G series quality flow sensor
The G series flow meter consists of the G series mass flow sensor and the IPT100 transmitter, featuring a Coriolis mass flow meter with an accuracy level of 0.5. Features of the G series flow meter: 1. The dual V-shaped flow tube design improves the working frequency, reduces the impact of external vibrations in the low-frequency range, and minimizes the installation size. 2. A variety of wetted materials: C-22, 316L, suitable for use in corrosive media applications. 3. Higher pressure rating, with a high pressure level of 10MPa.
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Classification:
Rosemount flow meter
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Detailed introduction

Product Name: G Series Mass Flow Sensor
Product Model: G15, G25, G50, G80
Here are the key features of the Micro Motion™ G-Series Mass Flow Sensors (models G15, G25, G50, G80) that make them stand out in compact, high-precision applications:
🌟 Core Performance
Direct mass flow, density, and temperature measurement using Coriolis technology.
High accuracy and wide turndown ratio—ideal for both liquids and gases.
No moving parts, which means minimal maintenance and long-term reliability.
🧠 Smart Capabilities
Smart Meter Verification™ for real-time diagnostics without process interruption.
Advanced diagnostics to monitor sensor health and process conditions.
🧩 Design & Integration
Ultra-compact, lightweight dual-tube design—perfect for tight spaces or skid systems.
Self-draining and cleanable for hygienic or challenging environments.
Laser-etched tagging for durability in harsh conditions.
🔌 Connectivity & Compatibility
Works with a full range of Micro Motion transmitters (4200, 1600, 4700, 5700).
Supports HART, FOUNDATION Fieldbus, Modbus, and Ethernet protocols.
Options for Wi-Fi, Bluetooth®, and Power over Ethernet for flexible installation.
Here’s a parameter table summarizing key specifications for the Micro Motion™ G-Series Mass Flow Sensors—models G15, G25, G50, and G80:
| Parameter | G15 | G25 | G50 | G80 |
|---|---|---|---|---|
| Nominal Line Size | 1/4 in (DN6) | 1/2 in (DN15) | 1 in (DN25) | 2 in (DN50) |
| Flow Range (kg/h) | 0–1,100 | 0–4,500 | 0–20,000 | 0–80,000 |
| Accuracy (Mass Flow) | ±0.10% of rate | ±0.10% of rate | ±0.10% of rate | ±0.10% of rate |
| Density Accuracy | ±0.0005 g/cm³ | ±0.0005 g/cm³ | ±0.0005 g/cm³ | ±0.0005 g/cm³ |
| Temperature Range | –200 to +204 °C (–328 to +400 °F) | –200 to +204 °C | –200 to +204 °C | –200 to +204 °C |
| Pressure Rating | Up to 1379 bar (20,000 psi) | Up to 1034 bar (15,000 psi) | Up to 689 bar (10,000 psi) | Up to 414 bar (6,000 psi) |
| Wetted Materials | 316L Stainless Steel, Hastelloy® | Same as G15 | Same as G15 | Same as G15 |
| Certifications | SIL2/3, ATEX, IECEx, CSA, etc. | Same as G15 | Same as G15 | Same as G15 |
📌 Frequently Asked Questions – G-Series Mass Flow Sensors
Q1: What type of measurement does the G-Series provide?
A: It delivers direct mass flow, density, and temperature measurements using Coriolis technology—no need for external sensors or calculations.
Q2: What makes the G-Series suitable for compact installations?
A: Its ultra-compact dual-tube design allows for easy integration into tight spaces, skids, or retrofits without sacrificing performance.
Q3: Can the G-Series handle both liquids and gases?
A: Yes, it’s engineered for high accuracy across a wide range of fluids, including challenging gas and liquid applications.
Q4: What diagnostic features are included?
A: It supports Smart Meter Verification™, which enables real-time health checks and performance diagnostics without interrupting the process.
Q5: What communication protocols are supported?
A: The G-Series works with HART, FOUNDATION Fieldbus, Modbus, and Ethernet, and offers options like Wi-Fi, Bluetooth®, and Power over Ethernet for modern connectivity.
Q6: Is the sensor certified for safety-critical applications?
A: Absolutely. It meets SIL2/3 safety standards and holds certifications like ATEX, IECEx, CSA, and more for global compliance.
Q7: What materials are used for wetted parts?
A: Standard options include 316L stainless steel and Hastelloy®, ensuring durability in corrosive or hygienic environments.
Q8: How does it perform in extreme conditions?
A: It operates reliably from –200 to +204 °C and can withstand pressures up to 1379 bar (20,000 psi) depending on the model.
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