MK9151.11 2-450kOhm DC24V Dold Liquid Level Relay - DIN Rail, 24 V dc 1

MK 9151 - level relay_x000D_ The MK9151 is used for_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, e.g. recording temperature limits with PTC (device to IEG 255, VDE 0435 section 303)_x000D_ Features_x000D_ 3 electrode connections for 2-point and 1-point level control_x000D_ The metering circuit galvanically isolated from the mains is immune from high levels of interference_x000D_ Max. lead length to the electrodes: 1500 m_x000D_ Wide setting range: 2 → 450 kΩ which enables differentiation between liquid and foam_x000D_ Adjustable response and fallback delay: 0.2 → 20 s_x000D_ Programmable for working current principle (without bridge) or rest current principle (X1-X2 and/or X1-COM bridge)_x000D_ 2 LEDs to indicate operating readiness and contact position_x000D_ 1 changer_x000D_ Overall width 22.5 mm, protection class IP40_x000D_ _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