267 www.meder.com meder electronic cylindrical reed sensors dimensions all dimensions in mm [inch] description mk20/1 sensors are magnetically operated reed proximity switches in a cylindrical module, ftted with interconnect cable. the sensor should be mounted on a fxed surface with the actuating magnet on the moving surface. introduction or removal of the magnetic feld determines the closing and opening of the reed switch. applications position and limit switch pneumatic or hydraulic actuator position indication and end travel limit switch door and window contacts security system applications level sensor use with magnetic foats for water level detec - tion in coffee makers, washing machines or dishwashers ? ? ? features flat side indicates maximum sensitivity small size other cables, connectors and colors available three operate sensitivities available a choice of cable terminations and lengths are available ? ? ? ? ? mk20/1 series 10 0.394 mk20/1
268 www.meder.com meder electronic cylindrical reed sensors mk20/1 series magnetic sensitivity order information part number example mk20/1 - c - 100 w c is the magnetic sensitivity 100 is the cable length (mm) w is the termination termination for wire and termination details please consult factory. series magnetic sensitivity cable length (mm) termination mk20/1 - x - xxx x options b, c, d 100 * w * other cable length available. sensitivity class pull in at range b 10 - 15 c 15 - 20 d 20 - 25 w the cable cut length includes: 5 mm of wire stripped and tinned
269 www.meder.com meder electronic contact data mk20/1 series cylindrical reed sensors all data at 20 c contact form form a contact ratings conditions min. typ. max. unit fru frpedrrrr exceed their individual max.s 5 w wfk9rowd rd 80 9 wfkw rd 0.25 a carry current rd 0.5 a wdwfrwdfw5wdf 9p 150 p dynamic contact resistance 0d9p pdwfor 300 p ,odwr5wdfdfrrwdfw 100 volts applied 10 9 %dr9rowddfrrwdfw 9rowddorfp 200 9 operate time incl. bounce measured w/ 100 % overdrive 0.4 ms release time measured w/ no coil suppression 0.1 ms capacitance dw]frfrwdfw 0.3 pf contact operation * must operate condition wdwdwo 10 25 at must release condition wdwdwo 4 22 at environmental data rfndf 1/2 sinus wave duration 11 ms 50 g 9dwr5wdf )rp] 20 g ambient temperature 10c/ minute max. allowable -20 70 o c wrf7pdw 10c/ minute max. allowable -20 70 o c ro7pdw 5 sec. dwell o c please note: the indicated electrical data are maximum values and can vary downwards when using a more sensitive switch. 7kdwrwkfwpr5wfkfr5wfkfwrrowdfwr more detail is required.
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