Inquiry (采购产品): Model 1-SNR345 We have a 0-100%LFL single gas detector on a HVAC system (alarm and relay to close a damper. Need to replace the malfunction controller. We can't zero or span even with new detector. **** Hidden Message ***** Don Deaville 77530 Company: LyondellBasell E-mail: don.deaville@lyondell.com **** Hidden Message ***** don.deaville@lyondell.com
