How to eas­ily lo­cate hot spots in cabling

DEMM Engineering & Manufacturing - - MAINTENANCE MATTERS -

Ther­mal imag­ing al­lows for ac­cu­rate and time­sav­ing in­spec­tions of elec­tri­cal cab­i­nets in­side air­craft cock­pits.

Air­craft cock­pit in­spec­tions, both pre-flight and post-flight, con­sist of a wide range of con­trol rou­tines that need to en­sure the safety of its pas­sen­gers dur­ing a flight.

Next to that, it is es­sen­tial that in­spec­tions are car­ried out as ef­fi­ciently as pos­si­ble. In that re­spect, Dutch tech­ni­cal in­spec­tion specialist Ther­mo­grafisch & Ad­vies­bu­reau Uden found a way to speed up elec­tri­cal in­spec­tions in­side the cock­pit, while at the same time guar­an­tee­ing ac­cu­racy and re­li­a­bil­ity – us­ing ther­mal imag­ing tech­nol­ogy from Flir Sys­tems.

Ther­mo­grafisch & Ad­vies­bu­reau Uden is an agency that is spe­cial­izes in in­de­pen­dent in­spec­tions, and pro­vides rec­om­men­da­tions to the in­dus­trial and con­struc­tion mar­kets.

“We had a long his­tory of per­form­ing in­spec­tions of elec­tri­cal cab­i­nets for in­dus­trial ap­pli­ca­tions by means of ther­mal imag­ing cam­eras, but we had never ap­plied this tech­nol­ogy for the in­spec­tion of cock­pit elec­tron­ics,” says. Ralf Grispen, owner of Ther­mo­grafisch & Ad­vies­bu­reau Uden.

“In fact, that par­tic­u­lar ques­tion came di­rectly from the firm’s long-term cus­tomer Star Air, a Dan­ish cargo air­line.

Grispen and Rob Hut­ing, co-owner of the com­pany, trav­elled to Cologne Air­port, where Star Air’s air­craft fleet is lo­cated. Tech­ni­cians of the air­line com­pany made the cock­pit of a Boe­ing 767-200 ready for elec­tri­cal in­spec­tions. Ther­mal imag­ing cam­eras showed the tem­per­a­ture dif­fer­ences of the cock­pit’s elec­tri­cal cab­i­nets and found a de­fec­tive re­sis­tor.

“Faulty re­sis­tors heat up, and that’s ex­actly the rea­son why ther­mal imag­ing tech­nol­ogy can eas­ily de­tect such de­fects, even very small prob­lems in an early phase,” says. Grispen.

“In the case of Star Air, this tech­nol­ogy proved to be a per­fect fit for

pre­ven­tive main­te­nance and elec­tri­cal in­spec­tions in­side the cock­pit in gen­eral. Es­pe­cially with older air­craft, which are sub­ject to wear.”

The main ad­van­tage of ther­mal imag­ing is that you can lo­cate elec­tri­cal prob­lems quickly and ac­cu­rately.

Ther­mo­grafisch & Ad­vies­bu­reau Uden is us­ing the Flir P640 cam­era, a high­res­o­lu­tion ther­mal and vis­ual cam­era that has a host of ad­vanced fea­tures, which makes it a smart choice for ther­mal imag­ing sur­veys.

“The cam­era pro­vides us with a very high res­o­lu­tion, which en­ables us to view the small­est elec­tri­cal parts as well as the small­est tem­per­a­ture dif­fer­ences,” says Grispen. “An additional ben­e­fit of the Flir P640’s large colour LCD is that you can si­mul­ta­ne­ously share your im­ages with your cus­tomer or your col­leagues. For us, this is a fea­ture that can­not be un­der­es­ti­mated, be­cause it al­lows us to re­as­sure our cus­tomers and show them that we do a good job.”

The Flir P640 cam­era is easy to op­er­ate and de­liv­ers ac­cu­rate tem­per­a­ture mea­sure­ments at safe dis­tances. It pro­vides pro­fes­sional users, in­clud­ing in­frared con­sul­tants and pro­fes­sional ther­mo­g­ra­phers, with a unique com­pet­i­tive ad­van­tage.

The P640 pre­sents more pix­els, which means greater tem­per­a­ture mea­sure­ment ac­cu­racy, par­tic­u­larly for small ob­jects. To the pro­fes­sional ther­mo­g­ra­pher, this means clear, prac­ti­cal ben­e­fits – and a strong com­pet­i­tive ad­van­tage.

With the P640, you can now re­solve smaller ob­jects from fur­ther away and still get ac­cu­rate tem­per­a­ture mea­sure­ments.

“The reporting soft­ware that comes with the Flir P640 is very easy to use and al­lows us to deliver a per­fectly doc­u­mented and de­tailed re­port of our find­ings to the tech­ni­cal staff that will do the ac­tual re­pairs. We reg­u­larly re­ceive the lat­est up­dates from the Flir soft­ware so we can en­joy ex­tra fea­tures.”

Ther­mo­grafisch & Ad­vies­bu­reau Uden also makes use of the ser­vices of the Flir In­frared Train­ing Cen­ter (ITC).

“We have a team of three people that are fully Flir ITC cer­ti­fied,” says Grispen. “We reg­u­larly at­tend train­ings or­ga­nized by Flir Sys­tems, so we are al­ways up to date with the lat­est de­vel­op­ments of the com­pany’s prod­uct port­fo­lio.”

demm.co.nz/read­eren­quiry #D140330

An im­age (top) from an in­frared cam­era shows there are is­sues with cabling – even though it looks fine (bot­tom) to the naked eye.

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