Model HSS1056 Floating Oil Thickness Monitor

The Model HSS 1056 Floating Oil Thickness Monitor consists of a unique sensing probe that continuously monitors a water surface to control pumps, operate valves, or activate alarms.

The capacitance technology does not foul or require cleaning. There are no moving parts and the remote alarm unit mounts safely away from wetted parts.

The sensing probe monitors the capacitance field between the probe and it’s concentric shield. As the volume of separated oil increases on the water surface, the probe capacitance changes. This proportional change is used to indicate the separated oil level and provide relay control and outputs.


Features and Benefits

  • No moving parts
  • Remote electronics via standard twisted pair
  • One controller can maintain up to 2 float sensors
  • Available with Intrinsic Safety Barrier for Hazardous Locations
  • High corrosion resistant Polytetrafluoroethylene (PTFE) and stainless steel wetted parts
  • Capacitance technology responds to all oil types
  • HF capacitance technology does not require routine cleaning
  • Easy calibration and control set up


Specifications – Control Unit
Operating Temperature32°F to 122°F (0°C to 50°C)
Power Input24 vdc or 110 vac or 220 vac
Analog Output4-20 mA proportional to oil level
Interface 3.75 l RS-485 Modbus available bs (1.7 kg)
Display Backlit display of oil level
Alarm Relays4 x 10 amp, SPDT, dry
Standards UL, CSA, CE
Enclosure Type 4X, IP65
Specifications – Probe
Operating Temperature32°F to 122°F (0°C to 50°C)
Range 0 – 600mm or 0 – 25mm +/- 1mm
Approval CSA Class I, Zone 2 Div 2, Groups A, B, C, D (when used with Intrinsic Barrier option)


More Information

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