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NON-INTRUSIVE ULTRASONIC FLOW METERS

FLEXIM, part of the Emerson group, is a global leader in non-intrusive ultrasonic flow measurement and process refractometry. Known for their clamp-on FLUXUS® flow meters, FLEXIM technologies provide highly accurate measurement of liquids, gases, and steam, all without interrupting processes. Their maintenance-free solutions are trusted across industries where precision, reliability, and continuous operation are critical.

Discover more about Flexim

Portable Ultrasonic Flow Meter

Portable ultrasonic flow meters offer a fast, non-intrusive way to measure flow without interrupting operations. Ideal for maintenance, system checks, flow audits, and temporary monitoring, these clamp-on devices are ready to measure within minutes.
FLEXIM is the only manufacturer offering a portable ultrasonic flow meter certified for Ex Zone 2, making it uniquely suited for hazardous environments in industries like oil & gas and chemical processing. With broad compatibility across various pipe sizes and media types, these meters are a versatile, reliable, and safe solution for critical flow measurement needs.

Features:

Portable & Non-Intrusive Design

Easy to carry and deploy
No pipe cutting or process disruption
Ideal for temporary or mobile use

Rugged Industrial Build

Designed for tough environments
Comes with two flow measuring channels as standard

Quick & Easy Setup

No zero-point calibration required
Plug-and-play with automatic transducer recognition

High Flexibility

Easy to carry and deploy
No pipe cutting or process disruption
Ideal for temporary or mobile use

Bi-Directional Flow Measurement

Measures flow in both directions.
Works with almost any pipe material and liquid type.
Includes a built-in material database.

Hazardous Area

Models available for Hazardous Area
FM Class I Division 2 approved
Safe and compliant for oil & gas, chemical, and other critical industries

Handles Difficult Flow Conditions

Accurate readings even with challenging fluids
HybridTrek mode ideal for media like wastewater

Dust & Moisture Resistant

Proven clamp-on sensor technology
Reliable performance in humid or dusty areas

Built-In Data Logging & Analysis

Internal data logger for tracking
Powerful FluxDiag software for reports

Portable & Non-Intrusive Design

Easy to carry and deploy
No pipe cutting or process disruption
Ideal for temporary or mobile use

Rugged Industrial Build

Designed for tough environments
Comes with two flow measuring channels as standard

Quick & Easy Setup

No zero-point calibration required
Plug-and-play with automatic transducer recognition

Built-In Data Logging & Analysis

Internal data logger fortracking
Compatible with powerfulFluxDiag software for reports.

Bi-Directional Flow Measurement

Measures flow in both directions.
Works with almost any pipe material and liquid type Includes a built-in material database

Portable & Non-Intrusive Design

Easy to carry and deploy
No pipe cutting or process disruption
Ideal for temporary or mobile use

Rugged Industrial Build

Designed for tough environments
Comes with two flow measuring channels as standard

Quick & Easy Setup

No zero-point calibration required
Plug-and-play with automatic transducer recognition

Built-In Data Logging & Analysis

Internal data logger fortracking
Compatible with powerfulFluxDiag software for reports.

Bi-Directional Flow Measurement

Measures flow in both directions.
Works with almost any pipe material and liquid type Includes a built-in material database

Fixed Ultrasonic Flow Meter

Flexim’s fixed, non-intrusive ultrasonic flow meters provide accurate and reliable flow measurement without the need to cut or modify pipelines. Available for both safe and hazardous areas, they are Ex-certified for Zone 1 and Zone 2 and carry SIL 2 certification for demanding process industry applications. These meters are particularly well-suited for flow monitoring and leak detection in drinking water networks. The hazardous area models feature hermetically sealed compartments and use carefully matched, temperature-compensated transducers to ensure stable performance in challenging conditions.

Features:

Cost-Effective & Low Maintenance

No pipe work required
No process shutdown needed
Virtually maintenance-free
Low installation costs

High Accuracy & Stability

Accurate down to 0.01 m/s (0.03 ft/s)
Excellent zero-point stability
Permanently drift-free
No zero-calibration needed

Wide Application Range

Works with any pipe size and material
Operates across wide temperature and pressure ranges
Suitable for permanent burial installation

Certified & Calibrated Transducers

Matched and paired transducers
Wet calibrated with traceable national certification

No Pressure Loss or Leak Risk

Non-intrusive design
No pressure loss during measurement
Eliminates risk of leaks and fugitive emissions

Durable & Rugged Design

IP68 rated transducers
Resistant to wear, abrasion, clogging, and corrosion

High Tolerance to Solids & Gases

Performs well with entrained solids and gases in the fluid
Permanent Coupling Pads
Ensures stable and reliable transducer contact over time

Advanced Meter Verification

Built-in verification for ongoing accuracy and performance

Versatile Area Certification

Available for both safe and hazardous environments.
Certified for Zone 1 and Zone 2 (Ex-certified).
Compliant with strict industry safety standards.

Cost-Effective & Low Maintenance

No pipe work required
No process shutdown needed Virtually maintenance-free Low installation costs

Versatile Area Certification

Available for both safe and hazardous environments.
Certified for Zone 1 and Zone 2 (Ex-certified). Compliant with strict industry safety standards.

High Tolerance to Solids & Gases

Performs well with entrained solids and gases in the fluid Permanent Coupling Pads
Ensures stable and reliable transducer contact over time

Certified & Calibrated Transducers

Matched and paired transducers
Wet calibrated with traceable national certification

No Pressure Loss or Leak Risk

Non-intrusive design
No pressure loss during measurement
Eliminates risk of leaks and fugitive emissions

Cost-Effective & Low Maintenance

No pipe work required
No process shutdown needed Virtually maintenance-free Low installation costs

Versatile Area Certification

Available for both safe and hazardous environments.
Certified for Zone 1 and Zone 2 (Ex-certified). Compliant with strict industry safety standards.

High Tolerance to Solids & Gases

Performs well with entrained solids and gases in the fluid Permanent Coupling Pads
Ensures stable and reliable transducer contact over time

Certified & Calibrated Transducers

Matched and paired transducers
Wet calibrated with traceable national certification

No Pressure Loss or Leak Risk

Non-intrusive design
No pressure loss during measurement
Eliminates risk of leaks and fugitive emissions

APPLICATIONS

Oil & Gas

Chemicals

Water & Wastewater

Power

Mass Flow

Pure Steams

Pure Steams

Thermal Energy

Food & Beverage

Concentration & Density

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