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DIESEL ENGINE CONTROL AND GENERATOR EQUIPMENTS >> FW MURPHY Process Monitoring Instruments >> Level Maintainers
FW MURPHY Process Monitoring Instruments
Level Maintainers
- LM500, LM500-TF oil level maintainers
- LM2000 / LM2000S
- LM300 Series
- LR857
- LR579 / LR589
Level Switches
Pressure Sensors and Instruments
Speed/Time Sensors and Instruments
Temperature Sensors and Instruments
LM500, LM500-TF oil level maintainers

The Murphy LM500-TF Oil Level Maintainer includes a test feature that confirms both the float and switch are operating correctly with a single press of the test button. The LM500 series maintains the crankcase oil level of an engine, pump or compressor. Adjusted to the correct running-oil-level, it will replenish oil as it is used. The low-level switch will alarm and/or shutdown the equipment if supply oil is lost and the equipment continues to use oil.

Test Feature (TF) allows test of float and switch
  • Direct Mount (DM) capable
  • Eliminates under/overfill due to “human error”
  • See oil level and condition without shutting down
  • Simple installation
  • Automatically maintains lube level
  • Low level, 3-wire, snap-action switch
  • Positive sealing Thumb-Valve™Not intended for use with fuel

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