Density meter
Type: DWF

The DWF meter is suitable for density measurement of liquid products in pipelines. The current density is displayed in grams per liter or kg/m³ on the scale of the display unit. On request scale according to customer requirement

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Density meter for liquid media in pipelines.
Applicable in all branches of industry due to the use of
corrosion-resistant wetted parts.


Robust, mechanical measuring method with magnetic measured value transmission clear 90° scale

Special features
  • Inline density measurement of liquids
  • Linear scale
  • No bypass needed
  • Wetted parts made of stainless steel
  • Heating possible
  • For the use in hazardous areas
Technical data


  • Materials: Stainless steel, Hastelloy (others on request)
  • Process connection: DN 25, ASME 1″,DN 50, ASME 2″
  • Flanges according to EN 1092, ASME B16.5, DIN 2512 (others on request)
  • Nominal pressure: PN16, ASME Cl 150 (others on request)
  • Process temperature: -20°C to +150°C
  • Ambient temperature: -20°C to +80°C
  • Protection class: IP65/ 67 (EN60529)
  • Flow rate: up to 10 m3/h
  • Nominal sizes: DN25 or DN50
  • Media temperatures: -20°C to +200°C
  • Pressure ratings: up to PN16
  • Density range medium: 700 g/l to 1900 g/l
  • Measuring span: 50 g/l to 600 g/l
  • Flow rate*: 2500 l/h / 5000 l/h 10000 l/h

*Reference conditions according to IEC 770, water at 20°C

Aluminum (stove enameled) or stainless steel

Electrical outputs: inductive limit switches,inductive limit switches safety engineering).
micro switch (others on request)

Ambient temperature: -40°C to +80°C (without limit switches)
-40°C to +80°C (with limit contacts)

  • Power supply: 14 … 30 VDC
  • Outputs: passive, galvanically isolated
  • Analog: 4…20 mA
  • Binary 1 and 2: Ui=30 V, Ii=20mA, Pi=100 mW
  • Ambient temperature: -40°C up to +70°C
  • Ingress protection: IP 20 (EN60529)
Certificates and approval

Explosion protection:

  • Armature: BVS 03 ATEX H/B 112
  • Indication unit: Explosion protection: DMT 00 ATEX E075
  • Type of protection: II 2G EEX ia IIC T6
  • CE-Marking: Explosion Protection Directive 2014/34/EU

Electromagnetic Compatibility. EMC-Directive


HART-protocol and 2 NAMUR-switches
HART-protocol and 1 NAMUR-switch / pulse output
Foundation Fieldbus