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Riels Instruments
Group: Riels Instruments
Catalog excerpts
LEVEL SWITCHES RIL240MAGNETIC LEVEL SWITCHES Magnetic Level Switches Magnetic-activated level switches for controlling liquid levels in most industrial applications. Instruments with rigid rod for vertical installation. Used for full automation of control management, including pressurised tanks, tubs, boilers and for the control of pumps, valves and alarm systems. Standards and certifcations: Instruments compliant with the European Directive ATEX 94/9/EC. RINA, Lloyd Register and M.M.I. and Gost R approved. Mounting The RIL240 series level switches are installed vertically on the top of the tank or externally in a chamber connected to the tank. Manufacturing characteristics Materials and sizing are defned in relation to the characteristics of the liquid and the project conditions. Modello RIL240 A made entirely of stainless steel, with weatherproof housing and thread connection. Tutti i dati ed i contenuti di questa scheda sono di proprieta esclusiva di Riels Instruments Available types RIL240 A Type A is recommended for most industrial applications. All wetted parts are made totally of stainless steel. Type A is equipped with reed switches, which allows control of up to six switching points with a single instrument. Type A is equipped with a potentiometer transmitter allowing continuous reading of liquid level. RIL240 PP Type PP is recommended for corrosive liquids, such as acids and brines, where the use of stainless steel is not recommended. All wetted parts are made entirely ofPP-Polypropylene. Type PP is equipped with reed switches, which allow control of up to six switching points with a single instrument. Type PP is equipped with a potentiometer transmitter allowing continuous reading of liquid level. RIL240 B Type B is recommended for liquids with low specific weight such as hydrocarbons and mineral oils. Floats are made of BUNA N, the other wetted parts are made entirely of stainless steel. Type B is equipped with reed switch contacts, which allows the control of up to six switching points with a single instrument. Type B is equipped with a potentiometer transmitter allowing the continuous reading of the liquid level. RIL240 PF Type PF is recommended for corrosive liquids, such as acids and brines, where the use of stainless steel is not recommended. All wetted parts are made entirely of PVDF-Polyvinylidene fluoride. The PF is equipped with reed switch contacts, which allows control of up to six switching points with a single instrument. The PF is equipped with a potentiometer transmitter allowing continuous reading of liquid level. RIL240 CD The compact type CD is recommended for applications in hydraulic control units. It can also be used with liquids with low specifc weight such as hydrocarbons and mineral oils. The floats are made of stainless steel or BUNA N, the other wetted parts are made of stainless steel. The compact type CD can be equipped with reed switch contacts, allowing control of up to two switching points with a single instrument. In place of the housing, a three-pin DIN connector with flying plug is used. RIL240 PC Type PC is recommended for corrosive liquids, such as acids and brines, where the use of stainless steel is not recommended. All wetted parts are made entirely of PVC-Polyvinylchloride. Type PC is equipped with reed switch contacts, which allows the control of up to six switching points with a single instrument. Type PC is equipped with a potentiometer transmitter allowing the continuous reading of the liquid level.
Open the catalog to page 1
LEVEL SWITCHES RIL240MAGNETIC LEVEL SWITCHES Tutti i dati ed i contenuti di questa scheda sono di proprieta esclusiva di Riels Instruments RIL240 FL (Free Wires) Model FL is designed for naval applications. Float built in stainless steel or BUNA N; other wetted parts built in stainless steel. Model FL can be ftted only with reed switch contacts, with a single tool allows to control up to three fxed switching points. The FL is not equipped with housing. A sheath of heatshrinkable material protects the output cable. The enclosure rating is IP67. RIL240 C (in Chamber) Version C is provided...
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Specifications Housings Protection degree IP67 and IP68 on request. For general applications in weatherproof execution. For hazardous areas in explosion-proof execution ATEX Ex II 1/2 G EEx d IIC T6, T5 resp. T4 certifed. Only for TOR CD DIN IP64 connector Electrical equipment SPST SPDT DPDT (two simultaneous SPDT contacts) otentiometer transmitter Reed switch chain transmitter with divisions reading every 5, 10, 20 mm. Converter for output signal 4+20 mA, Available for safe areas or ATEX EEx-i certifed approved for plants. Also available with Hart® protocol, suitable for intrinsecally...
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Design conditions TMA - Maximum allowable temperature Steel Buna N Plastic - PVC Plastic - PP Plastic - PVDF PMA - Maximum allowable pressure Steel Buna N Plastic Fluid specifc gravity Steel and plastic Buna N / Titanium Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Model RIL240 A with weatherproof housing, steel float and a reed switch contact
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Electrical equipment and housings for RIL240 series magnetic level switches The electrical equipment in RIL240 series magnetic level switches comprises one or more reed switch contacts, ftted inside a sealed stainless steel tube. Wires are welded to the contacts connected to the terminal board inside the housing. Contacts are activated by floats that slide along the tube. The floats contain a magnetic system that, when the level of liquid rises or falls, switch the state of each contact quickly and reliably The position of the contacts at the required switching points are set in the factory...
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Converter characteristics Potentiometer transmitter characteristics Tutti i dati ed i contenuti di questa scheda sono di proprieta esclusiva di Riels Instruments A potentiometer; a device comprising a printed circuit board on which a reed/resistance chain is welded, is placed inside the float's vertical guide tube. The total resistance of a known value is measured at the ends of this potentiometer: The float, following the liquid level trend, activates the potentiometer's reed contact chain through its own magnetic feld, locally closing the signal. The total value of the resistance, is...
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