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Overvågning

From Derail Valley
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Bremsesystemet kan overvåges via bremse manometrer, typisk placeret i førerhuset på et motoriseret køretøj. Hovedbeholderen skal altid være høj, op til 8 bar, og den bliver automatisk genopfyldt af kompressoren. Bremserørets driftstryk er mellem 3,5 bar, når bremsen er fuldt aktiveret, og 5 bar, når den er frigivet helt (da manometeret viser tryk i forhold til det atmosfæriske tryk, er de faktiske absolutte tryk ca. 1 bar højere end angivet på manometeret). Bremsecylindertrykket går mellem 0 og 3,75 bar og repræsenterer den faktiske bremsekraft, der påføres hjulene. Da bremse manometeret nogle gange deles af flere nåle, er bremsecylinder trykket normalt repræsenteret af en rød nål på bremserørsmometeret.

Main reservoir pressure should always be at, or near, 8 bar, and it is automatically refilled by the compressor .

Brake pipe operating pressures are between 3.5 bar when the brake is fully applied and 5 bar when it is fully released. Brake pipe pressure is usually represented by a black or white needle on the brake pipe gauge, and its pressure is controlled by the train brake control device.

Brake cylinder pressure goes between 0 and 3.75 bar and represents the actual braking force applied to the wheels . Brake cylinder pressure is usually represented by a red needle on the brake pipe gauge.

Since gauges display pressures relative to the atmospheric pressure, the actual absolute pressures are approximately 1 bar higher than what's indicated on the gauge and used in technical documentation.

For better brake cylinder reading visibility, there is a Brake Cylinder LED Bar gadget , which can be bought in one of the shops .