E&H 8H3B Coriolis Mass flowmeter

In the demanding world of chemical processing and corrosive fluid handling, instrument selection directly impacts both safety and operational continuity. The E&H 8H3B Coriolis mass flowmeter, part of the Promass H 300 series, is specifically engineered to withstand aggressive chemical environments while delivering laboratory-grade precision . Featuring a single-tube design crafted from high-performance materials such as Tantalum and Zirconium, this instrument ensures maximum resistance to corrosion without compromising measurement integrity . As a specialized supplier, ST-YUKE CO., LIMITED is pleased to offer this robust solution to clients requiring reliable mass flow measurement for the most challenging chemical applications.

Product Series Overview: The Promass H 300 Family

The Promass H 300 series is distinguished by its focus on chemical corrosion resistance, making it the preferred choice for applications involving acids, alkalis, and other aggressive media . The portfolio is structured by nominal diameter to accommodate diverse flow requirements across chemical processing industries:

8H3B08 (DN 8 / 3/8″) – Ideal for low-flow chemical dosing and additive injection

8H3B15 (DN 15 / 1/2″) – Compact solution for pilot plants and small-bore chemical lines

8H3B25 (DN 25 / 1″) – Versatile mid-range capacity for general chemical process lines

8H3B40 (DN 40 / 1½”) – Enhanced capacity for main chemical feed streams

8H3B50 (DN 50 / 2″) – High-capacity version for bulk chemical transfer and reactor feeds

Key Technical Specifications

The 8H3B Coriolis mass flowmeter delivers exceptional performance metrics while maintaining the highest standards of chemical compatibility.

Performance Data

Mass Flow Accuracy (Liquid): ±0.10% for standard applications

Volume Flow Accuracy (Liquid): ±0.10%

Mass Flow Accuracy (Gas, Tantalum version only): ±0.50%

Density Accuracy (Liquid): ±0.0005 g/cm³

Measuring Range: 0 to 70,000 kg/h (0 to 2,570 lb/min)

Operating Conditions

Medium Temperature Range (Tantalum): –50 to +150°C (–58 to +302°F)

Medium Temperature Range (Zirconium): –50 to +205°C (–58 to +401°F)

Maximum Process Pressure: PN 40, Class 300, 20K

Ambient Temperature Range: Standard –40 to +60°C; Optional –50 to +60°C

Ingress Protection: Sensor IP66/67, Type 4X enclosure; IP69 optional

Wetted Materials

Measuring Tube: Tantalum 2.5W; Zirconium 702 (UNS R60702)

Process Connections: Tantalum; Zirconium 702 (UNS R60702)

Sensor Housing: 1.4301 (304), corrosion-resistant stainless steel

Communication and Outputs

The Promass H 300 transmitter features a compact dual-compartment housing supporting up to 3 I/Os :

Outputs: 4-20 mA HART (active/passive), 4-20 mA Wireless HART, pulse/frequency/switch output (active/passive), double pulse output (active/passive), relay output

Inputs: Status input, 4-20 mA input

Digital Communication: HART, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, PROFINET, Ethernet/IP, OPC-UA

Power Supply: DC 24 V; AC 100 to 230 V; AC 100 to 230 V / DC 24 V

Core Technology: Engineered for Chemical Resistance

What truly distinguishes the E&H 8H3B Coriolis mass flowmeter is its uncompromising approach to corrosion resistance. The instrument features a straight, single-tube design with no internal welds or crevices, eliminating potential weak points where corrosive attack could initiate .

Premium Materials for Aggressive Media

The 8H3B series offers two primary material options tailored to specific chemical environments :

Tantalum Version: Ideal for highly aggressive acids including hydrochloric acid, sulfuric acid, and nitric acid at elevated temperatures. Tantalum’s exceptional corrosion resistance makes it the material of choice for the most demanding chemical duties.

Zirconium Version: Excellently suited for applications involving strong alkalis and certain acid mixtures, providing reliable performance in environments where even stainless steel would fail.

Heartbeat Technology

Like all modern Promass instruments, the 8H3B incorporates Heartbeat Technology for proactive process management :

Continuous self-diagnosis without process interruption

In-situ verification traceable to ISO 9001 requirements

Meter verification on demand, eliminating costly manual checks and supporting regulatory compliance

Additional Benefits

Multivariable Measurement: Simultaneous measurement of mass flow, density, temperature, volume flow, corrected volume flow, reference density, and concentration

Space-Saving Installation: No inlet or outlet run requirements, simplifying piping design

User-Friendly Interface: Backlit display with touch control and WLAN access for convenient configuration

Detailed Ordering Code Breakdown: 8H3B25-AAIBAAAAAADAAAWAA2

To illustrate the extensive customization available, ST-YUKE CO., LIMITED provides a detailed解析 of the order code for the 8H3B25 model. Understanding these features is crucial when specifying a flowmeter for critical chemical applications requiring specific approvals and configurations.

Base Model: 8H3B25

8H3B: Coriolis flowmeter, Promass H 300 series

25: Nominal diameter DN25 (1″)

Breakdown of the Feature String: AAIBAAAAAADAAAWAA2

Based on standard Endress+Hauser product structuring logic, we can interpret this configuration as follows:

AA (Approval – Sensor): Non-hazardous area / Standard version without Ex approval

I (Output – Transmitter): Output configuration – likely 4-20 mA HART with terminal strip version

B (Display – Transmitter): Backlit display with touch control (from external operation) -1

A (Housing – Sensor): Sensor housing material – 1.4301 (304) stainless steel, corrosion-resistant

A (Process Connection – Type): Standard flange type (to be defined by subsequent codes)

A (Process Connection – Size): DN25 (1″) flanges, matching the 8H3B25 base selection

A (Measuring Tube – Material): Standard material – likely Tantalum 2.5W

A (Internal Surface Finish): Standard finish, not polished

A (Sensor – Advanced Features): Standard version without special options

A (Calibration – Flow): Standard calibration (0.10% accuracy)

D (Calibration – Density): Density calibration option (specific range)

A (Sensor – Inspection): Without special inspection

A (Medium Contact – Wetted Seals): Standard seal material

W (Process Connection – Detail): Flange type specification (e.g., EN (DIN) PN40)

A (Connection Type – Size): Confirms DN25 (1″) flange size

A (Surface – Roughness): Standard surface finish

2 (Additional Test – Certificate): Declaration of conformity to EN10204-3.1 material certificate

Note: While this is a representative breakdown based on standard E+H product logic, actual configurations should always be verified with the official Endress+Hauser configuration tools. ST-YUKE CO., LIMITED can assist in validating these codes against your specific P&ID and functional requirements.

Application Versatility

The 8H3B Coriolis mass flowmeter excels in numerous challenging corrosive applications:

Chemical Processing

The 8H3B08, 8H3B15, and 8H3B25 models are widely deployed in chemical manufacturing for precise measurement of aggressive acids, bases, and solvents where material compatibility is paramount. The tantalum version provides reliable service in hydrochloric acid production and handling.

Pharmaceutical Intermediates

In pharmaceutical synthesis, where aggressive reagents are often employed, the 8H3B40 and 8H3B50 models deliver the corrosion resistance and cleanability required for critical processes.

Fine Chemical Production

The straight-tube design of the 8H3B Coriolis mass flowmeter ensures self-draining capability, making the 8H3B15 and 8H3B25 ideal for batch processes involving frequent product changeovers.

Fertilizer Manufacturing

With zirconium options available, the 8H3B series handles phosphoric acid and other aggressive fertilizer intermediates with exceptional reliability .

Why Choose ST-YUKE CO., LIMITED as Your Supplier?

Selecting the right instrumentation for corrosive applications requires deep metallurgical knowledge and reliable sourcing. At ST-YUKE CO., LIMITED, we specialize in supplying high-precision instruments like the entire 8H3B series. Whether you require the compact 8H3B08 for low-flow chemical dosing or the high-capacity 8H3B50 for main process lines, we ensure that every device meets stringent quality and certification standards.

Our team possesses extensive experience with Endress+Hauser instrumentation and can help you navigate complex order codes—such as the 8H3B40-** variant for your specific needs. We provide:

Genuine Products: 100% original Endress+Hauser instrumentation with full warranty

Technical Expertise: Professional guidance on material selection for specific chemical environments

Competitive Pricing: Direct sourcing ensuring cost-effective solutions

Reliable Logistics: Worldwide shipping to support your project timelines

After-Sales Support: Dedicated assistance throughout the product lifecycle