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GuardMagic DLLS1
Robust Digital Fuel and Oil Level Sensor with EIA-485 communication interface for standard and heavy application


Fuel and Oil level sensor GuardMagic DLLS1 is intended for precission fuel and oil level measurement in vehicle, fuel, oil and road tanker monitoring systems, power transformers etc.

GuardMagic DLLS1 sensor is designed for operation in standard and heavy application with the wide temperature range. Sensor has cast aluminum case for mechanical protection.

GuardMagic DLLS1 sensor use the capacitive technology and has not any moving parts.

- Standard and heavy application
- Operation in wide temperature range
- Anti vandal protection
- Digital communication interface
- High resolution (up to 4096 levels)
- High noise immunity
- Sensors serial connection (multi tank support)
- Operation liquids: from raw oil and up to kerosene
- Self testing
- Strong mounting
- Transport, mining, building, construction;
- Fuel transportation, road fuel tankers;
- Stationary fuel storages, diesel generators;
- Power distribution station, power transformers;
- River and coastal tugs (towboats).
main data:
Power supply:
  • 8 ... 40 V
Operation principle:
  • capacitive
Resolution (number of gradation):
  • 1024 or 4096 level
Data Line:
  • isolated
Power Line:
  • isolated
Main operation liquids:
  • oil, fuel oil, diesel fuel, transformer oil, petrol
Communication interface:
  •  EIA-485
Communication speed:
  • 19 200 bit sec
Sensor serial connection:
  • YES
Network mode:
  • YES
Interface repeater:
  • YES, DLLS1b
Internal data filter:
  • YES, programmable
Ingress protection:
  • IP67
Impact protection:
  • IK10
Anti vandal housing:
  • YES
Operation mode:
  • continues
Operation pressure:
  • atmospheric
Operation temperature:
  • ambient:  -40 ...+80
  • liquids: -40 ... +105
Sensor length:
  • 300mm
  • 500mm
  • 700mm
  • 1000mm
  • 1300mm
  • 1500mm
  • 1700mm
  • 1980mm
  • 2500mm
  • 3000mm
Customer sensor cutting:
  • YES
  • 6 bolts M6
Connector type:
  • Superseal (Tyco Electronics), plug 4 pin
Download GuardMagic DLLS1 leaflet
       GuardMagic , 2011
           Riga, Latvia

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