Local instruments Remote sensors Point of location
Pressure gauge
(manometer)
Pressure
transmitter/switch
Fuel oil
PI 800 PT 800 Fuel oil, inlet engine
Lubricating oil
PI 803 PT 803 Lubricating oil inlet to turbocharger/turbocharger
PI 808 PT 808
Lubricating oil inlet to main engine
PS/PT 809
Lubricating oil inlet to main engine and thrust bearing
PDS 840
Lubricating oil differential pressure – cross lter
High temperature jacket cooling water, jacket cooling water
PI 840 PT 840 Jacket cooling water inlet
PS/PT 8402 Jacket cooling water inlet (Only Germanischer Lloyd)
PDS/PDT 8403 Jacket cooling water across engine
PT 843
Jacket cooling water outlet, common pipe
Low temperature cooling water, seawater or freshwater for central cooling
PI 842 PT 842 Cooling water inlet, air cooler
Compressed air
PI 850 PT 850 Starting air inlet to main starting valve
PI 8503 PT 8503 Control air inlet
PT 8505 Air inlet to air cylinder for exhaust valve
Scavenge air
PI 860 PT 860 Scavenge air receiver (PI 860 instrument same as PI 8706)
PDI 8606 PDT 8606 Pressure drop of air across cooler/air cooler
PDT 8607 Pressure drop across blower lter of turbocharger (ABB turbochargers only)
PI 863
Pressure compressor spiral housing/turbocharger
PDI 864
Pressure drop across compressor spiral housing
Exhaust gas
PI 8706 Exhaust gas receiver/Exhaust gas outlet turbocharger
Miscellaneous functions
PI 8803 Air inlet for dry cleaning of turbocharger
PI 8804 Water inlet for cleaning of turbocharger
Table 18.05.01b: Local pressure gauges on engine, options: 4 70 119, and remote indication sensors, option: 4 75 127