MK9151N.12 2-450kOHM DC24V 0.2-20s Dold Liquid Level Relay - DIN Rail, 24 V dc 1

MK 9151N - level relay_x000D_ Application_x000D_ Level monitoring and control of conductive liquids and powders, e.g. maximum and minimum fill level, protection against overfilling and dry running_x000D_ Monitoring and control of the mix ratio for conductive liquids_x000D_ General resistance monitoring tasks, e.g. recording temperature limits with PTC_x000D_ Contact protection relay with delay_x000D_ Features_x000D_ 3 electrode connections for 2-point and 1-point level control_x000D_ Measuring circuit for electrodes works on AC voltage generated internally in the device (approx. 30 Hz); therefore no electrolysis occurrence in the fluid_x000D_ The measuring circuit galvanically isolated from the mains is immune from high levels of interference_x000D_ Max. lead length to the electrodes: 3000 m_x000D_ Wide setting range: 2 kΩ → 450 kΩ which enables differentiation between liquid and foam_x000D_ Response and fallback delay: 0.2 s → 20 s, adjustable separately for MIN and MAX level_x000D_ Programmable for operating or rest current principle_x000D_ LEDs to indicate operational readiness and contact position_x000D_ Output contact 2 changeovers_x000D_ Overall width: 22.5 mm_x000D_ Standards_x000D_ IEC/EN 60 255, DIN VDE 0435-303_x000D_ Approvals_x000D_ CE_x000D_ Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use._x000D_ Application Examples_x000D_ Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the:_x000D_ Monitoring and control of liquid levels_x000D_ Protection of pumps against dry running_x000D_ Ability to detect liquid leaks in a system_x000D_ Control of media mixing ratios_x000D_ Control of liquid levels