Endress+hauser H 300 Proline Promass Coriolis flowmeter
- Corrosion-resistant Tantalum/Zirconium
- Medium temp up to +205 °C
- Compact, dual-compartment housing
- Integrated Heartbeat Technology
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Description
Promass H 300: Corrosion Resistance Champion
The Endress+Hauser Promass H 300 emerges as a leading flowmeter engineered for unparalleled corrosion resistance, making it the optimal choice for applications that involve highly aggressive chemical media. Its robust single-tube design, constructed with materials like Tantalum and Zirconium, ensures exceptional durability and safety in demanding environments where standard instruments would rapidly degrade. This focus on material integrity guarantees reliable performance and minimizes the risk of leaks or failures, crucial for maintaining operational continuity and safety standards. What further distinguishes the Promass H 300 is its integration with an ultra-compact transmitter. This design innovation allows for full measurement capability and accessibility within the smallest possible footprint, addressing the critical need for space-saving solutions in modern industrial installations. System integrators, skid builders, and OEMs, who frequently operate under space constraints, find the Promass H 300 to be an indispensable component for developing efficient and compact process systems without compromising on accuracy or performance.
Coriolis Principle: Unaffected by Fluid Properties
At the core of the Promass H 300’s exceptional performance is the highly reliable Coriolis measuring principle. This advanced technology offers a significant advantage by operating independently of the fluid’s physical properties, such as viscosity, density, or flow profile. This fundamental characteristic means the Promass H 300 consistently delivers accurate mass flow, density, and temperature measurements for both liquids and gases, regardless of variations in the media’s inherent properties. This independence is particularly critical when dealing with corrosive chemicals, whose properties can fluctuate due to temperature, concentration, or pressure changes. The Coriolis principle ensures that the device maintains its high accuracy without requiring complex compensation algorithms, thus simplifying installation, reducing potential error sources, and enhancing overall process reliability. Whether measuring the flow of aggressive acids, volatile solvents, or specialty chemicals, the Promass H 300 provides precise and trustworthy data, making it an invaluable tool for critical applications where exact measurements are paramount for product quality, process control, and operational safety.
Device Properties: Resilient and Compact Powerhouse
The Endress+Hauser Promass H 300 is meticulously designed with device properties that ensure maximum resilience and operational efficiency, particularly in the face of highly corrosive media. Its measuring tube and process connections are fabricated from premium, corrosion-resistant materials such as Tantalum and Zirconium, renowned for their exceptional chemical inertness. This ensures longevity and reliability even when exposed to aggressive acids, alkalis, and oxidizing agents. The nominal diameter range spans from DN 8 to 50 (3/8 to 2 inches), offering flexibility for a variety of installation sizes and flow rates. The device can reliably operate with medium temperatures reaching up to +205 °C (+401 °F) when utilizing Zirconium, and up to +150 °C (+302 °F) with Tantalum, covering a broad spectrum of process thermal conditions. Complementing the robust sensor is an ultra-compact, dual-compartment transmitter housing. This design not only provides superior protection for sensitive electronics against harsh environmental factors like corrosive vapors but also offers convenient access for wiring and maintenance. The housing achieves a high degree of ingress protection, typically rated at IP66/67 and optionally IP69, safeguarding against dust and high-pressure water jets. A local, backlit LCD display with touch control is also available for user-friendly on-site monitoring and configuration.
Benefits: Safety, Space, and Smart Operation
The Endress+Hauser Promass H 300 delivers a compelling suite of benefits designed to significantly enhance safety, optimize space utilization, and improve operational efficiency in challenging chemical processes. Maximum safety is a paramount advantage, stemming from its construction with highly corrosion-resistant wetted parts like Tantalum or Zirconium. This prevents material degradation and potential leaks when handling aggressive chemicals, thereby ensuring a safer working environment. The device’s multivariable measurement capability, simultaneously capturing mass flow, density, and temperature, reduces the need for multiple sensors and process connections, leading to simplified system design, lower installation costs, and fewer potential leak paths. A key benefit is its space-saving installation design, which eliminates the requirement for upstream or downstream straight pipe runs, allowing for implementation in very confined spaces. The ultra-compact transmitter further contributes to space efficiency, packing full functionality into the smallest possible footprint. Operational efficiency is enhanced through an integrated web server, enabling time-saving local operation without additional software, and robust Heartbeat Technology for integrated verification and diagnostics, ensuring ongoing measurement integrity and facilitating predictive maintenance.
Specialized Applications: Chemical Industry Focus
The Endress+Hauser Promass H 300 excels in a diverse array of specialized applications where precision and resistance to corrosive media are paramount. Within the chemical industry, its robust construction makes it the instrument of choice for accurately measuring the flow of aggressive chemicals such as concentrated sulfuric acid, hydrochloric acid, sodium hydroxide, and various organic solvents used in diverse production processes. It is ideal for applications requiring precise dosing of specialty chemicals and intermediates, ensuring product quality and process control. In the petrochemical sector, it reliably measures corrosive process streams and catalysts found in refining and chemical synthesis operations. For batch control and precise dosing in fine chemical and pharmaceutical manufacturing, where many reagents are corrosive, the Promass H 300 guarantees accuracy and repeatability. It also finds application in wastewater treatment for the accurate metering of corrosive chemicals used in disinfection and pH adjustment. Furthermore, in research and development, it provides a safe and reliable means to measure the flow of new or experimental compounds with potentially unknown corrosivity. Its ability to measure density simultaneously with mass flow also aids in concentration control and interfacial detection in mixed corrosive liquid phases, making it a versatile tool for complex chemical operations.
Transmitter Features: Compact Powerhouse for Data
The transmitter component of the Endress+Hauser Promass H 300 is engineered as an ultra-compact and intelligent powerhouse, designed for maximum functionality and ease of use in demanding industrial settings. Its compact dual-compartment housing is a significant design feature, safeguarding the sensitive electronics from harsh process conditions and environmental factors, while also providing straightforward access for wiring and maintenance. A key innovation is the integrated web server, which allows for seamless, time-saving local operation using a standard web browser. This eliminates the need for specialized software or additional hardware for configuration, monitoring, and diagnostics, significantly streamlining commissioning and service tasks. The transmitter also features up to three freely configurable I/Os, offering versatile connectivity options for integration into various control systems. These outputs can be programmed for analog signals (e.g., 4-20 mA HART) representing mass flow, density, or temperature, or configured as digital outputs for status or pulse functions. The backlit LCD display, coupled with intuitive touch controls, ensures excellent readability and ease of operation, even in poorly lit environments. The incorporation of Heartbeat Technology provides advanced diagnostic capabilities for continuous self-monitoring and verification of device health and measurement accuracy.
Global Approvals: Ensuring Safety and Compliance Worldwide
The Endress+Hauser Promass H 300 is equipped with a comprehensive suite of global approvals and certifications, affirming its adherence to the highest international standards for safety, quality, and performance. For operation in potentially hazardous environments, it holds critical hazardous area approvals such as ATEX, IECEx, cCSAus, INMETRO, NEPSI, and EAC, ensuring its safe deployment across diverse global markets. Product safety is further underscored by CE, C-tick, and EAC markings, signifying compliance with essential EU, Australian, and Eurasian directives for health, safety, and environmental protection. The accuracy and reliability of the instrument are backed by calibrations performed at accredited facilities in accordance with ISO/IEC 17025, ensuring traceability to national and international standards. Additionally, the integrated Heartbeat Technology’s compliance with ISO 9001:2015 – Section 7.1.5.2 a, as attested by TÜV SÜD, provides assurance for measurement traceability and diagnostic integrity. Essential pressure approvals, including PED for European markets and CRN for Canada, confirm its suitability for use in pressurized systems according to relevant directives. The availability of 3.1 material certificates further guarantees the quality and traceability of the wetted components, crucial for critical chemical applications.
Specifications
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Measuring principle
Coriolis
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Product headline
Chemically resistant single-tube flowmeter with a compact, easily accessible transmitter.
Highly accurate measurement of liquids and gases in applications requiring highest corrosion resistance. -
Sensor features
Maximum safety for chemically aggressive fluids – corrosion‐resistant wetted parts. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs.
Measuring tube made of Tantalum, Zirconium. Nominal diameter: DN 8 to 50 (³⁄₈ to 2″). Medium temperature up to +205 °C (+401 °F). -
Transmitter features
Full access to process and diagnostic information – numerous, freely combinable I/Os and fieldbuses. 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 8 to 50 (³⁄₈ to 2″)
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Wetted materials
Measuring tube: Tantalum 2.5W; 702 (UNS R60702)
Connection: Tantalum; 702 (UNS R60702) -
Measured variables
Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration
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Max. measurement error
Mass flow (liquid): ±0.10 %
Volume flow (liquid): ±0.10 %
Mass flow (gas, Tantalum only): ±0.50 %
Density (liquid): ±0.0005 g/cm³ -
Measuring range
0 to 70 000 kg/h (0 to 2570 lb/min)
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Max. process pressure
PN 40, Class 300, 20K
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Medium temperature range
Tantalum: –50 to +150 °C (–58 to +302 °F)
Zirconium: –50 to +205 °C (–58 to +401 °F) -
Ambient temperature range
Standard: –40 to +60 °C (–40 to +140 °F)
Option: –50 to +60 °C (–58 to +140 °F) -
Sensor housing material
1.4301 (304), corrosion resistant
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Transmitter housing material
AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L
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Degree of protection
IP66/67, type 4X enclosure
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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 WirelessHART
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, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, PROFINET, PROFINET over Ethernet-APL, Ethernet/IP, OPC-UA
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Power supply
DC 24 V
AC 100 to 230 V
AC 100 to 230 V / DC 24 V (non-hazardous area) -
Hazardous area approvals
ATEX, IECEx, cCSAus, NEPSI, INMETRO, EAC, UK Ex, KC
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Product safety
CE, C-tick, EAC marking
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Functional safety
Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
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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 (TÜV SÜD attestation) -
Pressure approvals and certificates
PED, CRN
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Material certificates
3.1 material










