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Auswerteeinheit Luftströmungswächter NLSW45 3 SIL1 Analog OJ Electronics Sensoren und Transmitter Sensitive and infinitely adjustable switching Sensitive and infinitely adjustable switching point (lighting duration with battery operation: >1h) ✅ Universal air flow monitor with Safety Integrity Level 1 (SIL1) in accordance with IEC 61508 IEC61511 (device with SIL2 certification available as an alternative) power plant and energy systems
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