超声波气体流量计
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
E+H Product Model Configuration Tool
Please enter the product model to configure
Product comparison
Please enter the product models to compare in the fields below; up to three products can be compared
Technical documentation
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Source: Endress+Hauserpublic information from the website
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 |
Case Studies
市政污水处理污水处理厂 · 超声波流量计应用案例
项目背景
市政污水处理客户在污水处理厂环节，长期面临「出水水质监测精度不足、仪表易受污染导致数据漂移，影响达标排放」的困扰，对超声波流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的超声波流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应市政污水处理复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
食品饮料食品生产线 · 超声波流量计应用案例
项目背景
食品饮料客户在食品生产线环节，长期面临「卫生级测量要求高，在线仪表需耐 CIP/SIP 清洗且精度稳定」的困扰，对超声波流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的超声波流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应食品饮料复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
化工制药反应釜与储罐 · 超声波流量计应用案例
项目背景
化工制药客户在反应釜与储罐环节，长期面临「介质腐蚀性强、工况复杂，仪表需耐腐蚀且防爆」的困扰，对超声波流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的超声波流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应化工制药复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
电力能源电厂锅炉与汽机 · 超声波流量计应用案例
项目背景
电力能源客户在电厂锅炉与汽机环节，长期面临「高温高压工况下测量不稳定，维护停机成本高」的困扰，对超声波流量计的稳定性与测量精度提出了更高要求。
解决方案
阿仪科技技术团队结合现场工况，为客户选配了适配的超声波流量计，并完成选型、安装、调试与整定的一站式交付。
实施效果
- 测量精度与响应速度显著提升，数据稳定可靠；
- 仪表适应电力能源复杂工况，维护量大幅降低；
- 助力客户实现连续在线监测与降本增效，获得客户高度认可。
