Wire break resistance

Important information:

All Visatron oil mist detectors are equipped with wire break resistance for oil mist detector alarm. The wire break resistance is a set resistance valve for the oil mist alarm, and are connected between pin 7 & 8  and pin 15 & 16. It is important to ensure that the wire break resistance is correct according to the requiered resistance for the alarm shut down function of the engine. If the value is incorrect according to the requiered wire break resistance value (at the alarm shut down function panel)- this may lead to a situation where you get no shut down or reduced RPM of the engine during a real high oil mist level alarm situation!

If you are replacing the complete oil mist detector or a measuring head with ex. an exchange unit- you always need to check the documented wire break resistance on the “old” device. When you have this information, you need to check that it is the same wire break resistance value on the new device before starting up the engine.If the wire break resistance is different between the devices, you can transfer the wire break resistances (2 pc. presented on the backside of the electronic modules placed in the measuring head) from the “old” device to the new device. Always make a proper test of your system when replacing measuring head or complete oil mist detector!

Part number for wire break resistors:
Part no.:Value K ohm:Other information:
100900-33,00K33,00 K ohm2 pc. per package incl.instruction fact sheet
100900-33,20K33,20 K ohm2 pc. per package incl.instruction fact sheet
100900-24,90K24,90 K ohm2 pc. per package incl.instruction fact sheet
100900-10,00K10,00 K ohm2 pc. per package incl.instruction fact sheet
100900-3,30K3,30 K ohm2 pc. per package incl.instruction fact sheet

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