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| LEVEL SWITCHES |
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| |Level Switches|Controllers|Level Transmitters| |
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LEVEL SWITCHES - LIQUIDS & SOLIDS |
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| NIVOFLOAT – Plastic Float (Float): LEVEL SWITCHES |
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| FEATURES |
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Low cost polypropylene level switch |
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Hermetically moulded, double chamber |
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Mercury free operated micro switch |
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Direct pump control up to 1.1 kW |
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Adjustable switch differential |
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Low specific weight of the floating body |
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| APPLICATIONS |
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Level switch from drinking water to sewage |
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Suitable also for tanks and basins |
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Fail-safe indication and pump control |
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For overfill protection |
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| SPECIFICATIONS |
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Switch rating: 250 V AC, 16 A |
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Medium temperature: 0 °C to 50 °C |
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Cable length: max. 20 m |
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Medium pressure: max. 2 bar |
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Ingress protection: IP 68 |
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| NIVOCONT - conductivity |
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| FEATURES |
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Low cost level switch |
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Limit switch or differential switch versions |
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Adjustable sensitivity |
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Adjustable time delay |
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High or low fail-safe mode |
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All wetted parts stainless steel |
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Compact unit with two independent relays |
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Separate probe and relay unit |
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Rod probes up to 3 m |
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| APPLICATIONS |
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Conductive liquids with min. 1x10-5 S/cm conductivity |
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Fail-safe indication and pump control |
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Chemical and water industry |
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Water inrush indicator |
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| SPECIFICATIONS |
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Switch rating: 250 V AC, 16 A or 250 V AC, 8 A |
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Power supply (unit): 110, 230 V AC, 24 V AC/DC
or universal 24-240 V AC/DC |
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Ambient temperature: -20 °C to +55 °C |
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Medium temperature: up to 200 °C |
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Medium pressure: max. 16 bar |
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Process connection: 3/8'' BSP, 1 1/2'' BSP |
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Ingress protection: IP 20, IP 65, IP67 |
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| NIVOMAG – magnetic float |
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| FEATURES |
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Operation without power supply |
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Micro-switch separated from process |
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All wetted parts stainless steel |
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Side or top mounting |
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Fixed or adjustable switch differential |
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Submersible versions |
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Various process connections |
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Operational check via optional tester |
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Explosion-proof models |
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SIL1 Safety Integrity Level |
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Marine approvals |
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| APPLICATIONS |
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Liquids with min. 0.7 kg/dm3 density |
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Fail-safe and control level switches in closed tanks |
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Power stations, chemical, petrochemical and pharmaceutical industry |
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Supplementary fail safe switch if combined with other devices |
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S Balance tanks on ships |
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| SPECIFICATIONS |
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Switch rating: 250 V AC, 10 A |
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Ambient temperature: -20 °C to +80 °C |
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Medium temperature: up to +250 °C |
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Medium pressure: max. 25 bar |
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Process connection: square and standard flanges, 2'' thread |
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Ingress protection: IP 65, IP 68 |
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Ex marking: ATEX II 1/2 G EEx dme IIC T6..T2 (TÜV) |
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Certificates: SIL1 Safety Integrity Level |
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Shipping approvals: |
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| NIVOROTA – rotary paddle |
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| FEATURES |
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Long service time |
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Motor shut-off feature |
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Flexible coupling |
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Sealed bearings |
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High temperature range |
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True fail-safe version |
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Dust-Ex models |
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| APPLICATIONS |
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Granular material and powder with min. 80 kg/m3 density |
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High or low fail-safe |
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Feed, coal, sand, rocks, limestone, metals, rubber |
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| SPECIFICATIONS |
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Power supply: 230/120/24 V AC, 24 V DC |
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Temperature: - 30°C to 350°C |
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Pressure: max. 3 bar |
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Output: SPDT Relay 250V AC, 15A |
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Process connection: mouniting plate, or |
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BSPT 1'' / 11/2'' |
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Ingress protection: IP65 |
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Ex marking: ATEX II 1 D Ex t IIIC T135°C |
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| NIVOCONT R - (Vibrating Rod) |
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| FEATURES |
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No moving parts |
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Self-cleaning for most media |
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Stainless steel vibrating section |
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Solid rod or flexible cable extension up to 20 m |
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Plastic or aluminum housing |
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Selectable density |
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High or low fail-safe mode |
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Selectable switching delay |
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Dust-Ex models |
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| APPLICATIONS |
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Almost any granular material and powder with min. 0.05 kg/dm3 bulk density |
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Grain, flour, plastic granules, cement, fly ash, etc |
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| SPECIFICATIONS |
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Power supply: 20…255 V AC/DC |
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Ambient temperature: -30 °C to +50 °C |
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Medium temperature: -30 °C to +160 °C |
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Pressure: max. 25 bar |
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Process connection: 11/2'' |
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Output: relay (SPDT) or electronic switch (SPST) |
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Protection:IP65, IP 67 (housing) |
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Ex marking: ATEX 1/2 D tD A20/21 IP67 T* |
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| NIVOSWITCH for solids - (Vibrating Fork) |
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| FEATURES |
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Operation without power supply |
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Reed switches separated from process |
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Wetted parts stainless steel or plastic |
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Up to 5 switch points |
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Vertical adjustability of all switch points |
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Various process connections |
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Explosion-proof models |
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| APPLICATIONS |
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Liquids with min. 0.5 kg/dm3 or 0.8 kg/dm3 density |
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Multi-point level switch in closed tanks |
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Chemicals with dense vapour or gas layer above the surface |
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Foaming liquids |
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| SPECIFICATIONS |
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Switch rating: 250 V AC, 3A / reed relay, max. 9A |
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Ambient temperature: -20 °C to +95 °C |
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Medium temperature: -20 °C to +150 °C |
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Medium pressure: max. 25 bar |
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Process connection: 1'', 2'' or flanges |
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Ingress protection: IP 65 |
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Ex marking: II 2 G EEx d IIC T3...T6 (TÜV) |
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Approvals: Bureau Veritas (BV) only for Mini type (MZ-100) instruments |
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