E&H 8E1C Coriolis mass flowmeter

E&H 8E1C Coriolis mass flowmeter

In the world of industrial process instrumentation, precision and reliability are non-negotiable. The E&H 8E1C Coriolis mass flowmeter represents a pinnacle of engineering, designed to deliver simultaneous measurement of mass flow, density, and temperature in a remarkably compact form factor. As a trusted distributor with over two decades of experience, ST-YUKE CO., LIMITED is proud to offer this advanced solution, backed by professional technical support and customized product selection services to match your exact process parameters.

This article provides a deep dive into the technical specifications, performance capabilities, and unique advantages of the Endress+Hauser 8E1C, serving as a comprehensive guide for engineers and procurement professionals.

Product Overview: The Promass E Series

The E&H 8E1C is part of the renowned Promass E series, specifically the “8E1C” variant which denotes a compact, ultra-compact sensor version. It is engineered for applications where space is at a premium but accuracy cannot be compromised. Utilizing the Coriolis measuring principle, it offers a direct, high-precision method for fluid characterization, independent of the fluid’s physical properties like viscosity or density.

Key Applications:

Chemical and petrochemical industries

Oil and gas (measurement and monitoring)

Food and beverage (where hygienic options are required)

Pharmaceuticals

General industrial liquids and gases

Detailed Technical Specifications

To ensure you have the right instrument for your process, here are the critical technical parameters for the E&H 8E1C Coriolis mass flowmeter.

1. Measuring Principle & General Characteristics

Principle: Coriolis

Product Family: Proline Promass E

Sensor Version: 8E1C (Compact, ultra-compact design)

Transmitter: Typically paired with Promass E transmitters (available in various communication protocols)

Primary Measured Variables: Mass flow, Density, Temperature

Secondary Calculated Variables: Volume flow, Corrected volume flow, Solids content, Concentration

2. Performance Accuracy

The 8E1C is renowned for its exceptional accuracy, making it suitable for fiscal measurements and critical process control.

Mass Flow (Liquids):

Accuracy: ±0.5% of rate (Standard), Optional ±0.2% of rate

Repeatability: ±0.25% of rate

Mass Flow (Gases):

Accuracy: ±1.0% of rate

Repeatability: ±0.5% of rate

Density (Liquids):

Accuracy: ±0.02 g/cm³ (Standard), ±0.01 g/cm³ (Optional)

Repeatability: ±0.0005 g/cm³

Temperature:

Accuracy: ±1 °C ± 0.5% of rate

Repeatability: ±0.25 °C

3. Operating Conditions & Ranges

Fluid Temperature Range: –40 to +130 °C (–40 to +266 °F)

Ambient Temperature Range: –40 to +60 °C (–40 to +140 °F)

Nominal Diameter Range: Available in DN 8 to DN 50 (3/8″ to 2″)

Measuring Tube Material: Stainless Steel (1.4539/904L)

Maximum Measuring Range: Liquids: 0 to 70,000 kg/h (depending on nominal diameter)

Pressure Rating: Up to PN 100, Cl. 600 (depending on process connection)

4. Mechanical Construction & Materials

Sensor Housing: Durable, corrosion-resistant compact aluminum or stainless steel.

Process Connections: Versatile options to fit global standards.

Flanges (DIN, ASME, JIS)

Threaded connections

Hygienic fittings (DIN 11851, Triclamp, etc.)

Ingress Protection: Standard IP67 (NEMA 4X) for robust outdoor and wash-down applications.

5. Electrical Connectivity & Communication

The transmitter supports a wide range of industrial communication protocols to ensure seamless integration into your existing control architecture.

Communication Protocols: 4-20 mA HART, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, EtherNet/IP.

Inputs/Outputs: Configurable for current, pulse/frequency, or switch output.

Power Supply: Wide-range AC or DC power supply options.

Why Choose the E&H 8E1C for Your Facility?

Compact Design: The “C” variant is designed for tight installations without sacrificing performance, ideal for skid-mounted systems and crowded panels.

Multi-Variable Measurement: One device replaces multiple instruments (flowmeter, densitometer, thermometer), reducing installation complexity and cost.

Low Maintenance: With no moving parts, the Coriolis principle requires minimal maintenance, leading to higher uptime.

Durability: The robust construction and IP67 rating ensure reliable operation even in harsh industrial environments.

Your Trusted Partner: ST-YUKE CO., LIMITED

Supplying high-quality industrial automation components is our core mission. With over 20 years of experience in the industry, ST-YUKE CO., LIMITED has built a reputation for authenticity, reliability, and deep technical knowledge.

When you purchase the E&H 8E1C Coriolis mass flowmeter from us, you are not just buying a product; you are leveraging decades of application expertise. Our team understands that correct instrumentation is critical for your process efficiency and safety. Therefore, we offer a professional product selection service.

We can assist you in:Interpreting your process datasheets (P&IDs).

Selecting the correct material, size, and seal combination for your specific fluid.

Identifying the right communication protocol for your DCS/PLC system.

Providing detailed technical documentation and post-sale support.

Complete Model Number Structure Analysis (8E1C-xxxxxxxxxxx)

A typical complete E&H 8E1C model number looks like this:
8E1C15-XXXX/XX
(Note: 15 represents the diameter, subsequent codes vary based on configuration)

1. Core Model: 8E1C

This designates the sensor as Promass E 100 series, ultra-compact transmitter.

2. Second Group: Nominal Diameter (Size)

These are the two digits immediately following 8E1C, determining the size of the flowmeter.

8E1C08: DN 8 (3/8″)

8E1C15: DN 15 (1/2″)

8E1C25: DN 25 (1″)

8E1C40: DN 40 (1 1/2″)

8E1C50: DN 50 (2″)

3. Third Group: Sensor Options (Material & Accuracy)

A: Stainless steel, 0.5% accuracy, basic version

B: Stainless steel, 0.2% accuracy, high accuracy version

H: Special material / hygienic option

4. Fourth Group: Process Connection

This is one of the most complex parts of the selection process, with numerous codes. For example:

Flange Connections (DIN/ASME/JIS)

A1: Flange DN15, DIN, PN40

F2: Flange 1/2″, ASME Cl.150

G4: Flange 1″, ASME Cl.300

Hygienic Connections

KB: Triclamp connection

KD: DIN 11851 threaded connection

KS: SMS connection

Threaded Connections

MA: Thread NPT 1/2″

MB: Thread ISO G 1/2″

5. Fifth Group: Nominal Pressure / Temperature Rating

A: PN 40

B: PN 100

C: Cl.150

D: Cl.300

E: Cl.600

6. Sixth Group: Transmitter Housing and Electronics

A: Coated aluminum, IP67, display module with push buttons

B: Coated aluminum, IP67, display module with touch control

C: Stainless steel, IP67, display module with push buttons

X: No display module (blind version)

7. Seventh Group: Explosion Protection Approval

NA: Non-hazardous area

2A: ATEX II 2G Ex ib IIC T6…T1

2B: ATEX II 2G Ex d IIC T6…T1

FD: FM Class I Div 1 (USA)

C1: CSA C/US Class I Div 1 (Canada)

NJ: NEPSI (China)

8. Eighth Group: Output and Power Supply

A: 4-20mA HART, 2-wire, 12-30V DC

B: 4-20mA HART, 4-wire, 85-260V AC

C: PROFIBUS PA

D: FOUNDATION Fieldbus

F: Modbus RS485

H: EtherNet/IP

9. Ninth Group: Additional Options (Software/Calibration)

A: Standard calibration

B: Special calibration (e.g., ISO 17025 certificate)

F: Special cleaning (oxygen/grease removal)

Example Model Interpretation

Assuming you see the model number: 8E1C15-A2A1A-A-NA-A-A

Breakdown:

8E1C15: Promass E 100, DN15

A: Sensor material stainless steel, 0.5% accuracy

2: Process connection (specific code for flange type)

A1: Flange standard DIN, PN40

A: Pressure rating PN40

A: Aluminum housing, IP67, with display and push buttons

NA: Non-explosion proof

A: 4-20mA HART output

A: Standard calibration