Opto sensors detect fluid levels
An
Active Switch and Sensor product story
Edited by the Engineeringtalk editorial team
Jul 29, 2004
The PD31 range of opto fluid level sensors has been extended to eight models, all designed to detect low-viscosity fluids such as water and certain solvents.
The PD31 range of opto fluid level sensors has been extended to eight models, all designed to detect low-viscosity fluids such as water and certain solvents.
Each sensor uses light refraction via an internal infra-red transmitter and special optical lens arrangement to detect the presence of liquids.
The sensor can be used to send a signal to a controller or operate an alarm for control and process systems.
Output can be selected with the model number and offers switched NPN or PNP.
Supply voltage is 12-36V DC and termination is via 2m of three-core cable.
The sensor is manufactured from solid plastic with a 0.375 or 0.5in PF thread and has a HEX28 by 86mm-long body.
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