K7TM-A2 | OMRON, South Africa

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K7TM-A2

K7TM-A2

Heater resistance monitoring device

The new K7TM condition monitoring device is designed to measure the deterioration trend of heaters used in the automotive, food & commodity industries. K7TM supports predictive maintenance to avoid costly production losses or downtime. The optimal time for maintenance or replacement of the heater is indicated at an early stage.

  • Automatic measurement of the heating resistance during operation for trend analysis of aging
  • Enables condition monitoring both on-site and remotely without the need for site visits
  • Existing devices and systems can be retrofitted very easily on site
  • Support 2 heaters per monitoring unit
  • Capable of measuring up to 600A AC heater current
  • K7TM triggers warnings and alarms when a certain threshold is reached, allowing the user to determine the optimal time to service or replace the heater

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+27 (0)11 579 2600
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Features

Measurement method

K7TM can monitor the health and trend of the heater based on the rate of change of resistance value, allowing it to determine when replacement is required to utilize the remaining lifetime. Downtimes are reduced and maintenance independent of specialists is possible.

Heater resistance value trends

K7TM is able to measure the resistance values independently of these influences by filtering them out of this calculation. In addition, K7TM is able to monitor heater resistance degradation trends by comparing them to historical resistance values when used in the same environment.

Changes in heater temperature and resistance (long term)

Warning and alarm display

Until now, it has been difficult to determine the right time to service and replace heating elements. K7TM can detect deteriorating trends in the rate of change of heater resistance values and trigger alarms when a threshold is reached, the user is able to determine the optimal time for heater maintenance or replacement.
By quantifying heater deterioration and setting the threshold according to the situation, it is possible to maintain heaters independent of human experience.

Simple retrofitting of existing devices

Condition monitoring can be achieved by using a current transformer clamp on the heater power line and connecting voltage leads on each side of the heater.

Acquisition of measurement data remotely via network connections

The K7TM heater condition monitoring device reliably measures the resistance values of heaters and enables monitoring of heating status and trends both on-site and remotely. By collecting the resistance data, the device can detect signs of deterioration and identify heaters that are susceptible to failure.

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