Evaluation unit NLSW45-3 Ex SIL2, flow monitoring for ATEX areas with SIL2 certification
Description
Description
✅ Flow monitoring with SIL2 certification according to IEC 62061 (corresponds to performance level d according to EN ISO 13849-1)
✅ Can be used in ATEX zones 1 and 2 in conjunction with the 4 Zener barriers supplied
✅ Large measuring range from 0.1 to 20 m/s with media temperatures from 0°C to 60°C
✅ with switching output suitable for switch cabinet installation
✅ Developed for demanding industrial applications, IP40
✅ Redundant design of the evaluation electronics and use of 2 sensors required
✅ Example areas of application: HVAC systems, fire and smoke protection systems, industrial and process applications, power plant and energy systems, automotive industry and test benches
Evaluation unit NLSW45-3 Ex SIL2, flow monitoring for ATEX areas with SIL2 certification - 230 V AC is in stock and is sent as soon as it is available again

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Technische Zeichnung 3D: Download
Technische Zeichnung 2D: Download
Bedienungsanleitung DE: Download
Bedienungsanleitung EN: Download
specification
specification
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MediumGases
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Device typeFlow evaluation unit for switch cabinet installation
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Flow range0.1 ... 20 m/s
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Medium temperature0 ... 60°C
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DisplayLED (voltage & switching point)
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Switching pointStepless adjustment (potentiometer)
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Protection class evaluation unitIP65
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Special features4 Zener barriers included in the scope of delivery, 2 sensors required (SIL2)
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Output signalSwitching output
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Switching output specification2 changeover contacts (per channel)
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Sensor break output signalRelay drops out
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Sensor short-circuit output signalRelay drops out
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Relay output specification2 changeover contacts (per channel)
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Housing materialPolyamide (UL94V-0)
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Housing dimensions85 mm x 165 mm x 55 mm
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MountingMounting kit included, Mounting on DIN rail optional, to be mounted outside the ATEX zone
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Power supply24 V DC ±5%, 24 V AC ±5%, 230 V AC ±5%
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Electrical connectionTerminal strip
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Max. power consumption5 VA
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Recommended cable cross-section2.5 mm²
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Current and contact rating250 VAC, 8 A, 2 kVA
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Minimum switching capacity10 mA, 5 V DC
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Ambient temperature-20 ... 50°C
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CertificatesCE
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ATEX certificationII 3G Ex ic IIC T4 Gc, simple electrical equipment; Zone 1
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SIL levelSIL2
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Country of origin
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Customs tariff number
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HS code
Häufig gestellte Fragen
Was ist das Besondere am NLSW45-3 Ex SIL2?
Was ist das Besondere am NLSW45-3 Ex SIL2?
In welche Anwendungen passt das Gerät?
In welche Anwendungen passt das Gerät?
Welche Vorteile bietet der doppelt vorhandene Relaisausgang?
Welche Vorteile bietet der doppelt vorhandene Relaisausgang?
Wie erfolgt die sichere Installation?
Wie erfolgt die sichere Installation?
Wie gestaltet sich die Wartung im Ex-Bereich?
Wie gestaltet sich die Wartung im Ex-Bereich?
Welche Sensorvarianten gibt es?
Welche Sensorvarianten gibt es?
Was ist bei einem Sensorausfall oder -bruch?
Was ist bei einem Sensorausfall oder -bruch?