德国Messtechnik Eheim GmbH   
Messtechnik Eheim GmbH 公司是专门生产烟气分析仪器的专业公司，产品既可以测量烟道中的O2、CO、NO、SO2、H2S、CO2等气体的浓度，也能测量温度、压力、压差等气体参数。既生产便携式测量仪器也生产用于在线连续监测的仪器。由于产品具有测量精度高，稳定性好，多种气体同时测量等优点，在烟气分析行业中享有很高的声誉。

Messtechnik EHEIM GmbH was founded to develop a new generation of measuring devices, which reflect our long lasting experience in the area of measurement technology, especially related to exhaust gas analysis.
As a user of our processor controlled measuring devices VISIT you benefit from the latest developments in the computer and sensor technology. All models are manufactured according to severest production regulations and are subject to a permanent quality assurance. Our devices are certified by the Technical Supervisory Association (TÜV) and comply with the European measuring regulations.

On our homepage you can find our proved and tested VISIT-series as well as the most important accessories, which are, by the way, compatible with many standard exhaust gas analysers. VISIT stands for:

Top quality
Easy handling
Perfect service
Fair pricing and
Clean environment