(19)

(11)

EP 3 571 460 A1

(12)

(43) Date of publication: 27.11.2019 Bulletin 2019/48 (21) Application number: 18701287.7 (22) Date of filing: 15.01.2018

(51) International Patent Classification (IPC):  G01B 3/48(2006.01) (86) International application number: PCT/EP2018/050883 (87) International publication number: WO 2018/134156 (26.07.2018 Gazette 2018/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD TN (30) Priority: 17.01.2017 DK PA201770030 (71) Applicant: Leitech Instruments ApS 3250 Gilleleje (DK)	(72) Inventor: JENSEN, Charlotte 3250 Gilleleje (DK) (74) Representative: Larsen & Birkeholm A/S  Banegårdspladsen 1 1570 Copenhagen V 1570 Copenhagen V (DK)