ALTOSONIC 5 Multi-path Ultrasonic Flowmeter


  • Bi-directional flow measurement with the widest certified turndown ratio (75:1)
  • Unique path configuration plus one vertical path for diagnostics
  • Independent of flow profile (Reynolds number) and product variations
  • Certified viscosity range up to 1500 cSt
  • Reduced installation length: down to 5D with flow conditioner
  • Transducer replacement under process conditions
  • Extensive diagnostic features: recognition and visualisation of complete flow profile
  • Full pipe guarantee: integrated entrained gas detection
  • Significantly easier small volume proving
  • Easy integration with SUMMIT 8800 or any other approved flow computer
  • No moving parts, no wear, no pressure loss
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General information

Product type Flowmeter
Product family name ALTOSONIC
Product positioning For custody transfer (CT) measurement in upstream and midstream applications
Measurement principle Ultrasonic
Measured media Liquids


Operating conditions

Process temperature -200…+250°C/-328…+482°F


Measuring tube Austenitic stainless steel (1.4404/316L), Carbon steel (A106 Gr.B), Carbon steel (A333 Gr. 6), Carbon steel (A350 Gr. LF2)

Process connections

Flange connections EN (1092-1): DN100…600
ASME (B 16.5): 4…24″
Pressure rating (ASME B 16.5) Cl 600#


Analogue outputs 0…20 mA, 4…20 mA


The ALTOSONIC 5 Multipath Ultrasonic Flowmeter is the perfect tool for accurately measuring and monitoring fluid flow. This flowmeter is designed to offer superior accuracy and reliability, with a wide range of features designed to make your job easier. Its multipath design allows for measurement at several points along the pipeline, making it ideal for applications in industries such as oil and gas, chemical processing, and water management.

The ALTOSONIC 5 is equipped with advanced signal processing technology, which allows for accurate flow rate and totalized flow measurement. It also features a userfriendly interface, with intuitive display and control options, making it easy to use and configure. With its robust construction, reliable performance, and intuitive operation, the ALTOSONIC 5 is the perfect choice for any application requiring accurate and reliable flow measurements.


  • Multipath inline meter for crudes, refined products, cryogenic media and chemicals.
  • Liquid hydrocarbons
  • Oil and gas industry
  • Chemical and other process industries
  • Conventional power industry
  • Easy integration



  • EN (1092-1): DN100…600 ASME (B 16.5): 4…24“


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