October 16, 2019 Kett Answers Rob Schreiber 0 Like Post Anyone can submit or add to the solution! Kett Answers › Category: Handheld Friction TestersFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesH94 and H37 portable friction analyzer calibrationsAnsweredKett Support answered 6 years ago • Handheld Friction Testers517 views1 answers0 votesHow often do we need to change the H94 portable friction analyzer paperAnsweredRob Schreiber asked 9 years ago • Handheld Friction Testers883 views0 answers0 votes