with regards the Omron D6T-8L-06D6T-8L-06 Proximity Sensor Thermal Sensor . What would be the optimum or maximum/minimun distance to the object or person being detected thanks
For field of view information look at page 4 of the following data sheet:
https://www.omron.com/ecb/products/sensor/special/mems/pdf/AN-D6T-01EN_r2.pdf