Oil Mist Detector · Oil Mist Detection
Schaller Automation Visatron VN87-II 20ch — Oil Mist Detection. As an Oil Mist Detector, it is normally installed on a large diesel engine with detector or sampling points connected to crankcase compartments and an alarm unit. In that role, its primary purpose is to warn of abnormal oil-mist formation that can precede a crankcase hot spot or explosion. Unlike ordinary temperature monitoring, oil-mist detection responds to aerosol concentration and is sensitive to sampling cleanliness, optical condition and engine compartment balance. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect sampling pipes, detector chamber, optics, filters, fan or pump where fitted, drains and alarm interfaces. Keep sample passages clean and investigate repeated channel deviations rather than simply resetting alarms. Function-test alarms under the approved procedure. Refer to the manufacturer and engine documentation for the exact figure for alarm levels and calibration methods.
Carry filters, seals, cleaning materials, sampling-line fittings, fan or pump service parts, fuses and supported sensor or electronic modules.
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