Sensor switch protects equipment and processes
An
Aalborg product story
Edited by the Engineeringtalk editorial team
Sep 21, 2009
Aalborg's optical sensor switch is a non-invasive means for detection of a high or low flow.
This sensor is said to be ideal for signalling an alarm, cut-off valve, or other device when the float passes the detector (alarm, valve and so on not included).
The P-style meter from Aalborg with Optical Sensor Switch.
This helps protect processes and equipment from damage caused by extreme flow rates.
Its compact design and ease-of-operation are said to make it a non-obtrusive simple-to-use addition to a flowmeter.
Aalborg said the sensor switch is ideal for OEM applications.
The product can be used whenever maximum or minimum flow levels need to be monitored automatically.
It can also be used in conjunction with a control relay to power alternate equipment or monitoring devices.
A small LED sensor and receiver are mounted on one side of the flowmeter.
The float inside the flow tube is detected as it passes across the beam of light.
The sensor can be used to detect float passage beyond the setpoint of the sensor, or can also be set to monitor float position at specific level, signalling when float is outside of the range of the sensor light beam.
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