
Specs at a glance
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Max. measurement error
Mass flow (liquid): ±0.15 % (standard), ±0.10 % (option)
Volume flow (liquid): ±0.15 %
Mass flow (gas): ±0.50 %
Density (liquid): ±0.0005 g/cm³ -
Measuring range
0 to 180 000 kg/h (0 to 6615 lb/min)
-
Medium temperature range
–40 to +150 °C (–40 to +302 °F)
-
Max. process pressure
PN 100, Class 600, 63K
-
Wetted materials
Measuring tube: 1.4539 (904L)
Connection: 1.4404 (316/316L)
Field of application
The robust Promass E has a long-standing reputation as a reliable solution accurately measuring liquids and gases in a wide range of standard applications in various industries. With its compact transmitter Promass E 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 extension of recalibration cycles.
Measuring principle operates independently of physical fluid properties such as viscosity or density
Accurate measurement of liquids and gases for a wide range of standard applications
Device properties
Compact dual-tube sensor
Medium temperature up to +150 °C (+302 °F)
Process pressure up to 100 bar (1450 psi)
Compact dual-compartment housing with up to 3 I/Os
Backlit display with touch control and WLAN access
Remote display available
Benefits
Cost-effective – multipurpose device; an alternative to conventional volumetric flowmeters
Fewer process measuring points – multivariable measurement (flow, density, temperature)
Space-saving installation – no in-/outlet run needs
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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The Coriolis Flow Measuring Principle
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
-
Measuring principle
Coriolis
-
Product headline
Flowmeter with minimized total cost of ownership and a compact, easily accessible transmitter.
Accurate measurement of liquids and gases for a wide range of standard applications. -
Sensor features
Cost‐effective – multi‐purpose device; an alternative to conventional volumetric flowmeters. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs.
Compact dual-tube sensor. Medium temperature up to +150 °C (+302 °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.
Process pressure up to 100 bar (1450 psi). Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. -
Nominal diameter range
DN 8 to 80 (⅜ to 3")
-
Wetted materials
Measuring tube: 1.4539 (904L)
Connection: 1.4404 (316/316L) -
Measured variables
Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration
-
Max. measurement error
Mass flow (liquid): ±0.15 % (standard), ±0.10 % (option)
Volume flow (liquid): ±0.15 %
Mass flow (gas): ±0.50 %
Density (liquid): ±0.0005 g/cm³ -
Measuring range
0 to 180 000 kg/h (0 to 6615 lb/min)
-
Max. process pressure
PN 100, Class 600, 63K
-
Medium temperature range
–40 to +150 °C (–40 to +302 °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
-
Transmitter housing material
AlSi10Mg, coated; stainless steel for hygenic transmitter design
-
Degree of protection
Standard: IP66/67, Type 4X enclosure
IP69 -
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
-
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
-
Product safety
CE, C-tick, EAC marking
-
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) -
Marine approvals and certificates
LR approval, DNV approval, ABS approval, BV approval, CCS approval
-
Pressure approvals and certificates
PED, CRN
-
Material certificates
3.1 material
-
Hygienic approvals and certificates
3-A, EHEDG, cGMP
-
Measuring principle
Coriolis
-
Product headline
Flowmeter with minimized total cost of ownership and a compact, easily accessible transmitter.
Accurate measurement of liquids and gases for a wide range of standard applications. -
Sensor features
Cost‐effective – multi‐purpose device; an alternative to conventional volumetric flowmeters. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs.
Compact dual-tube sensor. Medium temperature up to +150 °C (+302 °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.
Process pressure up to 100 bar (1450 psi). Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. -
Nominal diameter range
DN 8 to 80 (⅜ to 3")
-
Wetted materials
Measuring tube: 1.4539 (904L)
Connection: 1.4404 (316/316L) -
Measured variables
Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration
-
Max. measurement error
Mass flow (liquid): ±0.15 % (standard), ±0.10 % (option)
Volume flow (liquid): ±0.15 %
Mass flow (gas): ±0.50 %
Density (liquid): ±0.0005 g/cm³ -
Measuring range
0 to 180 000 kg/h (0 to 6615 lb/min)
-
Max. process pressure
PN 100, Class 600, 63K
-
Medium temperature range
–40 to +150 °C (–40 to +302 °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
-
Transmitter housing material
AlSi10Mg, coated; stainless steel for hygenic transmitter design
-
Degree of protection
Standard: IP66/67, Type 4X enclosure
IP69 -
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
-
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
-
Product safety
CE, C-tick, EAC marking
-
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) -
Marine approvals and certificates
LR approval, DNV approval, ABS approval, BV approval, CCS approval
-
Pressure approvals and certificates
PED, CRN
-
Material certificates
3.1 material
-
Hygienic approvals and certificates
3-A, EHEDG, cGMP
-
Measuring principle
Coriolis
-
Product headline
Flowmeter with minimized total cost of ownership and a compact, easily accessible transmitter.
Accurate measurement of liquids and gases for a wide range of standard applications. -
Marine approvals and certificates
LR approval, DNV approval, ABS approval, BV approval
-
Measuring principle
Coriolis
-
Product Headline
Flowmeter with minimized total cost of ownership and a compact, easily accessible transmitter.
Accurate measurement of liquids and gases for a wide range of standard applications. -
Sensor features
Cost‐effective – multi‐purpose device; an alternative to conventional volumetric flowmeters. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs.
Compact dual-tube sensor. Medium temperature up to +150 °C (+302 °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.
Process pressure up to 100 bar (1450 psi). Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access.
-
Measuring principle
Coriolis
-
Product headline
Flowmeter with minimized total cost of ownership and a compact, easily accessible transmitter.
Accurate measurement of liquids and gases for a wide range of standard applications. -
Sensor features
Cost‐effective – multi‐purpose device; an alternative to conventional volumetric flowmeters. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs.
Compact dual-tube sensor. Medium temperature up to +150 °C (+302 °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.
Process pressure up to 100 bar (1450 psi). Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. -
Nominal diameter range
DN 8 to 80 (⅜ to 3")
-
Wetted materials
Measuring tube: 1.4539 (904L)
Connection: 1.4404 (316/316L) -
Measured variables
Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration
-
Max. measurement error
Mass flow (liquid): ±0.15 % (standard), ±0.10 % (option)
Volume flow (liquid): ±0.15 %
Mass flow (gas): ±0.50 %
Density (liquid): ±0.0005 g/cm³ -
Measuring range
0 to 180 000 kg/h (0 to 6615 lb/min)
-
Max. process pressure
PN 100, Class 600, 63K
-
Medium temperature range
–40 to +150 °C (–40 to +302 °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
-
Transmitter housing material
AlSi10Mg, coated; stainless steel for hygenic transmitter design
-
Degree of protection
Standard: IP66/67, Type 4X enclosure
IP69 -
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
-
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
-
Product safety
CE, C-tick, EAC marking
-
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) -
Marine approvals and certificates
LR approval, DNV approval, ABS approval, BV approval, CCS approval
-
Pressure approvals and certificates
PED, CRN
-
Material certificates
3.1 material
-
Hygienic approvals and certificates
3-A, EHEDG, cGMP
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