JCH-2400-1 Dual-channel atmospheric sampler/air sampler

JCH-2400-2 type two-way constant temperature automatic continuous sampler

JCH-2400-4 type atmospheric/24-hour constant temperature automatic continuous sampler

JCH-120F-1 intelligent TSP sampler/environmental particle sampler

JCH-120F-2 type intelligent TSP sampler/environmental particle

JCH-121F Intelligent Particulate Matter Comprehensive Sampler

JCH-1000 Large flow particle sampler

JCH-1000B Large flow semi-volatile organics sampler

JCH-6120-1 Atmosphere/TSP Comprehensive Sampler

JCH-6130 Comprehensive Atmosphere/Fume/VOCs Sampler

JCH-6120-2 Atmosphere/TSP Comprehensive Sampler

JCH-6120-2 Atmospheric Comprehensive Sampler (Mold Model)