PID Detector 26 November 2019 by ION Science FirstCheck+ Series 4-Gas (O2, %LEL, CO & H2S) PLUS PID VOC Detection (10.6 eV Krypton PID Lamp). Category: Tanpa kategori Description Description ION Science FirstCheck+ Series 4-Gas (O2, %LEL, CO & H2S) PLUS PID VOC Detection (10.6 eV Krypton PID Lamp). Related products SOIL TEST KIT DIGITAL Gas Detector Mini Field Stereoscopic Microscope Stack Dust Sampler