Refex A CT III RD Maxibor ii t echnic al S pecific a tion S r efeximdexlimitedcom www r efexinstrumentscom Refex is a leading global man ufactur er of sur v e y and orientation instruments f or drill holes Its pr oduct por tf olio includes a complete pr ogram of bor ehole sur v e ying instruments f or mining tunnelling construction and other geotechnical a pplications Refex is established in all major mark ets the Americas Africa Eur ope and Asia Pacifc The success of Refex is based on its leading inno vativ e technolog y customer f ocus and a netw ork of local ser vice centr es w orldwide Rental Sales and Suppor t Contacts Refex Asia Pacifc T 61 0 8 9445 4020 Refex Nor th America T 1 705 235 2169 Refex South America T 56 2 589 9300 Refex Africa T 27 0 11 908 5595 Refex Eur ope T 44 1273 483 700 Dimensions T ool diameter 440 mm T ool length 1200 mm Optics Optical CMOS image sensor Light sour ce 6 x high intensity LED Exposur e inter val minim um 5 s typical 10 s Solid State Electr onics Do wnhole electr onic r ecor ding Nonv olatile memor y and data r etention Thermal modelling f or accurate calibration Batteries Inter changeable industrial alkaline batter y pack Memor y Memor y ca pacity o v er 16 hours at 10 second inter vals System Accuracy Better than 11000 r elativ e to hole length Pr essur e and shock rating 3500 metr e water pr essur e giv es 50 saf ety margin Shock sur vival 6000 g 05 ms sine Operating T emperatur e 40C to 65C 40F to 150F within lithium batteries 20C to 65C 4F to 150F within alkaline batteries Standar d Equipment Camera pr obe Refector tubes Refector rings Refector tube couplings Bottom coupling Camera ca p Sealing ring exchanger de vice Refector ring extractor TDS Recon P ock et PC Refex Maxibor II P ock et PC Application Refex SPr ocess softwar e Refex Maxibor II Man ual Spar e r efector material Spar e sealing rings Silicon gr ease T ranspor t bo x es Optional Equipment Pin spear coupling T op coupling with blank end Swiv el sub assembl y Landing sub assembl y USB 20 ReaderWriter Stylus pen Centralisers