The LHL, LHI meets or exceeds factory Mutual (FM) Approval Standard temperature Limit Switches Class 3545.
They are designed to automatically shut down a process when the measured value exceeds a pre-programmed value.
Alarm masking:
Puts the alarms in the stand by condition (mask) during instrument power up or masks a deviation or band alarm if the alarm condition is a
result of a set point change. In both situations the instrument maintains the alarm masking for the duration of the alarm condition.
Logic input:
These instruments are equipped with a logic input used to acknowledge an alarm condition by an external contact.
Maximum and/or minimum data hold:
The LHI is able to memorize the maximum and the minimum measured value. This function is automatically enabled at instrument power up
and it is always active.
Power supply failure indication:
These instruments are able to signal if a power failure occurs during normal instrument operation.
Power fail recovery settings are user configurable.
