超声波气体流量计
Technical Data
CompareGas
| Measuring Principle | Ultrasonic flow |
| Product headline | Highly robust gas specialist for fluctuating process conditions with compact, easily accessible transmitter. Flexible device with user-definable gas mixtures for demanding measuring tasks. Accurate measurement of natural and process gas in the chemical as well as oil and gas industries. |
| Sensor features | Maximum reliability even with humid or wet gas – sensor design insensitive to condensate. High-performance process control – real-time pressure- and temperature-compensated values. Efficient solution – multivariable, no pressure loss. Direct measurement: flow, pressure & temperature. Wetted parts: titanium / 316L. Maximum measuring accuracy: 0.5 %. |
| Transmitter features | Full access to process and diagnostic information – numerous, freely combinable I/Os. Reduced complexity and variety – freely configurable I/O functionality. Integrated verification – Heartbeat Technology. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available. |
| Nominal diameter range | DN 25 to 300 (1 to 12") |
| Wetted materials | Measuring tube: 1.4408/1.4409 (CF3M) Transducer: 1.4404 (316, 316L), Titan Grade 2 |
| Measured variables | Volume flow, corrected volume flow, mass flow, flow velocity, speed of sound, pressure, temperature, density, dynamic viscosity, energy flow, Wobbe index, methane fraction, calorific value, molar mass |
| Max. measurement error | Volume flow (standard): ‐ ±1.0 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±2 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Volume flow (optional calibration): ‐ ±0.5 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±1.0 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Corrected volume flow (standard): ‐ ±1.2 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±2.1 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Corrected volume flow (optional calibration): ‐ ±0.8 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±1.2 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Sound Velocity: ±0.2 % o.r. |
| Measuring range | Gas: 0.3 m/s to 40 m/s |
| Max. process pressure | 0.7 to 101 bar a (10.15 to 1464.88 psi a) |
| Medium temperature range | -50 to 150 °C (-58 to +302°F) -50 to 100 °C (-58 to +212°F) with integrated pressure cell |
| Ambient temperature range | -40 to 60 °C(-40 to +140 °F) Optional: -50 to 60 °C(-58 to +140 °F) |
| Sensor housing material | Stainless Steel, 1.4404(316/316L), 1.4408/1.4409 (CF3M) |
| Transmitter housing material | AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L Polycarbonate |
| Degree of protection | Compact version: IP66/67, type 4X enclosure. Optional: External WLAN antenna: IP67 |
| Display/Operation | 4-line backlit display with Touch Control (operation from outside) Configuration via local display and operating tools possible Remote display available |
| Outputs | 3 outputs: 4-20 mA HART (active/passive) 4-20 mA (active/passive) Pulse/frequency/switch output (active/passive) Double pulse output (active/passive) Relay output |
| Inputs | Status input 4-20 mA input |
| Digital communication | HART, Modbus RS485 |
| Power supply | 24V DC 100 to 230 V AC AC 100 to 230 V / DC 24 V (non harzardous area) |
| Hazardous area approvals | ATEX, IECEx, cCSAus, JPN, EAC, UK Ex, KC |
| Product safety | CE, C-tick |
| Functional safety | Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511 |
| Metrological approvals and certificates | Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025) Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a |
| Pressure approvals and certificates | PED, CRN |
| Material certificates | 3.1 material NACE MR0175/MR0103 |
Prosonic Flow G is widely used for gas measurement of all kinds, delivering reliable flow measurement even in applications with wet gases and changing gas properties and composition. The pressure-rated sensor housing with burst disc reduces safety risks. Combined with the compact transmitter, it offers flexible operation and easy integration: wiring on the same side of the instrument, remote display and improved connection options. Heartbeat Technology ensures compliance and process safety at all times.
Benefits
Flexible use: can measure user-supplied gas mixtures even under demanding conditions
Highest reliability even in humid environments or with entrained moisture; the sensor is unaffected by condensation
High process control performance with online pressure and temperature compensation
Efficient solution: multivariable measurement with no pressure loss
Complete process and diagnostic information: multiple user-configurable input/output combinations
Reduced complexity and variability: user-configurable input/output functions
Self-verification: uses Heartbeat Technology
Applications
Measuring principle unaffected by gas composition
High-accuracy measurement of natural gas and process gas in the chemical and oil & gas industries
Device features
Direct measurement of flow, pressure and temperature
Wetted parts materials: titanium, 316L
Highest measurement accuracy: 0.5 %
Compact dual-compartment housing with up to 3 inputs/outputs
Backlit display, touch key operation and WLAN access
Remote display available
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Source: Endress+Hauserpublic information from the website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Ultrasonic Flow Meter Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Ultrasonic Flow Meter Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Ultrasonic Flow Meter Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Ultrasonic Flow Meter Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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