1. Define Process Requirements

Identify the fluid type, temperature, pressure, flow range, and properties like viscosity or conductivity.

2. Evaluate Installation Conditions

Consider piping layout, available space, ambient conditions, and straight-run requirements.

3. Specify Performance Needs

Define accuracy, repeatability, response time, and signal output type (e.g., 4-20 mA, Modbus).

4. Consider Plant Familiarity

Choose technology your team is comfortable with, and check spare part availability and failure history.

5. Estimate Total Cost

Don’t prioritize price first. Assess full lifecycle cost including installation, maintenance, and accuracy performance.

6. Ensure Compliance & Certification

Confirm that the flow meter meets relevant industry certifications (ATEX, ISO, FDA) for your application and region.

🧰 Choose the Right Meter

Selecting the wrong meter for your application leads to early issues. Base your selection on fluid type, temperature, pressure, and particulate presence.

🔩 Maintain Moving Part Meters

Check for wear and fouling. Install inline filters to prevent damage and schedule regular inspections if using with viscous or dirty liquids.

⚡ Maintain Obstruction-Free Meters

Ultrasonic and magnetic flow meters require regular checks of electronics and sensors. Remove coatings and check signal integrity.

🧼 Prevent Electrode Coating

Mag meters fail if electrodes are insulated by coatings. Clean regularly in chemical or slurry environments to ensure accurate conductivity readings.

🔍 Inspect Impulse Lines

In DP meters, clogged or corroded impulse lines distort readings. Flush and inspect lines periodically, and validate secondary element positioning.

📅 Schedule Preventive Maintenance

Plan maintenance frequency based on fluid quality, temperature, and system exposure. Logging service history helps anticipate replacements.

Straight Pipe Length

Ensure 5–10x diameter upstream & 3x downstream to avoid turbulence and boost accuracy.

Prevent Air Gaps

Install at the lowest pipeline section and keep the meter completely full at all times.

Correct Flow Direction

Follow the flow arrow on the meter body to ensure proper signal output and operation.

Electrical Safety

Protect electronics from moisture, EMI, and excessive heat. Use proper junction boxes.

Flush the Line

Remove particles or debris before installation to prevent clogging or sensor damage.

Verify Calibration

Check and confirm output signal and calibration against control system after wiring.

Water Treatment

Accurate measurement of treated and raw water across plants.

Oil & Gas

Fuel flow meters for diesel, crude, and chemical blending.

HVAC & Utilities

Energy-efficient flow monitoring for chilled water and steam lines.

Food & Beverage

Hygienic flow solutions for juice, milk, and sugar syrups.

Electromagnetic Flow Meter

Electromagnetic flow meters are ideal for a wide range of industries — including water and wastewater treatment, chemical processing, power generation, fuel distribution, and even specialized applications like airflow monitoring and medical fluid control.

These meters excel at measuring high-viscosity liquids and slurries without clogging, and they maintain accuracy during pressure drops or low flow conditions. Perfect for pipelines with irregular or intermittent flows such as those at well sites.

Operating on velocity-based technology, electromagnetic meters are one of the most reliable solutions for conductive liquids. Many industries rely on them as digital water flow meters due to their accuracy, reliability, and integration capabilities.

• Ideal for water, wastewater, dairy, slurry, and chemical flow
• Non-intrusive & maintenance-free design
• 4–20mA output for SCADA/PLC control
• Used in food, pharma, mining, steel, and petrochemical sectors

Vortex Flow Meter

Vortex flow meters are a versatile choice for measuring both liquid and steam flow. These meters are designed to withstand high temperatures, making them ideal for use in steam lines, compressed air systems, and process plants where traditional meters fail due to heat distortion.

They are also widely used for airflow and gas measurement in compressors, HVAC systems, and industrial boilers. Vortex meters are appreciated for their stable readings, minimal pressure drop, and maintenance-free design.

Available in flanged, wafer, or insertion models, vortex flow meters are suitable for different pipe sizes and installation conditions. While flanged and wafer types offer better accuracy, insertion types are preferred for large pipelines or retrofits.

• Best for steam, gas, and air measurement
• High-temperature and pressure-resistant design
• Available in insertion, wafer, and flanged types
• Minimal maintenance and excellent long-term reliability

Turbine Flow Meter

Turbine flow meters are highly accurate instruments used for measuring the volumetric flow of clean, low-viscosity fluids. They work by monitoring the rotational speed of a rotor placed in the fluid path, with the rate of rotation proportional to the fluid velocity.

These meters are widely used in the oil and gas industry, water treatment plants, and automotive applications. They come in several designs, including paddlewheel, propeller, and axial turbine types, each tailored to specific flow profiles and installation needs.

Turbine meters are best suited for systems with steady, continuous flow and are commonly used for batch measurements, fuel monitoring, and liquid transfer systems.

• Ideal for water, fuel, oil, and chemical flow
• High accuracy and fast response time
• Multiple rotor types for tailored applications
• Common in automotive, energy, and lab settings

Ultrasonic Flow Meter

Ultrasonic flow meters use sound waves to measure the velocity of liquids inside a pipe, offering a non-invasive, highly accurate solution for various fluids — even those that are dirty or aerated.

These meters are commonly used in HVAC systems, water treatment, chilled water, and district cooling due to their clamp-on and inline installation flexibility, especially where pipe modification is not possible.

With no moving parts, ultrasonic meters are maintenance-free and provide reliable readings even under harsh operating conditions — including high pressure, corrosive media, and high temperatures.

• Clamp-on, insertion, or inline designs
• No pipe cutting or downtime required
• Suitable for clean and dirty fluids
• Widely used in cooling water, HVAC, and energy audits

Differential Pressure Flow Meter

Differential pressure (DP) flow meters measure flow by calculating the pressure drop across an obstruction, such as an orifice plate or venturi tube. This classic and widely adopted method is used for both liquid and gas measurement.

These meters are popular in oil & gas, petrochemical, steam, and water systems, offering a proven and economical solution where cost-effective, robust measurement is required.

While they require careful installation and flow conditioning, DP meters offer a broad operating range and can handle high-pressure and high-temperature applications with ease.

• Measures based on pressure drop principle
• Ideal for gases, steam, and clean liquids
• Compatible with orifice, venturi, and pitot tubes
• Widely used in oil & gas and utility sectors

Positive Displacement Flow Meter

Positive displacement (PD) flow meters directly capture fixed volumes of fluid between rotating components, making them extremely accurate — even at very low flow rates and with highly viscous or non-conductive liquids.

They are often used in fuel dispensing, batching, blending, and precision dosing applications in industries such as oil & gas, food, paint, and adhesives.

With no need for a straight pipe run or flow conditioning, PD meters are ideal for installations with space constraints, and they provide reliable performance regardless of fluid properties.

• Best for low flow, high-viscosity applications
• Highly accurate and repeatable measurements
• Used for blending, batching, and fuel transfer
• No power required for mechanical models

Oval Gear Flow Meter

Oval gear flow meters are positive displacement devices that measure flow by counting the rotations of oval-shaped gears as fluid passes through. This design ensures high accuracy, especially with viscous fluids.

These meters are ideal for oil, grease, syrup, paint, and high-viscosity chemicals across industries like food processing, petrochemicals, and lubrication systems.

Oval gear meters work without the need for a power supply and are unaffected by viscosity, density, or temperature variations, making them perfect for demanding industrial environments.

• Accurate flow measurement for viscous fluids
• Mechanical or digital readout options
• Robust design with minimal maintenance
• Common in lubricant, paint, and additive metering

Mass Flow Meter

Mass flow meters provide direct measurement of flow rate by mass rather than volume, making them extremely accurate for liquids and gases regardless of temperature or pressure variations.

Commonly based on the Coriolis principle, these meters are widely used in the pharmaceutical, food & beverage, chemical, and gas processing industries for precision flow control and dosing.

They require no straight pipe runs, making them ideal for compact installations where space is limited. They also offer real-time density and temperature measurement, improving process control.

• Direct mass flow measurement for liquids and gases
• No need for flow conditioning or straight runs
• Ideal for batching, dosing, and critical applications
• Available in hygienic designs for food & pharma