The Endress+Hauser Group

Media center


Your career with Endress+Hauser

Product tools

Contact Information

E-direct Shop

E-direct complements our traditional offering by providing you with a quick, effective way to purchase easy-to-configure, entry-level instrumentation.

E-direct Shop
Heartbeat Technology for level measurement

Heartbeat Technology for level measurement

Taking the pulse of your measurement

There is strong demand for cost-effective and reliable plant operation in the process industry. This requires reliable device diagnosis and fast and easy testing of measuring devices with in-depth test coverage. Endress+Hauser's Heartbeat Technology for Micropilot FMR5x, FMR6x and Levelflex FMP5x level transmitters meets these needs exactly. Heartbeat Technology combines diagnostic, verification and monitoring functions, thus enabling permanent process and device diagnosis with maximum error detection capability, as well as facilitating in-situ testing of measuring devices at reduced cost.


  • Diagnosis: Permanent process and device diagnostic messages ensure reliable processes

  • Verification: Documented in-situ testing enables high levels of plant availability and reduced testing costs

  • Monitoring: Information for predictive maintenance allows optimization of process and maintenance strategies

Reliable processes

The Heartbeat diagnostic function involves continuous self-monitoring of level transmitters and the output of standardized diagnostic messages with instructions. Information on the device condition is therefore available without delay and processed in time, thus enabling a status-oriented maintenance strategy. The status signals are classified in accordance with VDI/VDE 2650 and NAMUR recommendation NE 107 and contain information on the cause of the problem and remedial measures.

Reduced testing costs

With Heartbeat Technology, the correct functioning of level transmitters can now also be verified in situ at any time. A straightforward, guided test procedure means that explicit "Pass/Fail" test results are achieved and documented using an automatically generated test protocol. The test functionality is integrated in the measuring device and is therefore available via all of the operating and system integration interfaces. Access to the level transmitter in the field is therefore not required, thus saving time and ensuring that the function can be easily performed at any time.

Easy proof testing for SIL applications

In the case of processes, auxiliary circuits and protective systems, which require regular testing, Heartbeat Technology offers unique options for reducing testing costs for level transmitters in the FMP5x, FMR6x and FMR5x ranges without having to remove them. Heartbeat Verification involves a straightforward, guided test procedure for proof testing in accordance with SIL (IEC61508/IEC61511). To save time, the test procedure can be applied via the FieldCare or DeviceCare operating software or a DTM-based distributed control system and is documented in an automatically generated protocol.

Predictive maintenance

Level transmitters aren't just about level measurement. The Heartbeat Monitoring function means that additional process and device data can be made available and used to identify trends. Measured variables, such as signal strength, are output by the measuring device via the second current output and can be used to detect foam or buildup, without requiring in-depth knowledge on the part of the user. This information can be used for predictive planning of activities such as cleaning or maintenance.

More information?


Endress+Hauser (Schweiz) AG
Kägenstrasse 2 4153 Reinach Switzerland
Tel.: +41 61 715 7575
Fax: +41 61 715 2775
Send email

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Find out more here close