Promag P is dedicated to chemical and process applications with corrosive liquids and highest medium temperatures. With its compact transmitter Promag P 300 offers a high flexibility in terms of operation and system integration: access from one side, remote display and improved connectivity options. Heartbeat Technology ensures compliance and process safety at all times.
● Diverse applications – wide variety of wetted materials
● Energy-saving flow measurement – no pressure loss due to cross-section constriction
● Maintenance-free – no moving parts
● 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
● The bidirectional measuring principle is virtually independent of pressure, density, temperature and viscosity
● Dedicated to chemical and process applications with corrosive liquids and high medium temperatures
Device properties
● Nominal diameter: max. DN 600 (24″)
● All common Ex approvals
● Liner made of PTFE or PFA
● Compact dual-compartment housing with up to 3 I/Os
● Backlit display with touch control and WLAN access
● Remote display available
Product headline
High-temperature flowmeter for process applications with a compact, easily accessible transmitter. Dedicated to chemical and process applications with corrosive liquids and high medium temperatures.
Sensor features
Diverse applications – wide variety of wetted materials. Energy-saving flow measurement – no pressure loss due to cross-section constriction. Maintenance-free – no moving parts. Nominal diameter: max. DN 600 (24″). All common Ex approvals.
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.
Nominal diameter range
DN 15 to 600 (½ to 24″)
Wetted materials
Liner: PFA; PTFE
Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022); Tantalum; Platinum; Titanium; Duplex 1.4462 (UNS S31803)Measured variables
Volume flow, conductivity, mass flow
Max. measurement error
Volume flow (standard): ±0.5 % o.r.± 1 mm/s (0.04 in/s)
Volume flow (option): ±0.2 % o.r. ± 2 mm/s (0.08 in/s)Measuring range
4 dm³/min to 9600 m³/h (1 gal/min to 44 000 gal/min)
Max. process pressure
PN 40, Class 300, 20K
Medium temperature range
Liner material PFA: –20 to +150 °C (–4 to +302 °F)
Liner material PFA high-temperature: –20 to +180 °C (–4 to +356 °F)
Liner material PTFE: –40 to +130 °C (–40 to +266 °F)Ambient temperature range
Flange material carbon steel: –10 to +60 °C (+14 to +140 °F)
Flange material stainless steel: –40 to +60 °C (–40 to +140 °F)Sensor housing material
DN 15 to 300 (½ to 12″”): AlSi10Mg, coated
DN 350 to 600 (14 to 24″”): Carbon steel with protective varnishTransmitter housing material
AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; stainless steel for hygenic transmitter design
Degree of protection
Standard: IP66/67, Type 4X enclosure
Option: IP69Display/Operation
4-line backlit display with touch control (operation from outside)
Configuration via local display and operating tools possible
Remote display availableOutputs
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 outputInputs
Status input
4-20 mA inputDigital 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, EAC
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 traceable verification according to ISO 9001:2008 – Section 7.6 a (TÜV-attestation)Marine approvals and certificates
LR approval
Pressure approvals and certificates
PED, CRN
Material certificates
3.1 material
Hygienic approvals and certificates
ACS, NSF 61