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Proline Promass A 300 for process applications
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Measuring principle
Coriolis
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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. -
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; stainless steel for hygenic transmitter design
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Degree of protection
Compact version: IP66/67, type 4X enclosure.
External WLAN antenna: IP67
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, 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, UK Ex
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Product safety
CE, C-TICK
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Functional safety