CURENT METER Seba flow meter type KLL-M1 for measuring relative flow velocities in vertical flow direction usable in boreholes from 3" upwards consist of: SEBA Electric Contact Meter Type KLL (Modified version) with cable length 100 m With adapter for connection to drill-hole current meter M1 Incl. 4" centring Two connection sleeves for connecting signal counter SEBA borehole current flow meter Meterbody made of high-quality non-corrosive steel Incl. 1 metal propeller 50 mm Ø, 50 mm pitch of seawater resistant aluminium alloy anolized Exchangeable reed contact Incl. Standard accessories and spare parts like two special bearings, special oil etc. With connection cable for signal counter SEBA Signal Counter Z-6 5-digit LCD-display, buzzer preselectable counting periods in 10 sec. step and with automatic switch-off accuracy: time measurement 0.01s, impulse counting 1 impulse maximum impulse frequency 40 impulses/s. Incl. CD-ROM and RS 232 interface cable.