Endress+hauser A 500 Proline Promass Coriolis flowmeter
- Flow Measurement: Lowest flow rates accuracy
- Design: Remote transmitter version
- Connectivity: Up to 4 I/Os
- Verification: Heartbeat Technology integrated
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Description
Endress+Hauser Promass A 500: Flexible Remote Flowmeter
Precise Control in Demanding Applications
The Endress+Hauser Promass A 500 is engineered for continuous process control in highly demanding applications across all industries. Its unique self-drainable single-tube system guarantees accurate measurement of liquids and gases, even at the lowest flow rates and under high-pressure conditions. This reliable performance is underpinned by a measuring principle that remains independent of physical fluid properties like viscosity or density.
Ideal for Smallest Quantities Measurement
This Coriolis flowmeter excels in applications involving the smallest flow quantities. Whether in fine chemical production, pharmaceutical batching, or complex laboratory setups, the Promass A 500 provides the precision needed for critical processes. Its ability to measure minuscule amounts ensures consistent quality and adherence to stringent process parameters, making it an indispensable tool.
Space-Saving Sensor, Maximum Installation Flexibility
The Promass A 500 features a compact, lightweight sensor designed for space-saving installations. Its innovative remote transmitter design maximizes installation flexibility and enhances operational safety, especially in challenging environments. The standard cable connection between the sensor and transmitter allows for greater freedom in placement, adapting to virtually any plant layout.
Highest Product Quality and Tube Integrity
With its self-drainable measuring tube, the Promass A 500 ensures the highest product quality and operational integrity. This design prevents residual fluid build-up, which is crucial for maintaining measurement accuracy and preventing contamination, particularly in sanitary or high-purity applications. The robust wetted materials, including stainless steel and Alloy C22, further ensure longevity.
Optimum Safety, Resistant to Harsh Conditions
The Promass A 500 offers optimum process safety, being highly resistant to corrosive ambient conditions and internal clogging. This resilience is vital for ensuring reliable operation in aggressive chemical processing environments. The transmitter’s robust housing and high degree of protection (IP66/67) protect sensitive electronics, ensuring consistent performance and data integrity.
Enhanced Diagnostics and Remote Operation
The transmitter, equipped with a backlit display and touch control, provides convenient operation and full access to process and diagnostic information. With up to 4 freely combinable I/Os and support for various fieldbuses and Ethernet, the Promass A 500 offers exceptional connectivity. This facilitates reduced complexity and variety in system integration and data management.
Specifications
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Measuring principle
Coriolis
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Product headline
Accurate single-tube flowmeter for lowest flow rates, as remote version with up to 4 I/Os.
Suitable for applications with smallest flow quantities in all industries. -
Sensor features
Space-saving installation – compact, lightweight sensor. Highest product quality – self-drainable measuring tube design in all line sizes. Optimum process safety – resistant to corrosive ambient conditions and internal clogging.
Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈”). Process pressure up to 430.9 bar (6250 psi). 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.
Remote version with up to 4 I/Os. Backlit display with touch control and WLAN access. Standard cable between sensor and transmitter. -
Nominal diameter range
DN 1 to 4 (¹⁄₂₄ to ¹⁄₈”)
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Wetted materials
Measuring tube: stainless steel, 1.4435 (316/316L); Alloy C22
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Measured variables
Mass flow, density, temperature, volume flow, corrected volume flow, reference density
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Max. measurement error
Mass flow (liquid): ±0.1 %
Volume flow (liquid): ±0.1 %
Mass flow (gas): ±0.35 % Density (liquid): ±0.0005 g/cm³ -
Measuring range
0 to 450 kg/h (0 to 16.54 lb/min)
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Max. process pressure
430.9 bar (6250 psi)
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Medium temperature range
-50 to 205 °C (-58 to 401 °F)
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Ambient temperature range
-40 to 60 °C (-40 to +140 °F)
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Sensor housing material
Stainless steel, 1.4404 (316L)
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Transmitter housing material
AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; Polycarbonat
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Degree of protection
Sensor remote version (standard): IP66/67, type 4X enclosure
Sensor remote version (option): IP69.
Transmitter remote version: IP66/67, Type 4X enclosure -
Display/Operation
4-line backlit display with touch control (operation from outside)
Configuration via local display and operating tools possible -
Outputs
4 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, 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, INMETRO, NEPSI
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Product safety
CE, C-TICK
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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
CRN
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Material certificates
3.1 material
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Hygienic approvals and certificates
3-A, cGMP







