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LPR Meter 

 

 

 
 

Handbook 

 

 
 

 

 

 

 
 
 
 

 
 

 

 
 

 

 

 

 

 

 

 
 

 

 
 

 

 
 

 

 

 

 

 

 

 

Содержание BF225

Страница 1: ...LPR Meter Handbook...

Страница 2: ...CONTENTS Section Number Page Number One Introduction Page 1 Two Major Components Page 2 Three Operating Instructions Page 3 Four Corrosion Rate Measurement Operation Page 6 Five LPR Standard Page 9...

Страница 3: ...mplex nature of corrosion rates by carrying out all of the calculations internally The meter is supplied in a IP65 enclosure and is suitable for external use The handheld meter equipment consist of th...

Страница 4: ...d to record the Corrosion potential Ecorr utilising the reference electrode and pass a small current through the integral Auxiliary electrode AE The reference electrode is attached to the Big foot for...

Страница 5: ...above diagram provides the connections required to carry out the corrosion rate measurement Note that either two connections are provided to the reinforcement or a single connection is acceptable if l...

Страница 6: ...is supplied with a separate manual and is not provided as standard please consult manufacture for data logging software download Black is reference electrode RE Blue is sense short to Green if not use...

Страница 7: ...nd corrosion rate are displayed Select EITHER button Meter confirms that data was stored Select GREEN button for next reading and repeat RED button starts cycling through displays of stored data as Da...

Страница 8: ...qual to the polarisation current times the range resistance The second output is proportional to the absolute value of the polarisation current at the end of the polarisation period It is generated by...

Страница 9: ...autoranging The output of the current measuring amplifier always reflects the current going to the test electrode The DAC2 output is set when the GO line is released to high to reflect the cell curre...

Страница 10: ...ectrode Hence E is 0 02V substituting in the above and solving gives 87 7 1 2 10 645 9 85 55 60 60 24 365 02 0 4 area B I rate n penetratio applied year m area I rate n penetratio applied 35 lapplied...

Страница 11: ...LPR Meter Handbook Page 9 5 LPR Standard...

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