Hardwired Instrumentation
OleumTech Hardwired Sensors and Switches
Coriolis Mass Flow Meters
Achieve Precise Measurement of Mass, Volume, and Density in One Powerful Solution
HMFMxxxx
Coriolis Flow Meters Ordering Information
HIGHLIGHTS
- Designed for mass flow rate, density, and
temperature of both liquids and gases - High mass flow accuracy: ±0.1 % measurement error
- High density accuracy: <±0.0005g/cm3 measurement error
- High temperature accuracy: <±0.2 °C
- Range ratio of up to 30:1 for V Series and 40:1 for K Series
- Provides water-cut measurement
- 0.5, 1, 1.5, 2, 3 and 4-inch tube size options
- Direct and remote transmitter mounting options
- 316L SS tube material
- OLED display with photosensitive explosion-proof buttons
- Industrial-grade low-temperature drift series
components - Optional pressure compensation feature available
- Signal outputs: RS485 Modbus / 4-20 mA / 0-10 KHz Pulse Output
- Wide measurement range & high efficiency
- IP67 sensor protection, robust construction and materials
- Explosion-Proof, Zones: 0, 1 & 2
Precision Coriolis Flow Measurement
OleumTech Coriolis Flow Meters deliver highly accurate and repeatable direct mass flow measurement for liquids and gases in oil & gas, chemical injection, and industrial process applications. Designed for reliable operation in harsh and hazardous environments, these advanced Coriolis meters provide precise, repeatable measurement of mass flow, density, and temperature to improve process control, operational efficiency, and overall measurement confidence.
Engineered for Reliable Industrial Performance
Built for field-proven durability and seamless integration into modern automation systems, OleumTech Coriolis Meters support advanced diagnostics, flexible communication options, and dependable operation in critical flow measurement applications. Available in multiple sizes and configurations, the Coriolis Flow Meters are ideal for demanding applications requiring precise, repeatable, and low-maintenance flow measurement performance. Rugged construction and intelligent transmitter capabilities help operators optimize process reliability while reducing maintenance and operational costs.
| HARDWARE FEATURES | |
|---|---|
| Device Functionality | ∙ Coriolis Mass Flow Meter (V Series) |
| Mass Flow Accuracy (1) | ∙ ±0.1 %: Within 20:1 Range Ratio (2) ; ±0.15 %: Within 30:1 Range Ratio (2) |
| Gas Mass Flow Accuracy | ∙ ±1.0 %: Within 30:1 Range Ratio (3) |
| Mass Flow Repeatability | ∙ ±0.05 %: Within 20:1 Range Ratio (2) |
| Volume Flow Accuracy (3) | ∙ ±0.1 %: Within 20:1 Range Ratio (2) |
| Density Accuracy (5) | ∙ Density Accuracy (5): ±0.5 kg/m³ (±0.0312 lb/ft³) |
| ∙ Repeatability: ±0.2 kg / m³ (±0.01249 lb/ft³) | |
| ∙ Measuring Range: 200 to 2000 kg/m³ (12.49 to 124.86 lb/ft³) | |
| Temperature Accuracy | ∙ Accuracy: ±0.2 °C / ±0.36 °F |
| ∙ Repeatability: ±0.1 °C / ±0.18 °F | |
| Output Signals / Baud Rate | ∙ RS485 Modbus / 9600 to 38,400 bps, Pulse 0-10 KHz, 4-20 mA (2 Analog Channels) |
| MECHANICAL SPECIFICATIONS | |
| Enclosure Casing Material | ∙ Type 4X Aluminum |
| Cable Entry Ports | ∙ Two 1/2" NPT (F) |
| Process Connection | ∙ Flange, ANSI 16.5 |
| Tube Material | ∙ Stainless Steel 316L |
| Ingress Protection | ∙ Sensor: IP66/67 ; Transmitter: IP67 |
| ELECTRICAL SPECIFICATIONS | |
| Power Supply | ∙ AC: 220 Vac, 50/60 Hz ; DC: 24-32 Vdc |
| Power Consumption | ∙ ≤11 W |
| Notations | (1) The stated flow accuracy includes the combined effects of repeatability, linearity and hysteresis. All liquid indicators are based on water at 20 - 25 °C and 0.1 - 0.2 Mpa reference conditions, unless otherwise stated. |
| (2) Range ratio is the ratio of maximum flow and minimum flow. | |
| (3) While the Minimum Flow Rate is mainly fixed with some relation to the process temperature, the Maximum Flow Rate is dependent on both process pressure and temperature. Therefore, higher pressure will result in a higher TD Ratio. | |
| (4) The volume flow accuracy is based on the process fluid with a density of 1g / cm³. For process fluids with a density other than 1g / cm³, the volume flow is equal to the mass flow divided by the fluid density. | |
| (5) Density accuracy includes the combined effects of repeatability, linearity and hysteresis. The density error of ±0.5 kg/m3 (±0.0312 lb/ft3) is based on water under the reference conditions of 20 °C and 0.1 ~ 0.2Mpa. Under different operating conditions, accuracy may be reduced. The zero-point stability is measured under the condition of no installation stress. | |
| (6) Process connection type and environmental and process fluid temperatures may reduce the maximum rating. | |
| (7) Zero stability is the ability to maintain an accurate zero with minimal flow. When the flow value is close to the low end of the flow range, the accuracy of the flow meter begins to deviate from the stated accuracy. At this time, zero-point stability must be considered. |
| HARDWARE FEATURES | |
|---|---|
| Device Functionality | ∙ Coriolis Mass Flow Meter (K Series) |
| Mass Flow Accuracy (1) | ∙ ±0.1 %: Within 30:1 Range Ratio (2) ; ±0.15 %: Within 40:1 Range Ratio (2) |
| Gas Mass Flow Accuracy | ∙ ±0.5 %: Within 40:1 Range Ratio (3) |
| Mass Flow Repeatability | ∙ ±0.025 %: Within 40:1 Range Ratio (2) |
| Volume Flow Accuracy (3) | ∙ ±0.1 %, Within 40:1 Range Ratio (2) |
| Density Accuracy (5) | ∙ Density Accuracy (5): ±0.5 kg/m³ (±0.0312 lb/ft³) |
| ∙ Repeatability: ±0.1 kg/m³ (±0.0062 lb/ft³) | |
| ∙ Measuring Range: 200 to 2000 kg/m³ (12.49 to 124.86 lb/ft³) | |
| Temperature Accuracy | ∙ Accuracy: ±0.2 °C / ±0.36 °F |
| ∙ Repeatability: ±0.1 °C / ±0.18 °F | |
| Output Signals / Baud Rate | ∙ RS485 Modbus / 9600 to 38,400 bps, Pulse 0-10 KHz, 4-20 mA (2 Analog Channels) |
| MECHANICAL SPECIFICATIONS | |
| Enclosure Casing Material | ∙ Type 4X Aluminum |
| Cable Entry Ports | ∙ Two 1/2" NPT (F) |
| Process Connection | ∙ Flange, ANSI 16.5 |
| Tube Material | ∙ Stainless Steel 316L |
| Ingress Protection | ∙ Sensor: IP66/67 ; Transmitter: IP67 |
| ELECTRICAL SPECIFICATIONS | |
| Power Supply | ∙ AC: 220 Vac, 50/60 Hz ; DC: 24-32 Vdc |
| Power Consumption | ∙ ≤11 W |
| Notations | (1) The stated flow accuracy includes the combined effects of repeatability, linearity and hysteresis. All liquid indicators are based on water at 20 - 25 °C and 0.1 - 0.2 Mpa reference conditions, unless otherwise stated. |
| (2) Range ratio is the ratio of maximum flow and minimum flow. | |
| (3) While the Minimum Flow Rate is mainly fixed with some relation to the process temperature, the Maximum Flow Rate is dependent on both process pressure and temperature. Therefore, higher pressure will result in a higher TD Ratio. | |
| (4) The volume flow accuracy is based on the process fluid with a density of 1g / cm³. For process fluids with a density other than 1g / cm³, the volume flow is equal to the mass flow divided by the fluid density. | |
| (5) Density accuracy includes the combined effects of repeatability, linearity and hysteresis. The density error of ±0.5 kg/m3 (±0.0312 lb/ft3) is based on water under the reference conditions of 20 °C and 0.1 ~ 0.2Mpa. Under different operating conditions, accuracy may be reduced. The zero-point stability is measured under the condition of no installation stress. | |
| (6) Process connection type and environmental and process fluid temperatures may reduce the maximum rating. | |
| (7) Zero stability is the ability to maintain an accurate zero with minimal flow. When the flow value is close to the low end of the flow range, the accuracy of the flow meter begins to deviate from the stated accuracy. At this time, zero-point stability must be considered. |
| CERTIFICATION & COMPLIANCE | |
|---|---|
| V Series | |
| Safety | ∙ Explosion-proof (Standard) All Models, Suitable for use in Zone 0, 1 and Zone 2 hazardous locations. |
| ∙ IECEx TUV 25.0TBDX | |
| ∙ Ex db ib [Ib Gb] IIC T6 Ga/Gb | |
| ∙ Conforms to Requirements of: IEC 60079-0, IEC 60079-1, IEC 60079-11, IEC 60079-26 | |
| ∙ Ambient Temperature: Ta = -40 to 60 °C (-40 to 140 °F) | |
| K Series | |
| Safety | ∙ Explosion-proof (Standard) All Models, Suitable for use in Zone 0, 1 and Zone 2 hazardous locations. |
| ∙ IECEx TUV 25.0TBDX | |
| ∙ Ex db ib [Ib Gb] IIC T6 Ga/Gb | |
| ∙ Conforms to Requirements of: IEC 60079-0, IEC 60079-1, IEC 60079-11, IEC 60079-26 | |
| ∙ Ambient Temperature: Ta = -40 to 60 °C (-40 to 140 °F) |
| GENERAL SPECIFICATIONS | |
|---|---|
| V Series | |
| Operating Temperature | ∙ -40 to 60 °C / -40 to 140 °F Transmitter Only |
| Process Temperature | ∙ Direct Mount Type: -40 to 100 °C / -40 to 212 °F ; Remote Mount Option: -40 to 260 °C / -40 to 500 °F |
| Storage Temperature | ∙ -40 to 70 °C / -40 to 158 °F |
| Maximum Pressure Rating (6) | ∙ Based on the ANSI Class of the Process Connection (6) |
| Humidity | ∙ ≤90 % RH Non-Condensing |
| Warranty | ∙ 2-Year Parts and Labor |
| K Series | |
| Operating Temperature | ∙ -40 to 60 °C / -40 to 140 °F Transmitter Only |
| Process Temperature | ∙ Direct Mount Option: -40 to 125 °C / -40 to 257 °F ; Remote Mount Option: -40 to 260 °C / -40 to 500 °F |
| Storage Temperature | ∙ -40 to 70 °C / -40 to 158 °F |
| Maximum Pressure Rating (6) | ∙ Based on the ANSI Class of the Process Connection (6) |
| Humidity | ∙ ≤90 % RH Non-Condensing |
| Warranty | ∙ 2-Year Parts and Labor |
Frequently Asked Questions
Explore these frequently asked questions to learn more about OleumTech Coriolis Mass Flow Meters.
What is a Coriolis flow meter?
A Coriolis flow meter is a highly accurate flow measurement device that directly measures the mass flow rate of liquids and gases using the Coriolis effect. Coriolis meters can also simultaneously measure fluid density and temperature, making them ideal for demanding industrial and oil & gas applications requiring precise process control and measurement reliability.
How does a Coriolis mass flow meter work?
A Coriolis mass flow meter operates by vibrating flow tubes at a controlled frequency. As fluid passes through the vibrating tubes, the Coriolis effect causes a measurable phase shift proportional to the mass flow rate. The meter’s sensors detect these changes to provide direct mass flow, density, and temperature measurements with exceptional accuracy and repeatability.
What accuracy can OleumTech Coriolis flow meters achieve?
OleumTech Coriolis Flow Meters provide high-performance measurement accuracy for demanding industrial environments.
The meters offer:
- High mass flow accuracy: <±0.1 % measurement error
- High density accuracy: <±0.0005g/cm3 measurement error
- High temperature accuracy: <±0.2 °C
What industries use Coriolis meters?
Can Coriolis flow meters measure gas flow?
OleumTech Coriolis Flow Meters are designed to accurately measure the mass flow rate, density, and temperature of both liquid and gases.
What are the advantages of OleumTech Coriolis Mass Flow Meters?
As a manufacturer of Coriolis flow meters for demanding industrial applications, OleumTech combines precise measurement performance with rugged construction, flexible configurations, competitive lead times, and dedicated application support.
Key benefits include:
- Highly accurate, repeatable measurements
- OLED display with photosensitive explosion-proof buttons
- Industrial-grade low-temperature drift series components
- Wide measurement range
- No moving parts, limiting maintenance requirements
- Industry-leading lead times and pricing
- World-class Application Engineers available for classroom or field training and support
What tube sizes are available?
OleumTech Coriolis Mass Flow Meters are available in 0.5, 1, 1.5, 2, 3, and 4-inch tube size options to support a wide range of flow rates and application requirements.
Are OleumTech Coriolis meters suited for hazardous locations?
OleumTech V Series and K Series Coriolis Meters are explosion-proof as standard across all models and are suitable for use in Zone 0, Zone 1, and Zone 2 hazardous locations, making them ideal for harsh industrial and oil & gas environments.
What communication protocols are supported?
OleumTech Coriolis meters offer multiple signal output options to suit a variety of applications:
- RS485 Modbus
- 4-20 mA
- 0-10 KHZ Pulse Output
What should you look for in a Coriolis flow meter manufacturer?
When evaluating Coriolis flow meter manufacturers, consider measurement accuracy and repeatability, available meter sizes and configurations, hazardous-area certifications, communication options, application support, lead times, and product reliability. OleumTech manufactures Coriolis Mass Flow Meters for demanding oil & gas and industrial applications, providing reliable measurement of mass flow along with density and temperature. Available in multiple sizes and configurations, OleumTech Coriolis meters combine high measurement accuracy, rugged construction, flexible integration, and comprehensive training and technical support.
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