OC-903 portable gas detector have a high evalution from our distributors and end users, with the good quality and competitive price.  OC-903 with inner pump and pump speed is adjustable with different level, this product with the imported sensor, so response quickly when working. Used for single gas or multi gas detecting, this model have wide application, such as in the industry place, lab, hospital, working place, ect.

The advantage of it maybe is the data logger function, with this the detected data could be upload to the computer, users also could save the data as the EXCEL for data analysis. The capacity is about 100000 groups data. 

Monthly we receive order from our distributor for different gas type, we also provide some technology assistance. Usually we make OEM for them, on products display their company name and logo, this is very good for their marketing development. We also receive some useful suggestions from them ,and we make more improvements, this will be more favorable for our cooperation.