Proline Promass A 500 Coriolis Flowmeter
Brand: Endress+HauserProline Promass A 500 Coriolis Flowmeter
Brand: Endress+Hauser

The compact Promass A is ideal for continuous process control in very demanding applications. Its unique self-drainable single-tube system enables accurate measurement of liquids and gases at lowest flow rates and high pressure. With its innovative remote transmitter Promass A 500 maximizes installation flexibility and operational safety in demanding environments. Heartbeat Technology enables measurement reliability and compliant verification.
- Measuring principle operates independently of physical fluid properties such as viscosity or density
- Suitable for applications with smallest flow quantities in all industries
Device properties
- 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)
- Remote version with up to 4 I/Os
- Backlit display with touch control and WLAN access
- Standard cable between sensor and transmitter
- Space-saving installation – compact, lightweight sensor
- Highest product quality – self-drainable measuring tube in all line sizes
- Optimum process safety – resistant to corrosive ambient conditions and internal clogging
- Full access to process and diagnostic information – numerous, freely combinable I/Os and Ethernet
- Reduced complexity and variety – freely configurable I/O functionality
- Integrated verification – Heartbeat Technology
Specifications
Brand
Measuring Principle
- Coriolis
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")
Wetted Materials
- Measuring tube: stainless steel, 1.4435 (316/316L); Alloy C22
Measured Variables
- Mass flow, density, temperature, volume flow, corrected volume flow, reference density
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)
Max. Process Pressure
- 430.9 bar (6250 psi)
Medium Temperature Range
- -50 to 205 °C (-58 to 401 °F)
Ambient Temperature
- -40 to 60 °C (-40 to +140 °F)
Sensor Housing Material
- Stainless steel, 1.4404 (316L)
Transmitter Housing Material
- AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; Polycarbonat
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
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
Product Safety
- CE, C-TICK
Functional Safety
- Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
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
Material Certificates
- 3.1 material
Hygienic Approvals and Certificates
- 3-A, cGMP