Promass S is at the forefront in hygienic design and dedicated to applications in the food and beverage industry requiring optimal cleanability. The self‐drainable single-tube system ensures careful treatment of fluids. With its innovative remote transmitter Promass S 500 maximizes installation flexibility and operational safety in demanding environments. Heartbeat Technology enables process safety at all times.
Measuring principle operates independently of physical fluid properties such as viscosity or density. Dedicated to applications requiring optimal cleanability under hygienic conditions. Easy-to-clean device with self-drainable single-tube system, as remote version with up to 4 I/Os. Dedicated to applications requiring optimal cleanability under hygienic conditions.
DN 8 to 50 (⅜ to 2″)
Measuring tube: 1.4435 (316L)
Connection: 1.4435 (316L); 1.4404 (316/316L)
Mass flow, density, temperature, volume flow, corrected volume flow, reference density, concentration
Mass flow (liquid): ±0.10 %
Volume flow (liquid): ±0.10 %
Density (liquid): ±0.0005 g/cm³
0 to 70 000 kg/h (0 to 2570 lb/min)
PN 40, Class 150, 20K
–50 to +150 °C (–58 to +302 °F)
Standard: –40 to +60 °C (–40 to +140 °F)
Option: –50 to +60 °C (–58 to +140 °F)
1.4301 (304), corrosion resistant
Sensor connection housing (standard): AlSi10Mg, coated
Sensor connection housing (option): 1.4301 (304); 1.4404 (316L)
AlSi10Mg, coated; Polycarbonat
Sensor remote version (standard): IP66/67, type 4X enclosure
Sensor remote version (option): IP69. Transmitter remote version: IP66/67, Type 4X enclosure
4-line backlit display with touch control (operation from outside)
Configuration via local display and operating tools possible
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
Status input
4-20 mA input
HART, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, PROFINET, PROFINET over Ethernet-APL, Ethernet/IP, OPC-UA
DC 24 V
AC 100 to 230 V
AC 100 to 230 V / DC 24 V (non-hazardous area)
ATEX, IECEx, cCSAus, NEPSI, INMETRO, EAC, KC
CE, C-tick, EAC marking
Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
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)
PED, CRN
3.1 material
3-A, EHEDG, cGMP
Increased process safety – easily cleanable and fully self-drainable tube design. Fewer process measuring points – multivariable measurement (flow, density, temperature). Space‐saving installation – no in-/outlet run needs. Large range of hygienic process connections. 3-A and EHEDG conform. Fast recovery from CIP/SIP.
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; hygienic sensor connection housing with IP69. Backlit display with touch control and WLAN access. Standard cable between sensor and transmitter.