"Rapidox 1100 CF bench mounted methane gas analyser for 0-5%, 0-10%, 0-30% and 0-100% (specify on order) CH4 analysis. With ejector or pump sampling (specify on order) and flashback arrestor. Includes programmable alarm and analogue outputs with datalogging software. Front mounted gas fittings, F, are standard; if you require rear mounted gas fittings, R, please state preference on order (available at same price).; the use of FEP tubing is recommended.Panel mounted version in anodised aluminium 4U X 300mm with rear mounted gas fittings only available at extra cost for pump version.Panel mounted version in anodised aluminium 4U X 300mm with front mounted gas fittings only available at extra cost for ejector version."