Nivelco
Magnetic Coupling Level Switch
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Features ㆍOperation without power supply ㆍMicro-switch separated from process ㆍAll wetted parts stainless steel ㆍSide or top mounting ㆍFixed or adjustable switch differential ㆍSubmersible versions ㆍVarious process connections ㆍOperational check via optional tester ㆍExplosion-proof models ㆍSIL1 Safety Integrity Level ㆍMarine approvals
Application ㆍ Liquids with min. 0.7 kg/dm3 density ㆍ Fail-safe and control level switches in closed tanks ㆍ Power stations, chemical, petrochemical and pharmaceutical industry ㆍ Supplementary fail safe switch if combined with other devices ㆍ Balance tanks on ships
Specifications ㆍ Switch rating: 250 V AC, 10 A ㆍ Ambient temperature: -20 °C to +80 °C ㆍ Medium temperature: up to +250 °C ㆍ Medium pressure: max. 25 bar ㆍ Process connection: square and standard flanges, 2'' thread ㆍ Ingress protection: IP 65, IP 68 ㆍ Ex marking: ATEX II 1/2 G EEx dme IIC T6..T2 (TÜV) ㆍ Certificates: SIL1 Safety Integrity Level ㆍ Marine approvals: ㆍ Germanischer Lloyd (GL) ㆍ Det Norske Veritas (DNV) ㆍ Bureau Veritas (BV) |
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Ultrasonic liquid transmitter
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Features ㆍ2- or 4-wire compact transmitter ㆍLow cost ㆍNon-contact level measuring ㆍNarrow 5° beam angle ㆍTemperature compensated ㆍExcellent signal processing via QUEST+ software ㆍPP, PVDF housing ㆍSecondary lightning protection ㆍHART communication ㆍExplosion-proof models
Application ㆍ Most liquids, explosive liquids ㆍ Level, volume and open channel flow measurement ㆍ Reliable measurement in challenging applications such as vapour/fume stirrer and foam with liquids ㆍ Where IP 68 is needed Specifications ㆍ Power supply: 2-wire: 12-36 V DC, 720mW ㆍ 4-wire: 11.4-40 V DC, 3.6W or 11.4-28 V AC, 4 VA ㆍTemperature: -30 °C to +80 °C ㆍ Pressure: 0.3 .. 3 bar ㆍ Measuring range: 0.2 - 15 m ㆍ Output: 4-20 mA, relay, HART ㆍ Protection: IP 68, ATEX II 1 G EEx ia IIB T6 |
................................................................................................................................................................................................................................................................................................................................................ Non-contact microwave level transmitter
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Features ㆍ25 GHz K-band, 2-wire ㆍEasy installation due to small antennas ㆍ23 m measuring range ㆍ±3 mm accuracy ㆍHART communication ㆍPlug-in graphical display module ㆍHigh temperature version
Application ㆍ Level measurement of liquids, slurries, emulsions and other chemicals ㆍ Water and wastewater industry ㆍ Pharmaceutical industry, chemical industry ㆍ Food-industry, energy-industry ㆍ For high precision level measurement tasks Specifications ㆍ Measuring frequency: 25 GHz (K-band) ㆍ Power supply: 24 V DC (nominal) ㆍOutput: 4-20 mA, HART ㆍ Antenna material: horn: 1.4571, enclosure (optional): PP, PTFE ㆍ Antenna diameter: DN40 mm (1½''), DN50 mm (2''), DN80 mm (3'') ㆍ Medium temperature: -30 °C … +100 °C, high temperature version: -30 °C … +180 °C ㆍ Process pressure (depending on the antenna): -1 … 25 bar ㆍ Process connection: 1½'', 2'' BSP/NPT, or DIN/ANSI flanges, TRICLAMP, DN50 sanitary ㆍ Ingress protection: IP67
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The range of linear core movement is determined by selecting the rotating angle of the float and lengths, L1 and L2, to actuate the micro-switch, which controls the power to pump or drain equipment.
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