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 9 of 12 _____________________________________________________ _____________________________________________________________________________ 10 Additional Information to Moisture Measurement 10.1 Moisture u The displayed material moisture is the most common measuring unit for material moisture measuring (relating to oven-dry mass) Water content w is normally used for combustibles (i.e. wood briquette).
  • Page 10: Cm-Moisture

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 10 of 12 _____________________________________________________ _____________________________________________________________________________ 10.2 CM-Moisture The CM-moisture (unit [CM%]) is often used for materials like floor screed. This moisture rating is correlated to the moisture u: it is calculated by the same equations. It is measured by the CM- method (destructive testing with high complexity).
  • Page 11: Accuracy Inspection: Adjustment /Update Service

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 11 of 12 _____________________________________________________ _____________________________________________________________________________ 12 Accuracy Inspection: Adjustment /Update Service You can send the device to the manufacture or retailer for adjustment and inspection. Moreover the manufacturer can do the latest software update. This ensures that future improvements are provided to owners of older devices in a cost-saving way.
  • Page 12: Technical Data

    H68.0.03.6C-02 Operating Manual GMI 15 plus page 12 of 12 _____________________________________________________ _____________________________________________________________________________ 15 Technical Data Measurement Method Capacitive (=dielectric) measuring method, non-destructive Depth approx. 25 mm Materials curves for wood and screed, additionally reference curve for high- resolution relative measurements 0.1 %;...

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