Allred - Model PID-A -Gas Sensor

PID-A 4 series of photoionization (PID) sensors are equipped with 10.6eV ultraviolet lamp. The measured gas enters the ionization chamber of the sensor through natural diffusion or pumping and is ionized by UV light into an ionic state, which is then detected by charged electrode. PID sensor has extremely high sensitivity to low concentration VOC gases and can be used for various handheld, portable, and on-site fixed instruments and meters.