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 compact transmitter Promass A 300 offers high flexibility in terms of operation and system integration: access from one side, remote display, improved connectivity options. 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)
Compact dual-compartment housing with up to 3 I/Os
Backlit display with touch control and WLAN access
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
Videos
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Accurate single-tube flowmeter for lowest flow rates with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available.
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
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, UK Ex
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
Measuring principle
Coriolis
Product headline
Accurate single-tube flowmeter for lowest flow rates with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available.
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
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, UK Ex
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
Measuring principle
Coriolis
Product headline
Accurate single-tube flowmeter for lowest flow rates with a compact, easily accessible transmitter. 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. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available.
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
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, UK Ex
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)
WirelessHART and/or Bluetooth® communication interface, Operating frequency: 2.4 GHz (ISM band), Transmission range under reference conditions: WirelessHART communication - up to 200 m (656 ft), Bluetooth communication - up to 40 m (131 ft)
WirelessHART and/or Bluetooth® communication interface, Operating frequency: 2.4 GHz (ISM band), Transmission range under reference conditions: WirelessHART communication - up to 200 m (656 ft), Bluetooth communication - up to 40 m (131 ft)