Durchfluss

DVH Vortex Flow Meter: Accuracy, Flexibility, and Durability

At Heinrichs Messtechnik GmbH, we’re committed to providing innovative solutions in flow measurement technology. Our DVH Vortex Flow Meter series is designed to meet the highest industry standards, ensuring exceptional accuracy and efficiency for a wide variety of fluids and gases. Built to withstand tough conditions, the DVH meter delivers reliable performance wherever you need it.

An All-in-One Measurement Solution

What sets the DVH Vortex Flow Meter apart is its ability to measure multiple process variables at once. This multivariable feature simplifies your operations, reduces the need for multiple devices, and helps cut costs.
Key Measurement Functions
  • High-Precision Velocity Sensor: This advanced sensor detects vortex frequencies to accurately measure flow rates across different fluids, from clean liquids to complex gases and steam.
  • Integrated Temperature Sensor: Built right into the meter, this sensor provides crucial temperature readings that enhance flow calculations and process adjustments.
  • Pressure Transmitter: Continuous pressure monitoring is essential for maintaining stable operating conditions and overall system performance.

→ Download

Comprehensive Measurement Capabilities

  • Volume Flow: Measures the total volume of fluid passing through the meter, vital for flow rate management.
  • Mass Flow: Accurately calculates the mass of the fluid, important for applications where material quantity is critical.
  • Temperature: Offers real-time temperature data for precise control in sensitive processes.
  • Pressure: Continuous monitoring ensures system stability, minimizing the risk of operational issues.
  • Density: Provides essential density data for accurate mass flow calculations and quality assurance.
  • Energy Consumption: Analyzes flow and temperature data to optimize energy usage, helping you save on operational costs.
DVH-EMS RTD Sensor Transmitter

Improving Efficiency through Measuring Energy Consumption

One of the standout features of the DVH vortex flow meter is its ability to measure energy consumption, making it an invaluable tool for applications involving steam and hot water. The meter can monitor one side of the process (supply or return) and uses an external temperature sensor on the opposite side to calculate energy usage accurately.

Selectable energy units include:
• BTU (British Thermal Units)
• MBTU (thousand BTU)
• MMBTU (million BTU)
• MWHr (Mega Watt Hour)
• KWHr (kilowatt hour)
• HPHr (Horsepower Hour)
• MCal (Mega Calories)
• MJ (Mega Joules)

Advanced Display and Data Analysis

  • Measured Temperatures: Accurately monitors temperatures from both supply and return lines for a complete thermal overview.
  • Temperature Difference: Essential for precise energy estimates.
  • Total Mass Flow: Tracks the cumulative mass that has passed through the system over time, aiding in effective monitoring.
  • Energy Consumption: Provides detailed insights into energy usage, facilitating better energy management.

The DVH meter not only cuts down on acquisition and installation costs but also improves accuracy and reduces maintenance needs by combining multiple measurement capabilities into one device.

Details

The DVH vortex flow meter’s versatility makes it suitable for a wide range of industrial applications, including:

  • Chemical Manufacturing: In chemical processes, accurate monitoring of chemical dosages and fluid flows is crucial for maintaining product quality and process efficiency. The DVH meter provides precise flow measurements, ensuring reliable operation.
  • Pharmaceutical Manufacturing: The pharmaceutical industry requires meticulous control over drug and raw material flows. The DVH meter ensures accurate measurements, supporting compliance with industry regulations and quality standards.
  • Hydroelectric Power Plants: Monitoring water flow in turbines and other equipment is essential for efficient power generation. The DVH meter helps optimize plant performance by providing accurate flow data.
  • Water Management: In water management applications, such as tracking flow in canals, pipelines, and water bodies, the DVH meter offers reliable measurements, aiding in resource management and infrastructure maintenance.
  • Wastewater Treatment: Accurate flow measurement in wastewater treatment plants is critical for meeting environmental regulations and ensuring system efficiency. The DVH meter provides the necessary data for effective monitoring and control.
  • Steam Generators: Monitoring the flow of water or steam is crucial for the efficiency of steam generation and overall plant performance. The DVH meter supports precise measurements, enhancing operational effectiveness.
  • Environmental Monitoring: The DVH meter can be used in rivers, streams, and other water bodies to monitor water flow accurately. This data is important for hydrological studies and water resource assessments, contributing to environmental conservation efforts.

Reliability and robust construction

The DVH vortex flow meter is built to endure harsh environments and deliver dependable operation over time.

  • Fully Welded Sensor: The sensor design eliminates seals on the measuring head, enhancing durability and reliability in harsh environments.
    Materials: Constructed with stainless steel 316L in all parts that contact the media, the DVH meter is resistant to corrosion and designed for longevity.
  • Flange Design Options: Available in DN15 (1/2″) to DN200 (8″) for standard installations and DN25 (1″) to DN100 (4″) for intermediate applications, accommodating various installation needs.
  • High-Temperature Version: Capable of operating at temperatures up to 400°C (750°F), making it suitable for high-temperature processes.
  • Maximum Operating Pressure: Designed to handle pressures up to 100 bar abs (1500 psia), supporting high-pressure applications.
  • Multivariable Measurement Capability: Accurately measures volume flow, mass flow, temperature, pressure, density, and energy consumption, providing a comprehensive solution for complex measurement requirements.
Technical data

Accuracy

Process variableLiquidGas & Steam
Volume flow± 0,7% of rate± 1% of rate
Mass flow± 1% of rate± 1.5% of rate
Temperature± 1°C (± 2°F)± 1°C (± 2°F)
Pressure±0,3% of full scale±0,3% of full scale
Density±0,3% of rate±0,5% of rate
RepetabilityStability (over 12 Months)
Volume flow±0,1% of ratenegligible error
Mass flow±0,2% of rate±0,2% of rate
Temperature± 0,1°C (±0,2°F)±0,5°C (±0,9°F)
Pressure±0,05% of full scale±0,1% of full scale
Density±0,1% of rate±0,1% of rate

Response time

  • Adjustable from 1 to 100s

Process and Ambient Temperature

  • Standard temp. : -40…260°C (-40…500°F)
  • High temp.: up to 400°C (750°F)
  • Ambient temp.: -40…60°C (-40…140°F)
  • Storage temp.: -40…85°C (-40…185°F)

Power supply (model dependent)

  • 12…36 VDC 2-wire, loop powered
  • 12…36 VDC 4-wire
  • 100…240 VAC, 50/60Hz

Display

  • Alphanumeric 2 line x 16 character LCD digital display
  • 6 pushbuttons for full field configuration
  • Display rotatable in 90° intervals

Output signals

  • Analog: 4-20 mA, loop powered for volumetric meters
  • Alarm: Solid state relay, 40 VDC
  • Totalizer Pulse: 50ms pulse, 40 VDC
  • Volumetric: 1 analog, 1totalizer pulse
  • Multivariable: up to 3 analog signals, 3 alarms, 1 totalizer pulse
Certificates and Approvals

ATEX: II 2 G Ex d IIB + H2 T6
II 2 D EX tD A21 IP66 T85°C
Ta-40…+60°C

IEC EX Ex d IIB + H2 T6
Ex tD A21 IP 66 T 85°C,Ta=-40?+60°C

FM CLASS I, DIV 1 GROUPS B,C,D
CLASS II/III, DIV.1 GROUPS E,F,G
IP66, TYPE 4X, T6 Ta=-40?+70°

Communication

HART®
Modbus process monitoring

Device sizing

Device sizing