Alutal Measure & Trust

OilGuard 2 W

OilGuard 2 W is an oil trace monitor for water treatment, used for monitoring oil traces in raw, surface, process and waste water.

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The product

With the OilGuard 2 W from Sigrist, even the smallest traces of oil, as well as larger amounts, can be precisely detected. The ingenious instrument design of the OilGuard 2 W in combination with the high quality of its optical components minimizes the effect of interferences.

How the OilGuard 2 W works

As a result of the non-contact free-fall measurement, there are no reading falsifications arising from window soiling and there is an extremely low need for maintenance.

The instrument’s factory setting is calibrated with 16 EPA-PAH standard. The OilGuard 2 W can be recalibrated by the customer with a secondary standard (solid reference), which allows an exact recalibration without 16 EPA-PAH.

The instrument can be adapted to various types of oil to meet customer requirements. Checking the instrument is easy with corresponding solutions.

Applications

The OilGuard 2 W monitors oil traces in:

  • Raw water
  • Surface water
  • Process water
  • Waste water

Key features

  • Non-contact free-fall measurement, with no reading falsifications arising from window soiling
  • Extremely low need for maintenance
  • Factory calibration with 16 EPA-PAH standard
  • Exact recalibration by the customer with a secondary standard (solid reference)
  • Precise detection of the smallest traces of oil, as well as larger amounts
  • Can be adapted to various types of oil

Alutal, Sigrist’s sales and service partner in Brazil, would be pleased to show you the possible applications on site or assist you with your projects, providing competent advice and local support in the practical use and service of the OilGuard 2 W.

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Technical Specifications

Parameter Value
Nominal range 0 .. 800 µg/l (ppb)
Measuring ranges 8, freely programmable
Sample flow rate >= 3 l/min, unpressurized
Protection class IP54
Display ¼ VGA, 3.5″
Measuring principle UV fluorescence
Operation voltage 18 .. 30 VDC
100 .. 240 VAC, 47 .. 63 Hz (optional)
Power consumption 8 W
Resolution 0.01 µg/l (ppb) @ 16 EPA-PAH standard
Outputs 2 × 0/4 .. 20 mA, galv. isolated
2 × relay 250 VAC, 4A
Sample temperature 0 .. +40 °C
Light source LED 280 nm
Ambient temperature -10 .. +50 °C
Ambient humidity 0 .. 100 % rel.
Sample connector Tube connection inside Ø 12/25 mm
Material SS 316 L / PVC
Operation Touchscreen
Inputs 1 x Digital (available in OilGuard 2 W A)
2 × 0/4 .. 20 mA
Digital interfaces Ethernet, Modbus TCP, SD card
Option: Profibus DP, Modbus RTU
Detection limit 0.1 µg/l (ppb) @ 16 EPA-PAH standard

100%

Energy self-sustainable

+4500

Customers around the world

ISO 9001

Certified since 2006

+5000

Parts delivered monthly

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