MK9151 Datasheet | Dold

.. Monitoring technique Level sensing relay MK 9151 varimeter - - - - - - - - - - - - - - - According to IEC/EN 60 255, DIN VDE 0435-303 3 probe connections for 2-point and 1-point level control Also for use as moisture detector High interference resistance of the measuring circuit, which is isolated from the mains Max. wire length to the probes: 1500 m Large setting range: 2 ... 450 kΩ this permits differentiation between fluid and foam Adjustable response and release time delay: 0,2 ... 20 s Programmable for open circuit operation (without bridge) or closed circuit operation(bridge X1-X2 or X1-) For auxiliary voltages of 24 ... 415 V AC or 24 V DC Green LED for operation Yellow LED for contact position 1 or 2 changeover contacts Also available with sealable transparent cover Available with safe separation according to IEC/EN 61 140, IEC/EN 60 947-1 Width 22,5 mm Approvals and marking Function diagrams Supply UH 0 Level / Niveau MAX - Canada / USA - see variants X1 - 14 11 - 12 11 - 14 11 - 12 Application t t t X1 t t t M6620_d - Level monitoring and control for conductive liquids and powders, e.g. maximum and minimum filling levels, overfilling and protection against dry running - Monitoring and control of the mixing ratio of conductive liquids - General resistance monitoring tasks, e.g. limit temperature detection with PTC Indicators 1-point level control Supply UH 0 Level / Niveau MAX MIN green LED: yellow LED: Notes on, when supply connected on, when output relay active All mercially available probes are suitable. The reference probe for level measurement is generally located at the lowest point of the container and must always be connected to the "" terminal. The container itself can be used as a reference probe if it consists of conductive material. 1-point level control (see Figure) is especially suitable for protection against overfilling and dry running on containers with a free inlet/outlet. In this configuration, all...