The Haffmans Portable Optical O2 / TPO Meter o-DGM combines high accuracy with excellent measurement stability. This optical O2 measurement technology is greatly improved compared to the traditional O2 measuring instruments. Frequent calibration of the O2 measurement is not required.
Please be aware that there is 10 business days lead time on this product.
Datasheets
Technical Datasheet: Click HERE to view & download
This provides the detailed information you need to use the product; detailing the benefits, where to use it, how to use it and the dose required.