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Online Oil in Water Sensors

Online Oil in Water Sensors
Online Oil in Water Sensors
Product Code : 20
Product Description

L-Dens 4X7: The New Series of Density Sensors Highly Accurate and Easy to Integrate

The new L-Dens 4X7 series of sensors are highly accurate, durable and maintenance-free. They have low integration costs and low operating costs and provide density results at 4-digit accuracy. The L-Dens 4X7 density sensors are for use in the petroleum, chemical and beverage industries. The wide range of L-Dens 4X7 sensors includes different materials, process connections and electrical interfaces to suit each plant. Process control and monitoring supported by continuous density measurement with L-Dens 4X7 sensors increases a plant’s productivity. With L-Dens 4X7, the consumption of raw materials and energy is optimized and the production runs at maximum capacity.

Key Features

Low integration costs

To keep the costs for integration as low as possible, the L-Dens 4X7 sensors are small, lightweight and compact. They are mounted with minimum integration work directly inline or in a bypass and require no extra support. The sensors come with standard data interfaces and therefore allow quick connection to the most common evaluation units, PLCs and flow computers.

Fit and forget

  • After installation the robust sensor operates for years without maintenance. L-Dens 4X7 sensors have no moving parts and no operating costs.

The main features

  • Highest accuracy
  • Easy to integrate
  • Long life and maintenance-free
  • Low total cost of ownership
  • These features lead to several customer benefits such as maximum productivity, minimized consumption of energy and raw materials.


  • Online density measurement and API calculation
  • Sugar and alcohol concentration measurement in liquids
  • Concentration measurement of many different chemicals
  • Mass flow rate determination in combination with a volumetric flow meter
  • Product differentiation and/or phase separation
  • Product blending
  • Quality control
  • Custody transfer measurement

Technical Specifications :

Measuring range

up to 3 g/cm3

Standard adjustment

0.6 to 1.2 g/cm3


1 x 10-4 g/cm3


1 x 10-5 g/cm3

Sample temperature

-40 oC to +125 oC (T5: to +70 oC)

Ambient temperature

-40 oC to +70 oC (T5: to +40 oC)


up to 125 bar, depending on material, temperature and flange

Flow range Electrical interfaces

100 L/h to 500 L/h
HART / Modbus / analog output / frequency

Process connections

DIN / ANSI / Tri-Clamp / Varivent N / 12 mm pipe


226 mm x 112 mm x 107.5 mm

Explosion-proof versions according to ATEX, FM and IECEx

Under optimal measuring conditions in the adjusted range


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