产品特点：特点：•通过德国TÜV质量认证，符合德国烟气法规BimSchV•多可以测量4种气体成份，可自由组合•交直流供电，电池工作超过8小时•完善

产品描述：The ECA 450 is ideal for professionals concerned about combustion efficiency environmental compliance or both. It enables plant maintenance engineers