the isa series is a non-contact style air catch sensor for applications requiring confirmation of work present for machining operations. due to the construction of the sensor, fluctuations in the supply pressure does not influence operations. the isa series is ip66 rated and is dust proof and drip proof. air catch sensor for work piece detection detection distance: 0.01 to 0.5mm repetition accuracy: 0.01mm or less port size: 1/8 operating pressure: 30 to 200kpa series catalog